Rename Real* to Double* in values.* and dependent files

BUG=None
TEST=Compiles and passes all tests

Review URL: http://codereview.chromium.org/6248026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@73232 0039d316-1c4b-4281-b951-d872f2087c98

54 files changed, 224 insertions, 220 deletions

diff --git a/chrome/browser/autofill/autofill_download.cc b/chrome/browser/autofill/autofill_download.cc
index 0c35a74..f2011ef 100644
--- a/chrome/browser/autofill/autofill_download.cc
+++ b/chrome/browser/autofill/autofill_download.cc
@@ -54,9 +54,9 @@ AutoFillDownloadManager::AutoFillDownloadManager(Profile* profile)
   if (profile_) {
     PrefService* preferences = profile_->GetPrefs();
     positive_upload_rate_ =
-        preferences->GetReal(prefs::kAutoFillPositiveUploadRate);
+        preferences->GetDouble(prefs::kAutoFillPositiveUploadRate);
     negative_upload_rate_ =
-        preferences->GetReal(prefs::kAutoFillNegativeUploadRate);
+        preferences->GetDouble(prefs::kAutoFillNegativeUploadRate);
   }
 }
 
@@ -165,7 +165,7 @@ void AutoFillDownloadManager::SetPositiveUploadRate(double rate) {
   DCHECK_LE(rate, 1.0);
   DCHECK(profile_);
   PrefService* preferences = profile_->GetPrefs();
-  preferences->SetReal(prefs::kAutoFillPositiveUploadRate, rate);
+  preferences->SetDouble(prefs::kAutoFillPositiveUploadRate, rate);
 }
 
 void AutoFillDownloadManager::SetNegativeUploadRate(double rate) {
@@ -176,7 +176,7 @@ void AutoFillDownloadManager::SetNegativeUploadRate(double rate) {
   DCHECK_LE(rate, 1.0);
   DCHECK(profile_);
   PrefService* preferences = profile_->GetPrefs();
-  preferences->SetReal(prefs::kAutoFillNegativeUploadRate, rate);
+  preferences->SetDouble(prefs::kAutoFillNegativeUploadRate, rate);
 }
 
 bool AutoFillDownloadManager::StartRequest(
diff --git a/chrome/browser/autofill/autofill_manager.cc b/chrome/browser/autofill/autofill_manager.cc
index ed73429..84af836 100644
--- a/chrome/browser/autofill/autofill_manager.cc
+++ b/chrome/browser/autofill/autofill_manager.cc
@@ -165,10 +165,10 @@ void AutoFillManager::RegisterUserPrefs(PrefService* prefs) {
 #else
   prefs->RegisterBooleanPref(prefs::kAutoFillAuxiliaryProfilesEnabled, false);
 #endif
-  prefs->RegisterRealPref(prefs::kAutoFillPositiveUploadRate,
-                          kAutoFillPositiveUploadRateDefaultValue);
-  prefs->RegisterRealPref(prefs::kAutoFillNegativeUploadRate,
-                          kAutoFillNegativeUploadRateDefaultValue);
+  prefs->RegisterDoublePref(prefs::kAutoFillPositiveUploadRate,
+                            kAutoFillPositiveUploadRateDefaultValue);
+  prefs->RegisterDoublePref(prefs::kAutoFillNegativeUploadRate,
+                            kAutoFillNegativeUploadRateDefaultValue);
 }
 
 void AutoFillManager::DidNavigateMainFramePostCommit(
diff --git a/chrome/browser/automation/automation_provider_observers.cc b/chrome/browser/automation/automation_provider_observers.cc
index cba209c..f496a7a 100644
--- a/chrome/browser/automation/automation_provider_observers.cc
+++ b/chrome/browser/automation/automation_provider_observers.cc
@@ -130,12 +130,12 @@ DictionaryValue* InitialLoadObserver::GetTimingInformation() const {
     DictionaryValue* item = new DictionaryValue;
     base::TimeDelta delta_start = it->second.start_time() - init_time_;
 
-    item->SetReal("load_start_ms", delta_start.InMillisecondsF());
+    item->SetDouble("load_start_ms", delta_start.InMillisecondsF());
     if (it->second.stop_time().is_null()) {
       item->Set("load_stop_ms", Value::CreateNullValue());
     } else {
       base::TimeDelta delta_stop = it->second.stop_time() - init_time_;
-      item->SetReal("load_stop_ms", delta_stop.InMillisecondsF());
+      item->SetDouble("load_stop_ms", delta_stop.InMillisecondsF());
     }
     items->Append(item);
   }
@@ -1250,8 +1250,8 @@ void AutomationProviderHistoryObserver::HistoryQueryComplete(
     history::URLResult const &page = (*results)[i];
     page_value->SetString("title", page.title());
     page_value->SetString("url", page.url().spec());
-    page_value->SetReal("time",
-                        static_cast<double>(page.visit_time().ToDoubleT()));
+    page_value->SetDouble("time",
+                          static_cast<double>(page.visit_time().ToDoubleT()));
     page_value->SetString("snippet", page.snippet().text());
     page_value->SetBoolean(
         "starred",
@@ -1284,7 +1284,7 @@ void AutomationProviderGetPasswordsObserver::OnPasswordStoreRequestDone(
     password_val->SetString("username_value", password_form->username_value);
     password_val->SetString("password_value", password_form->password_value);
     password_val->SetString("signon_realm", password_form->signon_realm);
-    password_val->SetReal(
+    password_val->SetDouble(
         "time", static_cast<double>(password_form->date_created.ToDoubleT()));
     password_val->SetString("origin_url", password_form->origin.spec());
     password_val->SetString("username_element",
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 9c2e9a1..04709ff 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -2502,7 +2502,7 @@ void TestingAutomationProvider::AddHistoryItem(Browser* browser,
   double dt;
   if (item->GetInteger("time", &it))
     time = base::Time::FromTimeT(it);
-  else if (item->GetReal("time", &dt))
+  else if (item->GetDouble("time", &dt))
     time = base::Time::FromDoubleT(dt);
 
   // Ideas for "dummy" values (e.g. id_scope) came from
@@ -3157,7 +3157,7 @@ webkit_glue::PasswordForm GetPasswordFormFromDict(
   double dt;
   if (password_dict.GetInteger("time", &it))
     time = base::Time::FromTimeT(it);
-  else if (password_dict.GetReal("time", &dt))
+  else if (password_dict.GetDouble("time", &dt))
     time = base::Time::FromDoubleT(dt);
 
   std::string signon_realm;
diff --git a/chrome/browser/chromeos/audio_mixer_alsa.cc b/chrome/browser/chromeos/audio_mixer_alsa.cc
index be2959b..5704cac 100644
--- a/chrome/browser/chromeos/audio_mixer_alsa.cc
+++ b/chrome/browser/chromeos/audio_mixer_alsa.cc
@@ -168,7 +168,7 @@ AudioMixer::State AudioMixerAlsa::GetState() const {
 // static
 void AudioMixerAlsa::RegisterPrefs(PrefService* local_state) {
   if (!local_state->FindPreference(prefs::kAudioVolume))
-    local_state->RegisterRealPref(prefs::kAudioVolume, kPrefVolumeInvalid);
+    local_state->RegisterDoublePref(prefs::kAudioVolume, kPrefVolumeInvalid);
   if (!local_state->FindPreference(prefs::kAudioMute))
     local_state->RegisterIntegerPref(prefs::kAudioMute, kPrefMuteInvalid);
 }
diff --git a/chrome/browser/chromeos/audio_mixer_alsa.h b/chrome/browser/chromeos/audio_mixer_alsa.h
index 56010de..3cbe7ac 100644
--- a/chrome/browser/chromeos/audio_mixer_alsa.h
+++ b/chrome/browser/chromeos/audio_mixer_alsa.h
@@ -97,7 +97,7 @@ class AudioMixerAlsa : public AudioMixer {
   _snd_mixer_elem* elem_pcm_;
 
   IntegerPrefMember mute_pref_;
-  RealPrefMember volume_pref_;
+  DoublePrefMember volume_pref_;
 
   scoped_ptr<base::Thread> thread_;
 
diff --git a/chrome/browser/chromeos/cros_settings.cc b/chrome/browser/chromeos/cros_settings.cc
index 59cdb4d..419479b 100644
--- a/chrome/browser/chromeos/cros_settings.cc
+++ b/chrome/browser/chromeos/cros_settings.cc
@@ -63,9 +63,9 @@ void CrosSettings::SetInteger(const std::string& path, int in_value) {
   Set(path, Value::CreateIntegerValue(in_value));
 }
 
-void CrosSettings::SetReal(const std::string& path, double in_value) {
+void CrosSettings::SetDouble(const std::string& path, double in_value) {
   DCHECK(CalledOnValidThread());
-  Set(path, Value::CreateRealValue(in_value));
+  Set(path, Value::CreateDoubleValue(in_value));
 }
 
 void CrosSettings::SetString(const std::string& path,
@@ -181,14 +181,14 @@ bool CrosSettings::GetInteger(const std::string& path,
   return value->GetAsInteger(out_value);
 }
 
-bool CrosSettings::GetReal(const std::string& path,
-                           double* out_value) const {
+bool CrosSettings::GetDouble(const std::string& path,
+                             double* out_value) const {
   DCHECK(CalledOnValidThread());
   Value* value;
   if (!Get(path, &value))
     return false;
 
-  return value->GetAsReal(out_value);
+  return value->GetAsDouble(out_value);
 }
 
 bool CrosSettings::GetString(const std::string& path,
diff --git a/chrome/browser/chromeos/cros_settings.h b/chrome/browser/chromeos/cros_settings.h
index c8446c5..fe7a7e7 100644
--- a/chrome/browser/chromeos/cros_settings.h
+++ b/chrome/browser/chromeos/cros_settings.h
@@ -50,7 +50,7 @@ class CrosSettings : public base::NonThreadSafe {
   // value at that path, even if it has a different type.
   void SetBoolean(const std::string& path, bool in_value);
   void SetInteger(const std::string& path, int in_value);
-  void SetReal(const std::string& path, double in_value);
+  void SetDouble(const std::string& path, double in_value);
   void SetString(const std::string& path, const std::string& in_value);
 
   // These are convenience forms of Get().  The value will be retrieved
@@ -58,7 +58,7 @@ class CrosSettings : public base::NonThreadSafe {
   // the end of the path can be returned in the form specified.
   bool GetBoolean(const std::string& path, bool* out_value) const;
   bool GetInteger(const std::string& path, int* out_value) const;
-  bool GetReal(const std::string& path, double* out_value) const;
+  bool GetDouble(const std::string& path, double* out_value) const;
   bool GetString(const std::string& path, std::string* out_value) const;
 
   // adding/removing of providers
diff --git a/chrome/browser/dom_ui/foreign_session_handler.cc b/chrome/browser/dom_ui/foreign_session_handler.cc
index c31772d..eaf378a 100644
--- a/chrome/browser/dom_ui/foreign_session_handler.cc
+++ b/chrome/browser/dom_ui/foreign_session_handler.cc
@@ -210,8 +210,8 @@ bool ForeignSessionHandler::SessionTabToValue(
   NewTabUI::SetURLTitleAndDirection(dictionary, current_navigation.title(),
                                     current_navigation.virtual_url());
   dictionary->SetString("type", "tab");
-  dictionary->SetReal("timestamp",
-                      static_cast<double>(tab.timestamp.ToInternalValue()));
+  dictionary->SetDouble("timestamp",
+                        static_cast<double>(tab.timestamp.ToInternalValue()));
   dictionary->SetInteger("sessionId", tab.tab_id.id());
   return true;
 }
@@ -232,8 +232,8 @@ bool ForeignSessionHandler::SessionWindowToValue(
   if (tab_values->GetSize() == 0)
     return false;
   dictionary->SetString("type", "window");
-  dictionary->SetReal("timestamp",
-                      static_cast<double>(window.timestamp.ToInternalValue()));
+  dictionary->SetDouble("timestamp",
+      static_cast<double>(window.timestamp.ToInternalValue()));
   dictionary->SetInteger("sessionId", window.window_id.id());
   dictionary->Set("tabs", tab_values.release());
   return true;
diff --git a/chrome/browser/dom_ui/ntp_resource_cache.cc b/chrome/browser/dom_ui/ntp_resource_cache.cc
index b57fb98..61c92fb 100644
--- a/chrome/browser/dom_ui/ntp_resource_cache.cc
+++ b/chrome/browser/dom_ui/ntp_resource_cache.cc
@@ -368,8 +368,8 @@ void NTPResourceCache::CreateNewTabHTML() {
   if (profile_->GetPrefs()->FindPreference(prefs::kNTPCustomLogoStart) &&
       profile_->GetPrefs()->FindPreference(prefs::kNTPCustomLogoEnd)) {
     localized_strings.SetString("customlogo",
-        InDateRange(profile_->GetPrefs()->GetReal(prefs::kNTPCustomLogoStart),
-                    profile_->GetPrefs()->GetReal(prefs::kNTPCustomLogoEnd)) ?
+        InDateRange(profile_->GetPrefs()->GetDouble(prefs::kNTPCustomLogoStart),
+                    profile_->GetPrefs()->GetDouble(prefs::kNTPCustomLogoEnd)) ?
         "true" : "false");
   } else {
     localized_strings.SetString("customlogo", "false");
@@ -382,8 +382,8 @@ void NTPResourceCache::CreateNewTabHTML() {
       profile_->GetPrefs()->FindPreference(prefs::kNTPPromoLine) &&
       WebResourceServiceUtil::CanShowPromo(profile_)) {
     localized_strings.SetString("serverpromo",
-        InDateRange(profile_->GetPrefs()->GetReal(prefs::kNTPPromoStart),
-                    profile_->GetPrefs()->GetReal(prefs::kNTPPromoEnd)) ?
+        InDateRange(profile_->GetPrefs()->GetDouble(prefs::kNTPPromoStart),
+                    profile_->GetPrefs()->GetDouble(prefs::kNTPPromoEnd)) ?
                     profile_->GetPrefs()->GetString(prefs::kNTPPromoLine) :
                                                     std::string());
   }
diff --git a/chrome/browser/dom_ui/options/core_options_handler.cc b/chrome/browser/dom_ui/options/core_options_handler.cc
index 15a61a5..983572a 100644
--- a/chrome/browser/dom_ui/options/core_options_handler.cc
+++ b/chrome/browser/dom_ui/options/core_options_handler.cc
@@ -132,8 +132,8 @@ void CoreOptionsHandler::RegisterMessages() {
       NewCallback(this, &CoreOptionsHandler::HandleSetBooleanPref));
   dom_ui_->RegisterMessageCallback("setIntegerPref",
       NewCallback(this, &CoreOptionsHandler::HandleSetIntegerPref));
-  dom_ui_->RegisterMessageCallback("setRealPref",
-      NewCallback(this, &CoreOptionsHandler::HandleSetRealPref));
+  dom_ui_->RegisterMessageCallback("setDoublePref",
+      NewCallback(this, &CoreOptionsHandler::HandleSetDoublePref));
   dom_ui_->RegisterMessageCallback("setStringPref",
       NewCallback(this, &CoreOptionsHandler::HandleSetStringPref));
   dom_ui_->RegisterMessageCallback("setObjectPref",
@@ -188,10 +188,10 @@ void CoreOptionsHandler::SetPref(const std::string& pref_name,
 
       break;
 
-    case Value::TYPE_REAL:
+    case Value::TYPE_DOUBLE:
       double double_value;
       CHECK(base::StringToDouble(value_string, &double_value));
-      pref_service->SetReal(pref_name.c_str(), double_value);
+      pref_service->SetDouble(pref_name.c_str(), double_value);
 
       break;
 
@@ -309,8 +309,8 @@ void CoreOptionsHandler::HandleSetIntegerPref(const ListValue* args) {
   HandleSetPref(args, Value::TYPE_INTEGER);
 }
 
-void CoreOptionsHandler::HandleSetRealPref(const ListValue* args) {
-  HandleSetPref(args, Value::TYPE_REAL);
+void CoreOptionsHandler::HandleSetDoublePref(const ListValue* args) {
+  HandleSetPref(args, Value::TYPE_DOUBLE);
 }
 
 void CoreOptionsHandler::HandleSetStringPref(const ListValue* args) {
diff --git a/chrome/browser/dom_ui/options/core_options_handler.h b/chrome/browser/dom_ui/options/core_options_handler.h
index cece8ae..75d1855 100644
--- a/chrome/browser/dom_ui/options/core_options_handler.h
+++ b/chrome/browser/dom_ui/options/core_options_handler.h
@@ -83,7 +83,7 @@ class CoreOptionsHandler : public OptionsPageUIHandler {
   //  item 2 - name of the metric identifier (optional).
   void HandleSetBooleanPref(const ListValue* args);
   void HandleSetIntegerPref(const ListValue* args);
-  void HandleSetRealPref(const ListValue* args);
+  void HandleSetDoublePref(const ListValue* args);
   void HandleSetStringPref(const ListValue* args);
   void HandleSetObjectPref(const ListValue* args);
 
diff --git a/chrome/browser/dom_ui/shown_sections_handler.cc b/chrome/browser/dom_ui/shown_sections_handler.cc
index a1bcbf6..8df69fb 100644
--- a/chrome/browser/dom_ui/shown_sections_handler.cc
+++ b/chrome/browser/dom_ui/shown_sections_handler.cc
@@ -92,7 +92,7 @@ void ShownSectionsHandler::HandleGetShownSections(const ListValue* args) {
 
 void ShownSectionsHandler::HandleSetShownSections(const ListValue* args) {
   double mode_double;
-  CHECK(args->GetReal(0, &mode_double));
+  CHECK(args->GetDouble(0, &mode_double));
   int mode = static_cast<int>(mode_double);
   int old_mode = pref_service_->GetInteger(prefs::kNTPShownSections);
 
diff --git a/chrome/browser/dom_ui/value_helper.cc b/chrome/browser/dom_ui/value_helper.cc
index 92bee3c..93c1137 100644
--- a/chrome/browser/dom_ui/value_helper.cc
+++ b/chrome/browser/dom_ui/value_helper.cc
@@ -20,7 +20,7 @@ bool ValueHelper::TabToValue(
   NewTabUI::SetURLTitleAndDirection(dictionary, current_navigation.title(),
                                     current_navigation.virtual_url());
   dictionary->SetString("type", "tab");
-  dictionary->SetReal("timestamp", tab.timestamp.ToDoubleT());
+  dictionary->SetDouble("timestamp", tab.timestamp.ToDoubleT());
   return true;
 }
 
@@ -40,7 +40,7 @@ bool ValueHelper::WindowToValue(
   if (tab_values->GetSize() == 0)
     return false;
   dictionary->SetString("type", "window");
-  dictionary->SetReal("timestamp", window.timestamp.ToDoubleT());
+  dictionary->SetDouble("timestamp", window.timestamp.ToDoubleT());
   dictionary->Set("tabs", tab_values.release());
   return true;
 }
diff --git a/chrome/browser/extensions/extension_bookmark_helpers.cc b/chrome/browser/extensions/extension_bookmark_helpers.cc
index ad7cbb0..a48a12c 100644
--- a/chrome/browser/extensions/extension_bookmark_helpers.cc
+++ b/chrome/browser/extensions/extension_bookmark_helpers.cc
@@ -33,15 +33,15 @@ DictionaryValue* GetNodeDictionary(const BookmarkNode* node,
     // seconds.
     base::Time t = node->date_group_modified();
     if (!t.is_null())
-      dict->SetReal(keys::kDateGroupModifiedKey, floor(t.ToDoubleT() * 1000));
+      dict->SetDouble(keys::kDateGroupModifiedKey, floor(t.ToDoubleT() * 1000));
   }
 
   dict->SetString(keys::kTitleKey, node->GetTitle());
   if (!node->date_added().is_null()) {
     // Javascript Date wants milliseconds since the epoch, ToDoubleT is
     // seconds.
-    dict->SetReal(keys::kDateAddedKey,
-                  floor(node->date_added().ToDoubleT() * 1000));
+    dict->SetDouble(keys::kDateAddedKey,
+                    floor(node->date_added().ToDoubleT() * 1000));
   }
 
   if (recurse && node->is_folder()) {
diff --git a/chrome/browser/extensions/extension_cookies_api.cc b/chrome/browser/extensions/extension_cookies_api.cc
index 0f61602..04d5600 100644
--- a/chrome/browser/extensions/extension_cookies_api.cc
+++ b/chrome/browser/extensions/extension_cookies_api.cc
@@ -312,7 +312,7 @@ bool SetCookieFunction::RunImpl() {
       expiration_date = static_cast<double>(expiration_date_int);
     } else {
       EXTENSION_FUNCTION_VALIDATE(
-          expiration_date_value->GetAsReal(&expiration_date));
+          expiration_date_value->GetAsDouble(&expiration_date));
     }
     // Time::FromDoubleT converts double time 0 to empty Time object. So we need
     // to do special handling here.
diff --git a/chrome/browser/extensions/extension_cookies_helpers.cc b/chrome/browser/extensions/extension_cookies_helpers.cc
index 42e2fae..418eb97 100644
--- a/chrome/browser/extensions/extension_cookies_helpers.cc
+++ b/chrome/browser/extensions/extension_cookies_helpers.cc
@@ -59,8 +59,10 @@ DictionaryValue* CreateCookieValue(
   result->SetBoolean(keys::kSecureKey, cookie.IsSecure());
   result->SetBoolean(keys::kHttpOnlyKey, cookie.IsHttpOnly());
   result->SetBoolean(keys::kSessionKey, !cookie.DoesExpire());
-  if (cookie.DoesExpire())
-    result->SetReal(keys::kExpirationDateKey, cookie.ExpiryDate().ToDoubleT());
+  if (cookie.DoesExpire()) {
+    result->SetDouble(keys::kExpirationDateKey,
+                      cookie.ExpiryDate().ToDoubleT());
+  }
   result->SetString(keys::kStoreIdKey, store_id);
 
   return result;
diff --git a/chrome/browser/extensions/extension_cookies_unittest.cc b/chrome/browser/extensions/extension_cookies_unittest.cc
index 2aa34a3..2063c4f 100644
--- a/chrome/browser/extensions/extension_cookies_unittest.cc
+++ b/chrome/browser/extensions/extension_cookies_unittest.cc
@@ -130,7 +130,7 @@ TEST_F(ExtensionCookiesTest, ExtensionTypeCreation) {
   EXPECT_TRUE(cookie_value1->GetBoolean(keys::kSessionKey, &boolean_value));
   EXPECT_TRUE(boolean_value);
   EXPECT_FALSE(
-      cookie_value1->GetReal(keys::kExpirationDateKey, &double_value));
+      cookie_value1->GetDouble(keys::kExpirationDateKey, &double_value));
   EXPECT_TRUE(cookie_value1->GetString(keys::kStoreIdKey, &string_value));
   EXPECT_EQ("some cookie store", string_value);
 
@@ -144,7 +144,8 @@ TEST_F(ExtensionCookiesTest, ExtensionTypeCreation) {
   EXPECT_FALSE(boolean_value);
   EXPECT_TRUE(cookie_value2->GetBoolean(keys::kSessionKey, &boolean_value));
   EXPECT_FALSE(boolean_value);
-  EXPECT_TRUE(cookie_value2->GetReal(keys::kExpirationDateKey, &double_value));
+  EXPECT_TRUE(
+      cookie_value2->GetDouble(keys::kExpirationDateKey, &double_value));
   EXPECT_EQ(10000, double_value);
 
   TestingProfile profile;
diff --git a/chrome/browser/extensions/extension_history_api.cc b/chrome/browser/extensions/extension_history_api.cc
index 5ff98e3..65bef38 100644
--- a/chrome/browser/extensions/extension_history_api.cc
+++ b/chrome/browser/extensions/extension_history_api.cc
@@ -31,7 +31,8 @@ void GetHistoryItemDictionary(const history::URLRow& row,
   value->SetString(keys::kIdKey, base::Int64ToString(row.id()));
   value->SetString(keys::kUrlKey, row.url().spec());
   value->SetString(keys::kTitleKey, row.title());
-  value->SetReal(keys::kLastVisitdKey, MilliSecondsFromTime(row.last_visit()));
+  value->SetDouble(keys::kLastVisitdKey,
+                   MilliSecondsFromTime(row.last_visit()));
   value->SetInteger(keys::kTypedCountKey, row.typed_count());
   value->SetInteger(keys::kVisitCountKey, row.visit_count());
 }
@@ -46,7 +47,7 @@ void GetVisitInfoDictionary(const history::VisitRow& row,
                             DictionaryValue* value) {
   value->SetString(keys::kIdKey, base::Int64ToString(row.url_id));
   value->SetString(keys::kVisitId, base::Int64ToString(row.visit_id));
-  value->SetReal(keys::kVisitTime, MilliSecondsFromTime(row.visit_time));
+  value->SetDouble(keys::kVisitTime, MilliSecondsFromTime(row.visit_time));
   value->SetString(keys::kReferringVisitId,
                    base::Int64ToString(row.referring_visit));
 
@@ -175,7 +176,7 @@ bool HistoryFunction::GetUrlFromValue(Value* value, GURL* url) {
 
 bool HistoryFunction::GetTimeFromValue(Value* value, base::Time* time) {
   double ms_from_epoch = 0.0;
-  if (!value->GetAsReal(&ms_from_epoch)) {
+  if (!value->GetAsDouble(&ms_from_epoch)) {
     int ms_from_epoch_as_int = 0;
     if (!value->GetAsInteger(&ms_from_epoch_as_int))
       return false;
diff --git a/chrome/browser/extensions/extension_processes_api.cc b/chrome/browser/extensions/extension_processes_api.cc
index 5edc2f0..c4a5dd7 100644
--- a/chrome/browser/extensions/extension_processes_api.cc
+++ b/chrome/browser/extensions/extension_processes_api.cc
@@ -35,10 +35,10 @@ DictionaryValue* CreateProcessValue(int process_id,
   DictionaryValue* result = new DictionaryValue();
   result->SetInteger(keys::kIdKey, process_id);
   result->SetString(keys::kTypeKey, type);
-  result->SetReal(keys::kCpuKey, cpu);
-  result->SetReal(keys::kNetworkKey, static_cast<double>(net));
-  result->SetReal(keys::kPrivateMemoryKey, static_cast<double>(pr_mem));
-  result->SetReal(keys::kSharedMemoryKey, static_cast<double>(sh_mem));
+  result->SetDouble(keys::kCpuKey, cpu);
+  result->SetDouble(keys::kNetworkKey, static_cast<double>(net));
+  result->SetDouble(keys::kPrivateMemoryKey, static_cast<double>(pr_mem));
+  result->SetDouble(keys::kSharedMemoryKey, static_cast<double>(sh_mem));
   return result;
 }
 
diff --git a/chrome/browser/extensions/extension_tts_api_util.cc b/chrome/browser/extensions/extension_tts_api_util.cc
index b3ef18c..b630387 100644
--- a/chrome/browser/extensions/extension_tts_api_util.cc
+++ b/chrome/browser/extensions/extension_tts_api_util.cc
@@ -27,8 +27,8 @@ bool ReadNumberByKey(DictionaryValue* dict,
     if (!dict->GetInteger(key, &int_value))
       return false;
     *ret_value = int_value;
-  } else if (value->IsType(Value::TYPE_REAL)) {
-    if (!dict->GetReal(key, ret_value))
+  } else if (value->IsType(Value::TYPE_DOUBLE)) {
+    if (!dict->GetDouble(key, ret_value))
       return false;
   } else {
     return false;
diff --git a/chrome/browser/extensions/extension_webnavigation_api.cc b/chrome/browser/extensions/extension_webnavigation_api.cc
index dd755e3..0a4db21 100644
--- a/chrome/browser/extensions/extension_webnavigation_api.cc
+++ b/chrome/browser/extensions/extension_webnavigation_api.cc
@@ -196,7 +196,7 @@ void ExtensionWebNavigationEventRouter::FrameProvisionalLoadStart(
   dict->SetString(keys::kUrlKey, details->url().spec());
   dict->SetInteger(keys::kFrameIdKey, GetFrameId(details));
   dict->SetInteger(keys::kRequestIdKey, 0);
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
@@ -221,7 +221,7 @@ void ExtensionWebNavigationEventRouter::FrameProvisionalLoadCommitted(
   dict->SetString(keys::kTransitionQualifiersKey,
                   PageTransition::QualifierString(
                       details->transition_type()));
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
@@ -241,7 +241,7 @@ void ExtensionWebNavigationEventRouter::FrameDomContentLoaded(
   dict->SetString(keys::kUrlKey, navigation_state_.GetUrl(frame_id).spec());
   dict->SetInteger(keys::kFrameIdKey,
       navigation_state_.IsMainFrame(frame_id) ? 0 : static_cast<int>(frame_id));
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
@@ -261,7 +261,7 @@ void ExtensionWebNavigationEventRouter::FrameDidFinishLoad(
   dict->SetString(keys::kUrlKey, navigation_state_.GetUrl(frame_id).spec());
   dict->SetInteger(keys::kFrameIdKey,
       navigation_state_.IsMainFrame(frame_id) ? 0 : static_cast<int>(frame_id));
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
@@ -282,7 +282,7 @@ void ExtensionWebNavigationEventRouter::FailProvisionalLoadWithError(
   dict->SetInteger(keys::kFrameIdKey, GetFrameId(details));
   dict->SetString(keys::kErrorKey,
                   std::string(net::ErrorToString(details->error_code())));
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
@@ -301,7 +301,7 @@ void ExtensionWebNavigationEventRouter::CreatingNewWindow(
   dict->SetString(keys::kSourceUrlKey, details->opener_url.spec());
   dict->SetString(keys::kTargetUrlKey,
                   details->target_url.possibly_invalid_spec());
-  dict->SetReal(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
+  dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
diff --git a/chrome/browser/geolocation/network_location_request.cc b/chrome/browser/geolocation/network_location_request.cc
index 5edade1..928d621 100644
--- a/chrome/browser/geolocation/network_location_request.cc
+++ b/chrome/browser/geolocation/network_location_request.cc
@@ -282,7 +282,7 @@ bool GetAsDouble(const DictionaryValue& object,
     *out = value_as_int;
     return true;
   }
-  return value->GetAsReal(out);
+  return value->GetAsDouble(out);
 }
 
 bool ParseServerResponse(const std::string& response_body,
diff --git a/chrome/browser/host_zoom_map.cc b/chrome/browser/host_zoom_map.cc
index 598450e..3dc257b 100644
--- a/chrome/browser/host_zoom_map.cc
+++ b/chrome/browser/host_zoom_map.cc
@@ -30,7 +30,7 @@ HostZoomMap::HostZoomMap(Profile* profile)
       updating_preferences_(false) {
   Load();
   default_zoom_level_ =
-      profile_->GetPrefs()->GetReal(prefs::kDefaultZoomLevel);
+      profile_->GetPrefs()->GetDouble(prefs::kDefaultZoomLevel);
   registrar_.Add(this, NotificationType::PROFILE_DESTROYED,
                  Source<Profile>(profile));
   // Don't observe pref changes (e.g. from sync) in Incognito; once we create
@@ -62,7 +62,7 @@ void HostZoomMap::Load() {
       const std::string& host(*i);
       double zoom_level = 0;
 
-      bool success = host_zoom_dictionary->GetRealWithoutPathExpansion(
+      bool success = host_zoom_dictionary->GetDoubleWithoutPathExpansion(
           host, &zoom_level);
       if (!success) {
         // The data used to be stored as ints, so try that.
@@ -133,7 +133,7 @@ void HostZoomMap::SetZoomLevel(const GURL& url, double level) {
       host_zoom_dictionary->RemoveWithoutPathExpansion(host, NULL);
     } else {
       host_zoom_dictionary->SetWithoutPathExpansion(
-          host, Value::CreateRealValue(level));
+          host, Value::CreateDoubleValue(level));
     }
   }
   updating_preferences_ = false;
@@ -245,7 +245,7 @@ void HostZoomMap::Observe(
           Load();
         else if (prefs::kDefaultZoomLevel == *name) {
           default_zoom_level_ =
-              profile_->GetPrefs()->GetReal(prefs::kDefaultZoomLevel);
+              profile_->GetPrefs()->GetDouble(prefs::kDefaultZoomLevel);
         }
       }
       break;
diff --git a/chrome/browser/host_zoom_map_unittest.cc b/chrome/browser/host_zoom_map_unittest.cc
index 73f37d6..82e0e58 100644
--- a/chrome/browser/host_zoom_map_unittest.cc
+++ b/chrome/browser/host_zoom_map_unittest.cc
@@ -64,7 +64,7 @@ TEST_F(HostZoomMapTest, LoadNoPrefs) {
 TEST_F(HostZoomMapTest, Load) {
   DictionaryValue* dict =
       prefs_->GetMutableDictionary(prefs::kPerHostZoomLevels);
-  dict->SetWithoutPathExpansion(host_, Value::CreateRealValue(kZoomLevel));
+  dict->SetWithoutPathExpansion(host_, Value::CreateDoubleValue(kZoomLevel));
   scoped_refptr<HostZoomMap> map(new HostZoomMap(&profile_));
   EXPECT_EQ(kZoomLevel, map->GetZoomLevel(url_));
 }
@@ -80,7 +80,7 @@ TEST_F(HostZoomMapTest, SetZoomLevel) {
   const DictionaryValue* dict =
       prefs_->GetDictionary(prefs::kPerHostZoomLevels);
   double zoom_level = 0;
-  EXPECT_TRUE(dict->GetRealWithoutPathExpansion(host_, &zoom_level));
+  EXPECT_TRUE(dict->GetDoubleWithoutPathExpansion(host_, &zoom_level));
   EXPECT_EQ(kZoomLevel, zoom_level);
 
   SetPrefObserverExpectation();
@@ -109,7 +109,7 @@ TEST_F(HostZoomMapTest, ReloadOnPrefChange) {
   map->SetZoomLevel(url_, kZoomLevel);
 
   DictionaryValue dict;
-  dict.SetWithoutPathExpansion(host_, Value::CreateRealValue(0));
+  dict.SetWithoutPathExpansion(host_, Value::CreateDoubleValue(0));
   prefs_->Set(prefs::kPerHostZoomLevels, dict);
   EXPECT_EQ(0, map->GetZoomLevel(url_));
 }
diff --git a/chrome/browser/net/predictor_unittest.cc b/chrome/browser/net/predictor_unittest.cc
index bbc798e..2dbcc4e 100644
--- a/chrome/browser/net/predictor_unittest.cc
+++ b/chrome/browser/net/predictor_unittest.cc
@@ -339,7 +339,7 @@ static bool GetDataFromSerialization(const GURL& motivation,
   for (size_t i = 0; i < subresource_list->GetSize();) {
     std::string url_spec;
     EXPECT_TRUE(subresource_list->GetString(i++, &url_spec));
-    EXPECT_TRUE(subresource_list->GetReal(i++, use_rate));
+    EXPECT_TRUE(subresource_list->GetDouble(i++, use_rate));
     if (subresource == GURL(url_spec)) {
       return true;
     }
diff --git a/chrome/browser/net/referrer.cc b/chrome/browser/net/referrer.cc
index 0b884d6..8f16067 100644
--- a/chrome/browser/net/referrer.cc
+++ b/chrome/browser/net/referrer.cc
@@ -124,7 +124,7 @@ void Referrer::Deserialize(const Value& value) {
     if (!subresource_list->GetString(index++, &url_spec))
       return;
     double rate;
-    if (!subresource_list->GetReal(index++, &rate))
+    if (!subresource_list->GetDouble(index++, &rate))
       return;
 
     GURL url(url_spec);
diff --git a/chrome/browser/policy/device_management_policy_cache.cc b/chrome/browser/policy/device_management_policy_cache.cc
index cc6a34e..ef8e6e1 100644
--- a/chrome/browser/policy/device_management_policy_cache.cc
+++ b/chrome/browser/policy/device_management_policy_cache.cc
@@ -185,7 +185,7 @@ Value* DeviceManagementPolicyCache::DecodeValue(const em::GenericValue& value) {
       return NULL;
     case em::GenericValue::VALUE_TYPE_DOUBLE:
       if (value.has_double_value())
-        return Value::CreateRealValue(value.double_value());
+        return Value::CreateDoubleValue(value.double_value());
       return NULL;
     case em::GenericValue::VALUE_TYPE_BYTES:
       if (value.has_bytes_value()) {
@@ -224,7 +224,7 @@ Value* DeviceManagementPolicyCache::DecodeValue(const em::GenericValue& value) {
       RepeatedField<double>::const_iterator i;
       for (i = value.double_array().begin();
            i != value.double_array().end(); ++i)
-        list->Append(Value::CreateRealValue(*i));
+        list->Append(Value::CreateDoubleValue(*i));
       return list;
     }
     default:
diff --git a/chrome/browser/policy/device_management_policy_cache_unittest.cc b/chrome/browser/policy/device_management_policy_cache_unittest.cc
index e1482f1..1fe98c8 100644
--- a/chrome/browser/policy/device_management_policy_cache_unittest.cc
+++ b/chrome/browser/policy/device_management_policy_cache_unittest.cc
@@ -257,7 +257,7 @@ TEST_F(DeviceManagementPolicyCacheDecodeTest, String) {
 TEST_F(DeviceManagementPolicyCacheDecodeTest, Double) {
   value_.set_value_type(em::GenericValue::VALUE_TYPE_DOUBLE);
   value_.set_double_value(0.42L);
-  DecodeAndCheck(Value::CreateRealValue(0.42L));
+  DecodeAndCheck(Value::CreateDoubleValue(0.42L));
 }
 
 TEST_F(DeviceManagementPolicyCacheDecodeTest, Bytes) {
@@ -303,8 +303,8 @@ TEST_F(DeviceManagementPolicyCacheDecodeTest, DoubleArray) {
   value_.add_double_array(0.42L);
   value_.add_double_array(0.17L);
   ListValue* list = new ListValue;
-  list->Append(Value::CreateRealValue(0.42L));
-  list->Append(Value::CreateRealValue(0.17L));
+  list->Append(Value::CreateDoubleValue(0.42L));
+  list->Append(Value::CreateDoubleValue(0.17L));
   DecodeAndCheck(list);
 }
 
diff --git a/chrome/browser/prefs/pref_member.cc b/chrome/browser/prefs/pref_member.cc
index 0b38486..5ff0f0d 100644
--- a/chrome/browser/prefs/pref_member.cc
+++ b/chrome/browser/prefs/pref_member.cc
@@ -96,18 +96,18 @@ void IntegerPrefMember::UpdatePref(const int& value) {
   prefs()->SetInteger(pref_name().c_str(), value);
 }
 
-RealPrefMember::RealPrefMember() : PrefMember<double>() {
+DoublePrefMember::DoublePrefMember() : PrefMember<double>() {
 }
 
-RealPrefMember::~RealPrefMember() {
+DoublePrefMember::~DoublePrefMember() {
 }
 
-void RealPrefMember::UpdateValueFromPref() const {
-  value_ = prefs()->GetReal(pref_name().c_str());
+void DoublePrefMember::UpdateValueFromPref() const {
+  value_ = prefs()->GetDouble(pref_name().c_str());
 }
 
-void RealPrefMember::UpdatePref(const double& value) {
-  prefs()->SetReal(pref_name().c_str(), value);
+void DoublePrefMember::UpdatePref(const double& value) {
+  prefs()->SetDouble(pref_name().c_str(), value);
 }
 
 StringPrefMember::StringPrefMember() : PrefMember<std::string>() {
diff --git a/chrome/browser/prefs/pref_member.h b/chrome/browser/prefs/pref_member.h
index 099511a..082ec6e 100644
--- a/chrome/browser/prefs/pref_member.h
+++ b/chrome/browser/prefs/pref_member.h
@@ -178,17 +178,17 @@ class IntegerPrefMember : public PrefMember<int> {
   DISALLOW_COPY_AND_ASSIGN(IntegerPrefMember);
 };
 
-class RealPrefMember : public PrefMember<double> {
+class DoublePrefMember : public PrefMember<double> {
  public:
-  RealPrefMember();
-  virtual ~RealPrefMember();
+  DoublePrefMember();
+  virtual ~DoublePrefMember();
 
  protected:
   virtual void UpdateValueFromPref() const;
   virtual void UpdatePref(const double& value);
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(RealPrefMember);
+  DISALLOW_COPY_AND_ASSIGN(DoublePrefMember);
 };
 
 class StringPrefMember : public PrefMember<std::string> {
diff --git a/chrome/browser/prefs/pref_member_unittest.cc b/chrome/browser/prefs/pref_member_unittest.cc
index 3f786afb..f0bf181 100644
--- a/chrome/browser/prefs/pref_member_unittest.cc
+++ b/chrome/browser/prefs/pref_member_unittest.cc
@@ -14,13 +14,13 @@ namespace {
 
 static const char kBoolPref[] = "bool";
 static const char kIntPref[] = "int";
-static const char kRealPref[] = "real";
+static const char kDoublePref[] = "double";
 static const char kStringPref[] = "string";
 
 void RegisterTestPrefs(PrefService* prefs) {
   prefs->RegisterBooleanPref(kBoolPref, false);
   prefs->RegisterIntegerPref(kIntPref, 0);
-  prefs->RegisterRealPref(kRealPref, 0.0);
+  prefs->RegisterDoublePref(kDoublePref, 0.0);
   prefs->RegisterStringPref(kStringPref, "default");
 }
 
@@ -98,26 +98,26 @@ TEST(PrefMemberTest, BasicGetAndSet) {
   EXPECT_EQ(2, integer.GetValue());
   EXPECT_EQ(2, *integer);
 
-  // Test real (double)
-  RealPrefMember real;
-  real.Init(kRealPref, &prefs, NULL);
+  // Test double
+  DoublePrefMember double_member;
+  double_member.Init(kDoublePref, &prefs, NULL);
 
   // Check the defaults
-  EXPECT_EQ(0.0, prefs.GetReal(kRealPref));
-  EXPECT_EQ(0.0, real.GetValue());
-  EXPECT_EQ(0.0, *real);
+  EXPECT_EQ(0.0, prefs.GetDouble(kDoublePref));
+  EXPECT_EQ(0.0, double_member.GetValue());
+  EXPECT_EQ(0.0, *double_member);
 
   // Try changing through the member variable.
-  real.SetValue(1.0);
-  EXPECT_EQ(1.0, real.GetValue());
-  EXPECT_EQ(1.0, prefs.GetReal(kRealPref));
-  EXPECT_EQ(1.0, *real);
+  double_member.SetValue(1.0);
+  EXPECT_EQ(1.0, double_member.GetValue());
+  EXPECT_EQ(1.0, prefs.GetDouble(kDoublePref));
+  EXPECT_EQ(1.0, *double_member);
 
   // Try changing back through the pref.
-  prefs.SetReal(kRealPref, 3.0);
-  EXPECT_EQ(3.0, prefs.GetReal(kRealPref));
-  EXPECT_EQ(3.0, real.GetValue());
-  EXPECT_EQ(3.0, *real);
+  prefs.SetDouble(kDoublePref, 3.0);
+  EXPECT_EQ(3.0, prefs.GetDouble(kDoublePref));
+  EXPECT_EQ(3.0, double_member.GetValue());
+  EXPECT_EQ(3.0, *double_member);
 
   // Test string
   StringPrefMember string;
@@ -142,14 +142,14 @@ TEST(PrefMemberTest, BasicGetAndSet) {
 }
 
 TEST(PrefMemberTest, TwoPrefs) {
-  // Make sure two RealPrefMembers stay in sync.
+  // Make sure two DoublePrefMembers stay in sync.
   TestingPrefService prefs;
   RegisterTestPrefs(&prefs);
 
-  RealPrefMember pref1;
-  pref1.Init(kRealPref, &prefs, NULL);
-  RealPrefMember pref2;
-  pref2.Init(kRealPref, &prefs, NULL);
+  DoublePrefMember pref1;
+  pref1.Init(kDoublePref, &prefs, NULL);
+  DoublePrefMember pref2;
+  pref2.Init(kDoublePref, &prefs, NULL);
 
   pref1.SetValue(2.3);
   EXPECT_EQ(2.3, *pref2);
@@ -157,7 +157,7 @@ TEST(PrefMemberTest, TwoPrefs) {
   pref2.SetValue(3.5);
   EXPECT_EQ(3.5, *pref1);
 
-  prefs.SetReal(kRealPref, 4.2);
+  prefs.SetDouble(kDoublePref, 4.2);
   EXPECT_EQ(4.2, *pref1);
   EXPECT_EQ(4.2, *pref2);
 }
diff --git a/chrome/browser/prefs/pref_service.cc b/chrome/browser/prefs/pref_service.cc
index 363d262..34b6ca4 100644
--- a/chrome/browser/prefs/pref_service.cc
+++ b/chrome/browser/prefs/pref_service.cc
@@ -56,10 +56,10 @@ Value* CreateLocaleDefaultValue(Value::ValueType type, int message_id) {
       return Value::CreateIntegerValue(val);
     }
 
-    case Value::TYPE_REAL: {
+    case Value::TYPE_DOUBLE: {
       double val;
       base::StringToDouble(resource_string, &val);
-      return Value::CreateRealValue(val);
+      return Value::CreateDoubleValue(val);
     }
 
     case Value::TYPE_STRING: {
@@ -227,8 +227,8 @@ void PrefService::RegisterIntegerPref(const char* path, int default_value) {
   RegisterPreference(path, Value::CreateIntegerValue(default_value));
 }
 
-void PrefService::RegisterRealPref(const char* path, double default_value) {
-  RegisterPreference(path, Value::CreateRealValue(default_value));
+void PrefService::RegisterDoublePref(const char* path, double default_value) {
+  RegisterPreference(path, Value::CreateDoubleValue(default_value));
 }
 
 void PrefService::RegisterStringPref(const char* path,
@@ -263,11 +263,11 @@ void PrefService::RegisterLocalizedIntegerPref(const char* path,
       CreateLocaleDefaultValue(Value::TYPE_INTEGER, locale_default_message_id));
 }
 
-void PrefService::RegisterLocalizedRealPref(const char* path,
-                                            int locale_default_message_id) {
+void PrefService::RegisterLocalizedDoublePref(const char* path,
+                                              int locale_default_message_id) {
   RegisterPreference(
       path,
-      CreateLocaleDefaultValue(Value::TYPE_REAL, locale_default_message_id));
+      CreateLocaleDefaultValue(Value::TYPE_DOUBLE, locale_default_message_id));
 }
 
 void PrefService::RegisterLocalizedStringPref(const char* path,
@@ -307,7 +307,7 @@ int PrefService::GetInteger(const char* path) const {
   return result;
 }
 
-double PrefService::GetReal(const char* path) const {
+double PrefService::GetDouble(const char* path) const {
   DCHECK(CalledOnValidThread());
 
   double result = 0.0;
@@ -317,7 +317,7 @@ double PrefService::GetReal(const char* path) const {
     NOTREACHED() << "Trying to read an unregistered pref: " << path;
     return result;
   }
-  bool rv = pref->GetValue()->GetAsReal(&result);
+  bool rv = pref->GetValue()->GetAsDouble(&result);
   DCHECK(rv);
   return result;
 }
@@ -494,8 +494,8 @@ void PrefService::SetInteger(const char* path, int value) {
   SetUserPrefValue(path, Value::CreateIntegerValue(value));
 }
 
-void PrefService::SetReal(const char* path, double value) {
-  SetUserPrefValue(path, Value::CreateRealValue(value));
+void PrefService::SetDouble(const char* path, double value) {
+  SetUserPrefValue(path, Value::CreateDoubleValue(value));
 }
 
 void PrefService::SetString(const char* path, const std::string& value) {
diff --git a/chrome/browser/prefs/pref_service.h b/chrome/browser/prefs/pref_service.h
index 41d4e50..5891a1d 100644
--- a/chrome/browser/prefs/pref_service.h
+++ b/chrome/browser/prefs/pref_service.h
@@ -38,7 +38,7 @@ class PrefService : public base::NonThreadSafe {
    public:
 
     // The type of the preference is determined by the type with which it is
-    // registered. This type needs to be a boolean, integer, real, string,
+    // registered. This type needs to be a boolean, integer, double, string,
     // dictionary (a branch), or list.  You shouldn't need to construct this on
     // your own; use the PrefService::Register*Pref methods instead.
     Preference(const PrefService* service,
@@ -142,7 +142,7 @@ class PrefService : public base::NonThreadSafe {
   // Make the PrefService aware of a pref.
   void RegisterBooleanPref(const char* path, bool default_value);
   void RegisterIntegerPref(const char* path, int default_value);
-  void RegisterRealPref(const char* path, double default_value);
+  void RegisterDoublePref(const char* path, double default_value);
   void RegisterStringPref(const char* path, const std::string& default_value);
   void RegisterFilePathPref(const char* path, const FilePath& default_value);
   void RegisterListPref(const char* path);
@@ -153,8 +153,8 @@ class PrefService : public base::NonThreadSafe {
                                     int locale_default_message_id);
   void RegisterLocalizedIntegerPref(const char* path,
                                     int locale_default_message_id);
-  void RegisterLocalizedRealPref(const char* path,
-                                 int locale_default_message_id);
+  void RegisterLocalizedDoublePref(const char* path,
+                                   int locale_default_message_id);
   void RegisterLocalizedStringPref(const char* path,
                                    int locale_default_message_id);
 
@@ -163,7 +163,7 @@ class PrefService : public base::NonThreadSafe {
   // value (set when the pref was registered) will be returned.
   bool GetBoolean(const char* path) const;
   int GetInteger(const char* path) const;
-  double GetReal(const char* path) const;
+  double GetDouble(const char* path) const;
   std::string GetString(const char* path) const;
   FilePath GetFilePath(const char* path) const;
 
@@ -182,7 +182,7 @@ class PrefService : public base::NonThreadSafe {
   void Set(const char* path, const Value& value);
   void SetBoolean(const char* path, bool value);
   void SetInteger(const char* path, int value);
-  void SetReal(const char* path, double value);
+  void SetDouble(const char* path, double value);
   void SetString(const char* path, const std::string& value);
   void SetFilePath(const char* path, const FilePath& value);
 
diff --git a/chrome/browser/printing/print_dialog_cloud.cc b/chrome/browser/printing/print_dialog_cloud.cc
index 1013aed..515e0b4 100644
--- a/chrome/browser/printing/print_dialog_cloud.cc
+++ b/chrome/browser/printing/print_dialog_cloud.cc
@@ -106,10 +106,10 @@
 
 namespace internal_cloud_print_helpers {
 
-bool GetRealOrInt(const DictionaryValue& dictionary,
-                  const std::string& path,
-                  double* out_value) {
-  if (!dictionary.GetReal(path, out_value)) {
+bool GetDoubleOrInt(const DictionaryValue& dictionary,
+                    const std::string& path,
+                    double* out_value) {
+  if (!dictionary.GetDouble(path, out_value)) {
     int int_value = 0;
     if (!dictionary.GetInteger(path, &int_value))
       return false;
@@ -131,9 +131,9 @@ bool GetPageSetupParameters(const std::string& json,
 
   bool result = true;
   DictionaryValue* params = static_cast<DictionaryValue*>(parsed_value.get());
-  result &= GetRealOrInt(*params, "dpi", &parameters.dpi);
-  result &= GetRealOrInt(*params, "min_shrink", &parameters.min_shrink);
-  result &= GetRealOrInt(*params, "max_shrink", &parameters.max_shrink);
+  result &= GetDoubleOrInt(*params, "dpi", &parameters.dpi);
+  result &= GetDoubleOrInt(*params, "min_shrink", &parameters.min_shrink);
+  result &= GetDoubleOrInt(*params, "max_shrink", &parameters.max_shrink);
   result &= params->GetBoolean("selection_only", &parameters.selection_only);
   return result;
 }
diff --git a/chrome/browser/renderer_host/test/render_view_host_browsertest.cc b/chrome/browser/renderer_host/test/render_view_host_browsertest.cc
index 67c0dfb..6e37723 100644
--- a/chrome/browser/renderer_host/test/render_view_host_browsertest.cc
+++ b/chrome/browser/renderer_host/test/render_view_host_browsertest.cc
@@ -117,9 +117,9 @@ IN_PROC_BROWSER_TEST_F(RenderViewHostTest,
   {
     ExecuteNotificationObserver observer;
     ExecuteJavascriptAndGetValue("42.2;", &observer);
-    EXPECT_EQ(Value::TYPE_REAL, observer.value()->GetType());
+    EXPECT_EQ(Value::TYPE_DOUBLE, observer.value()->GetType());
     double double_value;
-    EXPECT_TRUE(observer.value()->GetAsReal(&double_value));
+    EXPECT_TRUE(observer.value()->GetAsDouble(&double_value));
     EXPECT_EQ(42.2, double_value);
   }
 
@@ -149,9 +149,9 @@ IN_PROC_BROWSER_TEST_F(RenderViewHostTest,
   {
     ExecuteNotificationObserver observer;
     ExecuteJavascriptAndGetValue("new Date(1);", &observer);
-    EXPECT_EQ(Value::TYPE_REAL, observer.value()->GetType());
+    EXPECT_EQ(Value::TYPE_DOUBLE, observer.value()->GetType());
     double date_seconds;
-    EXPECT_TRUE(observer.value()->GetAsReal(&date_seconds));
+    EXPECT_TRUE(observer.value()->GetAsDouble(&date_seconds));
 
     base::Time time = base::Time::FromDoubleT(date_seconds);
 
@@ -170,9 +170,9 @@ IN_PROC_BROWSER_TEST_F(RenderViewHostTest,
     ExecuteNotificationObserver observer;
     ExecuteJavascriptAndGetValue("new Date(Date.UTC(2006, 7, 16, 12, 0, 15));",
                                  &observer);
-    EXPECT_EQ(Value::TYPE_REAL, observer.value()->GetType());
+    EXPECT_EQ(Value::TYPE_DOUBLE, observer.value()->GetType());
     double date_seconds;
-    EXPECT_TRUE(observer.value()->GetAsReal(&date_seconds));
+    EXPECT_TRUE(observer.value()->GetAsDouble(&date_seconds));
 
     base::Time time = base::Time::FromDoubleT(date_seconds);
 
diff --git a/chrome/browser/resources/options/pref_ui.js b/chrome/browser/resources/options/pref_ui.js
index 99db298..3e8c965 100644
--- a/chrome/browser/resources/options/pref_ui.js
+++ b/chrome/browser/resources/options/pref_ui.js
@@ -411,7 +411,7 @@ cr.define('options', function() {
                     self.options[self.selectedIndex].value, self.metric);
                 break;
               case 'real':
-                Preferences.setRealPref(self.pref,
+                Preferences.setDoublePref(self.pref,
                     self.options[self.selectedIndex].value, self.metric);
                 break;
               case 'boolean':
diff --git a/chrome/browser/resources/options/preferences.js b/chrome/browser/resources/options/preferences.js
index 1b242337..ccd3bd7 100644
--- a/chrome/browser/resources/options/preferences.js
+++ b/chrome/browser/resources/options/preferences.js
@@ -69,10 +69,10 @@ cr.define('options', function() {
    * @param {number} value New preference value.
    * @param {string} metric User metrics identifier.
    */
-  Preferences.setRealPref = function(name, value, metric) {
+  Preferences.setDoublePref = function(name, value, metric) {
     var argumentList = [name, String(value)];
     if (metric != undefined) argumentList.push(metric);
-    chrome.send('setRealPref', argumentList);
+    chrome.send('setDoublePref', argumentList);
   };
 
   /**
diff --git a/chrome/browser/speech/speech_recognition_request.cc b/chrome/browser/speech/speech_recognition_request.cc
index 74665e98..dc8dc27 100644
--- a/chrome/browser/speech/speech_recognition_request.cc
+++ b/chrome/browser/speech/speech_recognition_request.cc
@@ -91,7 +91,7 @@ bool ParseServerResponse(const std::string& response_body,
 
     // It is not an error if the 'confidence' field is missing.
     double confidence = 0.0;
-    hypothesis_value->GetReal(kConfidenceString, &confidence);
+    hypothesis_value->GetDouble(kConfidenceString, &confidence);
 
     result->push_back(speech_input::SpeechInputResultItem(utterance,
                                                           confidence));
diff --git a/chrome/browser/themes/browser_theme_pack.cc b/chrome/browser/themes/browser_theme_pack.cc
index 517efd0..32c45aa 100644
--- a/chrome/browser/themes/browser_theme_pack.cc
+++ b/chrome/browser/themes/browser_theme_pack.cc
@@ -298,8 +298,8 @@ RefCountedMemory* ReadFileData(const FilePath& path) {
 
 // Does error checking for invalid incoming data while trying to read an
 // floating point value.
-bool ValidRealValue(ListValue* tint_list, int index, double* out) {
-  if (tint_list->GetReal(index, out))
+bool ValidDoubleValue(ListValue* tint_list, int index, double* out) {
+  if (tint_list->GetDouble(index, out))
     return true;
 
   int value = 0;
@@ -619,9 +619,9 @@ void BrowserThemePack::BuildTintsFromJSON(DictionaryValue* tints_value) {
         (tint_list->GetSize() == 3)) {
       color_utils::HSL hsl = { -1, -1, -1 };
 
-      if (ValidRealValue(tint_list, 0, &hsl.h) &&
-          ValidRealValue(tint_list, 1, &hsl.s) &&
-          ValidRealValue(tint_list, 2, &hsl.l)) {
+      if (ValidDoubleValue(tint_list, 0, &hsl.h) &&
+          ValidDoubleValue(tint_list, 1, &hsl.s) &&
+          ValidDoubleValue(tint_list, 2, &hsl.l)) {
         int id = GetIntForString(*iter, kTintTable);
         if (id != -1) {
           temp_tints[id] = hsl;
@@ -680,7 +680,7 @@ void BrowserThemePack::ReadColorsFromJSON(
         if (color_list->GetSize() == 4) {
           double alpha;
           int alpha_int;
-          if (color_list->GetReal(3, &alpha)) {
+          if (color_list->GetDouble(3, &alpha)) {
             color = SkColorSetARGB(static_cast<int>(alpha * 255), r, g, b);
           } else if (color_list->GetInteger(3, &alpha_int) &&
                      (alpha_int == 0 || alpha_int == 1)) {
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 59ef3db..d395497 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -2061,7 +2061,7 @@ void Browser::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterStringPref(prefs::kCloudPrintEmail, std::string());
   prefs->RegisterBooleanPref(prefs::kDevToolsDisabled, false);
   prefs->RegisterBooleanPref(prefs::kIncognitoEnabled, true);
-  prefs->RegisterRealPref(prefs::kDefaultZoomLevel, 0.0);
+  prefs->RegisterDoublePref(prefs::kDefaultZoomLevel, 0.0);
   prefs->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
   // We need to register the type of this preference in order to query
   // it even though it's only typically controlled via policy.
diff --git a/chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm b/chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm
index 3cf2433..e0d0a09 100644
--- a/chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm
+++ b/chrome/browser/ui/cocoa/extensions/browser_actions_controller.mm
@@ -360,7 +360,7 @@ class ExtensionServiceObserverBridge : public NotificationObserver,
     // Migration code to the new VisibleIconCount pref.
     // TODO(mpcomplete): remove this at some point.
     double predefinedWidth =
-        profile_->GetPrefs()->GetReal(prefs::kBrowserActionContainerWidth);
+        profile_->GetPrefs()->GetDouble(prefs::kBrowserActionContainerWidth);
     if (predefinedWidth != 0) {
       int iconWidth = kBrowserActionWidth + kBrowserActionButtonPadding;
       int extraWidth = kChevronWidth;
@@ -419,7 +419,7 @@ class ExtensionServiceObserverBridge : public NotificationObserver,
 }
 
 + (void)registerUserPrefs:(PrefService*)prefs {
-  prefs->RegisterRealPref(prefs::kBrowserActionContainerWidth, 0);
+  prefs->RegisterDoublePref(prefs::kBrowserActionContainerWidth, 0);
 }
 
 #pragma mark -
diff --git a/chrome/browser/web_resource/web_resource_service.cc b/chrome/browser/web_resource/web_resource_service.cc
index 3225b92..ab060a8 100644
--- a/chrome/browser/web_resource/web_resource_service.cc
+++ b/chrome/browser/web_resource/web_resource_service.cc
@@ -242,10 +242,10 @@ void WebResourceService::Init() {
   resource_dispatcher_host_ = g_browser_process->resource_dispatcher_host();
   web_resource_fetcher_.reset(new WebResourceFetcher(this));
   prefs_->RegisterStringPref(prefs::kNTPWebResourceCacheUpdate, "0");
-  prefs_->RegisterRealPref(prefs::kNTPCustomLogoStart, 0);
-  prefs_->RegisterRealPref(prefs::kNTPCustomLogoEnd, 0);
-  prefs_->RegisterRealPref(prefs::kNTPPromoStart, 0);
-  prefs_->RegisterRealPref(prefs::kNTPPromoEnd, 0);
+  prefs_->RegisterDoublePref(prefs::kNTPCustomLogoStart, 0);
+  prefs_->RegisterDoublePref(prefs::kNTPCustomLogoEnd, 0);
+  prefs_->RegisterDoublePref(prefs::kNTPPromoStart, 0);
+  prefs_->RegisterDoublePref(prefs::kNTPPromoEnd, 0);
   prefs_->RegisterStringPref(prefs::kNTPPromoLine, std::string());
   prefs_->RegisterBooleanPref(prefs::kNTPPromoClosed, false);
   prefs_->RegisterIntegerPref(prefs::kNTPPromoGroup, -1);
@@ -255,8 +255,8 @@ void WebResourceService::Init() {
 
   // If the promo start is in the future, set a notification task to invalidate
   // the NTP cache at the time of the promo start.
-  double promo_start = prefs_->GetReal(prefs::kNTPPromoStart);
-  double promo_end = prefs_->GetReal(prefs::kNTPPromoEnd);
+  double promo_start = prefs_->GetDouble(prefs::kNTPPromoStart);
+  double promo_end = prefs_->GetDouble(prefs::kNTPPromoEnd);
   ScheduleNotification(promo_start, promo_end);
 }
 
@@ -391,8 +391,8 @@ void WebResourceService::UnpackPromoSignal(const DictionaryValue& parsed_json) {
   // Check for preexisting start and end values.
   if (prefs_->HasPrefPath(prefs::kNTPPromoStart) &&
       prefs_->HasPrefPath(prefs::kNTPPromoEnd)) {
-    old_promo_start = prefs_->GetReal(prefs::kNTPPromoStart);
-    old_promo_end = prefs_->GetReal(prefs::kNTPPromoEnd);
+    old_promo_start = prefs_->GetDouble(prefs::kNTPPromoStart);
+    old_promo_end = prefs_->GetDouble(prefs::kNTPPromoEnd);
   }
 
   // Check for newly received start and end values.
@@ -473,8 +473,8 @@ void WebResourceService::UnpackPromoSignal(const DictionaryValue& parsed_json) {
   // Also reset the promo closed preference, to signal a new promo.
   if (!(old_promo_start == promo_start) ||
       !(old_promo_end == promo_end)) {
-    prefs_->SetReal(prefs::kNTPPromoStart, promo_start);
-    prefs_->SetReal(prefs::kNTPPromoEnd, promo_end);
+    prefs_->SetDouble(prefs::kNTPPromoStart, promo_start);
+    prefs_->SetDouble(prefs::kNTPPromoEnd, promo_end);
     prefs_->SetBoolean(prefs::kNTPPromoClosed, false);
     ScheduleNotification(promo_start, promo_end);
   }
@@ -491,8 +491,8 @@ void WebResourceService::UnpackLogoSignal(const DictionaryValue& parsed_json) {
   // Check for preexisting start and end values.
   if (prefs_->HasPrefPath(prefs::kNTPCustomLogoStart) &&
       prefs_->HasPrefPath(prefs::kNTPCustomLogoEnd)) {
-    old_logo_start = prefs_->GetReal(prefs::kNTPCustomLogoStart);
-    old_logo_end = prefs_->GetReal(prefs::kNTPCustomLogoEnd);
+    old_logo_start = prefs_->GetDouble(prefs::kNTPCustomLogoStart);
+    old_logo_end = prefs_->GetDouble(prefs::kNTPCustomLogoEnd);
   }
 
   // Check for newly received start and end values.
@@ -538,8 +538,8 @@ void WebResourceService::UnpackLogoSignal(const DictionaryValue& parsed_json) {
   // dates counts as a triggering change if there were dates before.
   if (!(old_logo_start == logo_start) ||
       !(old_logo_end == logo_end)) {
-    prefs_->SetReal(prefs::kNTPCustomLogoStart, logo_start);
-    prefs_->SetReal(prefs::kNTPCustomLogoEnd, logo_end);
+    prefs_->SetDouble(prefs::kNTPCustomLogoStart, logo_start);
+    prefs_->SetDouble(prefs::kNTPCustomLogoEnd, logo_end);
     NotificationService* service = NotificationService::current();
     service->Notify(NotificationType::WEB_RESOURCE_STATE_CHANGED,
                     Source<WebResourceService>(this),
diff --git a/chrome/browser/web_resource/web_resource_service_unittest.cc b/chrome/browser/web_resource/web_resource_service_unittest.cc
index 4127a6e..cb51d9f 100644
--- a/chrome/browser/web_resource/web_resource_service_unittest.cc
+++ b/chrome/browser/web_resource/web_resource_service_unittest.cc
@@ -57,10 +57,10 @@ TEST_F(WebResourceServiceTest, UnpackLogoSignal) {
   ASSERT_TRUE(prefs != NULL);
 
   double logo_start =
-      prefs->GetReal(prefs::kNTPCustomLogoStart);
+      prefs->GetDouble(prefs::kNTPCustomLogoStart);
   EXPECT_EQ(logo_start, 1264899600);  // unix epoch for Jan 31 2010 0100 GMT.
   double logo_end =
-      prefs->GetReal(prefs::kNTPCustomLogoEnd);
+      prefs->GetDouble(prefs::kNTPCustomLogoEnd);
   EXPECT_EQ(logo_end, 1327971600);  // unix epoch for Jan 31 2012 0100 GMT.
 
   // Change the start only and recheck.
@@ -85,7 +85,7 @@ TEST_F(WebResourceServiceTest, UnpackLogoSignal) {
   // Check that prefs are set correctly.
   web_resource_service->UnpackLogoSignal(*(test_json.get()));
 
-  logo_start = prefs->GetReal(prefs::kNTPCustomLogoStart);
+  logo_start = prefs->GetDouble(prefs::kNTPCustomLogoStart);
   EXPECT_EQ(logo_start, 1267365600);  // date changes to Feb 28 2010 1400 GMT.
 
   // If no date is included in the prefs, reset custom logo dates to 0.
@@ -103,9 +103,9 @@ TEST_F(WebResourceServiceTest, UnpackLogoSignal) {
 
   // Check that prefs are set correctly.
   web_resource_service->UnpackLogoSignal(*(test_json.get()));
-  logo_start = prefs->GetReal(prefs::kNTPCustomLogoStart);
+  logo_start = prefs->GetDouble(prefs::kNTPCustomLogoStart);
   EXPECT_EQ(logo_start, 0);  // date value reset to 0;
-  logo_end = prefs->GetReal(prefs::kNTPCustomLogoEnd);
+  logo_end = prefs->GetDouble(prefs::kNTPCustomLogoEnd);
   EXPECT_EQ(logo_end, 0);  // date value reset to 0;
 }
 
@@ -160,13 +160,13 @@ TEST_F(WebResourceServiceTest, UnpackPromoSignal) {
   EXPECT_EQ(promo_time_slice, 2);
 
   double promo_start =
-      prefs->GetReal(prefs::kNTPPromoStart);
+      prefs->GetDouble(prefs::kNTPPromoStart);
   int64 actual_start = 1264899600 +  // unix epoch for Jan 31 2010 0100 GMT.
       promo_group * 2 * 60 * 60;
   EXPECT_EQ(promo_start, actual_start);
 
   double promo_end =
-      prefs->GetReal(prefs::kNTPPromoEnd);
+      prefs->GetDouble(prefs::kNTPPromoEnd);
   EXPECT_EQ(promo_end, 1327971600);  // unix epoch for Jan 31 2012 0100 GMT.
 }
 
diff --git a/chrome/common/common_param_traits_unittest.cc b/chrome/common/common_param_traits_unittest.cc
index 8446158..3e4311c 100644
--- a/chrome/common/common_param_traits_unittest.cc
+++ b/chrome/common/common_param_traits_unittest.cc
@@ -118,7 +118,7 @@ TEST(IPCMessageTest, Bitmap) {
 
 TEST(IPCMessageTest, ListValue) {
   ListValue input;
-  input.Set(0, Value::CreateRealValue(42.42));
+  input.Set(0, Value::CreateDoubleValue(42.42));
   input.Set(1, Value::CreateStringValue("forty"));
   input.Set(2, Value::CreateNullValue());
 
@@ -149,7 +149,7 @@ TEST(IPCMessageTest, DictionaryValue) {
   subdict->Set("bool", Value::CreateBooleanValue(false));
 
   scoped_ptr<ListValue> sublist(new ListValue());
-  sublist->Set(0, Value::CreateRealValue(42.42));
+  sublist->Set(0, Value::CreateDoubleValue(42.42));
   sublist->Set(1, Value::CreateStringValue("forty"));
   sublist->Set(2, Value::CreateStringValue("two"));
   subdict->Set("list", sublist.release());
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 76215e4..90b2c3a 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -1493,7 +1493,7 @@ bool Extension::InitFromValue(const DictionaryValue& source, bool require_key,
             ((color_list->GetSize() != 3) &&
              ((color_list->GetSize() != 4) ||
               // For RGBA, the fourth item must be a real or int alpha value
-              (!color_list->GetReal(3, &alpha) &&
+              (!color_list->GetDouble(3, &alpha) &&
                !color_list->GetInteger(3, &alpha_int)))) ||
             // For both RGB and RGBA, the first three items must be ints (R,G,B)
             !color_list->GetInteger(0, &color) ||
@@ -1516,9 +1516,9 @@ bool Extension::InitFromValue(const DictionaryValue& source, bool require_key,
         int vi;
         if (!tints_value->GetListWithoutPathExpansion(*iter, &tint_list) ||
             tint_list->GetSize() != 3 ||
-            !(tint_list->GetReal(0, &v) || tint_list->GetInteger(0, &vi)) ||
-            !(tint_list->GetReal(1, &v) || tint_list->GetInteger(1, &vi)) ||
-            !(tint_list->GetReal(2, &v) || tint_list->GetInteger(2, &vi))) {
+            !(tint_list->GetDouble(0, &v) || tint_list->GetInteger(0, &vi)) ||
+            !(tint_list->GetDouble(1, &v) || tint_list->GetInteger(1, &vi)) ||
+            !(tint_list->GetDouble(2, &v) || tint_list->GetInteger(2, &vi))) {
           *error = errors::kInvalidThemeTints;
           return false;
         }
diff --git a/chrome/common/json_schema_validator.cc b/chrome/common/json_schema_validator.cc
index 7d43543..7da218f 100644
--- a/chrome/common/json_schema_validator.cc
+++ b/chrome/common/json_schema_validator.cc
@@ -16,7 +16,7 @@ namespace {
 
 double GetNumberValue(Value* value) {
   double result = 0;
-  if (value->GetAsReal(&result))
+  if (value->GetAsDouble(&result))
     return result;
 
   int int_result = 0;
@@ -30,7 +30,7 @@ double GetNumberValue(Value* value) {
 
 bool GetNumberFromDictionary(DictionaryValue* value, const std::string& key,
                              double* number) {
-  if (value->GetReal(key, number))
+  if (value->GetDouble(key, number))
     return true;
 
   int int_value = 0;
@@ -97,9 +97,9 @@ std::string JSONSchemaValidator::GetJSONSchemaType(Value* value) {
       return "boolean";
     case Value::TYPE_INTEGER:
       return "integer";
-    case Value::TYPE_REAL: {
+    case Value::TYPE_DOUBLE: {
       double double_value = 0;
-      value->GetAsReal(&double_value);
+      value->GetAsDouble(&double_value);
       if (std::abs(double_value) <= std::pow(2.0, DBL_MANT_DIG) &&
           double_value == floor(double_value)) {
         return "integer";
@@ -269,9 +269,9 @@ void JSONSchemaValidator::ValidateEnum(Value* instance,
         break;
 
       case Value::TYPE_INTEGER:
-      case Value::TYPE_REAL:
+      case Value::TYPE_DOUBLE:
         if (instance->IsType(Value::TYPE_INTEGER) ||
-            instance->IsType(Value::TYPE_REAL)) {
+            instance->IsType(Value::TYPE_DOUBLE)) {
           if (GetNumberValue(choice) == GetNumberValue(instance))
             return;
         }
diff --git a/chrome/common/json_schema_validator_unittest_base.cc b/chrome/common/json_schema_validator_unittest_base.cc
index 782d6bc..6d2c1bb 100644
--- a/chrome/common/json_schema_validator_unittest_base.cc
+++ b/chrome/common/json_schema_validator_unittest_base.cc
@@ -441,18 +441,18 @@ void JSONSchemaValidatorTestBase::TestNumber() {
               scoped_ptr<Value>(Value::CreateIntegerValue(100)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
-              scoped_ptr<Value>(Value::CreateRealValue(88.88)).get(),
+              scoped_ptr<Value>(Value::CreateDoubleValue(88.88)).get(),
               schema.get(), NULL);
 
   ExpectNotValid(
       TEST_SOURCE,
-      scoped_ptr<Value>(Value::CreateRealValue(0.5)).get(),
+      scoped_ptr<Value>(Value::CreateDoubleValue(0.5)).get(),
       schema.get(), NULL, "",
       JSONSchemaValidator::FormatErrorMessage(
           JSONSchemaValidator::kNumberMinimum, "1"));
   ExpectNotValid(
       TEST_SOURCE,
-      scoped_ptr<Value>(Value::CreateRealValue(100.1)).get(),
+      scoped_ptr<Value>(Value::CreateDoubleValue(100.1)).get(),
       schema.get(), NULL, "",
       JSONSchemaValidator::FormatErrorMessage(
           JSONSchemaValidator::kNumberMaximum, "100"));
@@ -472,23 +472,23 @@ void JSONSchemaValidatorTestBase::TestTypeClassifier() {
   EXPECT_EQ("integer", JSONSchemaValidator::GetJSONSchemaType(
       scoped_ptr<Value>(Value::CreateIntegerValue(0)).get()));
   EXPECT_EQ("integer", JSONSchemaValidator::GetJSONSchemaType(
-      scoped_ptr<Value>(Value::CreateRealValue(42)).get()));
+      scoped_ptr<Value>(Value::CreateDoubleValue(42)).get()));
   EXPECT_EQ("integer", JSONSchemaValidator::GetJSONSchemaType(
       scoped_ptr<Value>(
-          Value::CreateRealValue(pow(2.0, DBL_MANT_DIG))).get()));
+          Value::CreateDoubleValue(pow(2.0, DBL_MANT_DIG))).get()));
   EXPECT_EQ("integer", JSONSchemaValidator::GetJSONSchemaType(
       scoped_ptr<Value>(
-          Value::CreateRealValue(pow(-2.0, DBL_MANT_DIG))).get()));
+          Value::CreateDoubleValue(pow(-2.0, DBL_MANT_DIG))).get()));
 
   // "number" is only used for non-integral numbers, or numbers beyond what
   // double can accurately represent.
   EXPECT_EQ("number", JSONSchemaValidator::GetJSONSchemaType(
-      scoped_ptr<Value>(Value::CreateRealValue(88.8)).get()));
+      scoped_ptr<Value>(Value::CreateDoubleValue(88.8)).get()));
   EXPECT_EQ("number", JSONSchemaValidator::GetJSONSchemaType(
-      scoped_ptr<Value>(Value::CreateRealValue(
+      scoped_ptr<Value>(Value::CreateDoubleValue(
           pow(2.0, DBL_MANT_DIG) * 2)).get()));
   EXPECT_EQ("number", JSONSchemaValidator::GetJSONSchemaType(
-      scoped_ptr<Value>(Value::CreateRealValue(
+      scoped_ptr<Value>(Value::CreateDoubleValue(
           pow(-2.0, DBL_MANT_DIG) * 2)).get()));
 
   EXPECT_EQ("string", JSONSchemaValidator::GetJSONSchemaType(
@@ -520,10 +520,10 @@ void JSONSchemaValidatorTestBase::TestTypes() {
 
   schema->SetString("type", "number");
   ExpectValid(TEST_SOURCE,
-              scoped_ptr<Value>(Value::CreateRealValue(88.8)).get(),
+              scoped_ptr<Value>(Value::CreateDoubleValue(88.8)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
-              scoped_ptr<Value>(Value::CreateRealValue(42)).get(),
+              scoped_ptr<Value>(Value::CreateDoubleValue(42)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
               scoped_ptr<Value>(Value::CreateIntegerValue(42)).get(),
@@ -537,18 +537,18 @@ void JSONSchemaValidatorTestBase::TestTypes() {
               scoped_ptr<Value>(Value::CreateIntegerValue(42)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
-              scoped_ptr<Value>(Value::CreateRealValue(42)).get(),
+              scoped_ptr<Value>(Value::CreateDoubleValue(42)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
               scoped_ptr<Value>(Value::CreateIntegerValue(0)).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
               scoped_ptr<Value>(
-                  Value::CreateRealValue(pow(2.0, DBL_MANT_DIG))).get(),
+                  Value::CreateDoubleValue(pow(2.0, DBL_MANT_DIG))).get(),
               schema.get(), NULL);
   ExpectValid(TEST_SOURCE,
               scoped_ptr<Value>(
-                  Value::CreateRealValue(pow(-2.0, DBL_MANT_DIG))).get(),
+                  Value::CreateDoubleValue(pow(-2.0, DBL_MANT_DIG))).get(),
               schema.get(), NULL);
 
   schema->SetString("type", "boolean");
@@ -600,14 +600,14 @@ void JSONSchemaValidatorTestBase::TestTypes() {
 
   schema->SetString("type", "integer");
   ExpectNotValid(TEST_SOURCE,
-                 scoped_ptr<Value>(Value::CreateRealValue(88.8)).get(),
+                 scoped_ptr<Value>(Value::CreateDoubleValue(88.8)).get(),
                  schema.get(), NULL, "",
                  JSONSchemaValidator::FormatErrorMessage(
                      JSONSchemaValidator::kInvalidType, "integer", "number"));
 
   schema->SetString("type", "integer");
   ExpectNotValid(TEST_SOURCE,
-                 scoped_ptr<Value>(Value::CreateRealValue(88.8)).get(),
+                 scoped_ptr<Value>(Value::CreateDoubleValue(88.8)).get(),
                  schema.get(), NULL, "",
                  JSONSchemaValidator::FormatErrorMessage(
                      JSONSchemaValidator::kInvalidType, "integer", "number"));
diff --git a/chrome/common/json_value_serializer_unittest.cc b/chrome/common/json_value_serializer_unittest.cc
index b3f3e0d..d1b83c4 100644
--- a/chrome/common/json_value_serializer_unittest.cc
+++ b/chrome/common/json_value_serializer_unittest.cc
@@ -17,7 +17,7 @@
 
 TEST(JSONValueSerializerTest, Roundtrip) {
   const std::string original_serialization =
-    "{\"bool\":true,\"int\":42,\"list\":[1,2],\"null\":null,\"real\":3.14}";
+    "{\"bool\":true,\"int\":42,\"list\":[1,2],\"null\":null,\"double\":3.14}";
   JSONStringValueSerializer serializer(original_serialization);
   scoped_ptr<Value> root(serializer.Deserialize(NULL, NULL));
   ASSERT_TRUE(root.get());
@@ -38,9 +38,9 @@ TEST(JSONValueSerializerTest, Roundtrip) {
   ASSERT_TRUE(root_dict->GetInteger("int", &int_value));
   ASSERT_EQ(42, int_value);
 
-  double real_value = 0.0;
-  ASSERT_TRUE(root_dict->GetReal("real", &real_value));
-  ASSERT_DOUBLE_EQ(3.14, real_value);
+  double double_value = 0.0;
+  ASSERT_TRUE(root_dict->GetDouble("double", &double_value));
+  ASSERT_DOUBLE_EQ(3.14, double_value);
 
   // We shouldn't be able to write using this serializer, since it was
   // initialized with a const string.
@@ -66,7 +66,7 @@ TEST(JSONValueSerializerTest, Roundtrip) {
     "   \"int\": 42," JSON_NEWLINE
     "   \"list\": [ 1, 2 ]," JSON_NEWLINE
     "   \"null\": null," JSON_NEWLINE
-    "   \"real\": 3.14" JSON_NEWLINE
+    "   \"double\": 3.14" JSON_NEWLINE
     "}" JSON_NEWLINE;
 #undef JSON_NEWLINE
   ASSERT_EQ(pretty_serialization, test_serialization);
diff --git a/chrome/renderer/dom_ui_bindings.cc b/chrome/renderer/dom_ui_bindings.cc
index e3a6a4c..a938f03 100644
--- a/chrome/renderer/dom_ui_bindings.cc
+++ b/chrome/renderer/dom_ui_bindings.cc
@@ -21,7 +21,7 @@ Value* CreateValueFromCppVariant(const CppVariant& value) {
   if (value.isBool())
     return Value::CreateBooleanValue(value.ToBoolean());
   if (value.isDouble())
-    return Value::CreateRealValue(value.ToDouble());
+    return Value::CreateDoubleValue(value.ToDouble());
   if (value.isInt32())
     return Value::CreateIntegerValue(value.ToInt32());
   if (value.isString())
diff --git a/chrome/renderer/extensions/renderer_extension_bindings.cc b/chrome/renderer/extensions/renderer_extension_bindings.cc
index ab7a8eb..8b40f85 100644
--- a/chrome/renderer/extensions/renderer_extension_bindings.cc
+++ b/chrome/renderer/extensions/renderer_extension_bindings.cc
@@ -269,9 +269,9 @@ static std::vector< v8::Handle<v8::Value> > ListValueToV8(
         v8_values.push_back(v8::Integer::New(val));
         break;
       }
-      case Value::TYPE_REAL: {
+      case Value::TYPE_DOUBLE: {
         double val;
-        elem->GetAsReal(&val);
+        elem->GetAsDouble(&val);
         v8_values.push_back(v8::Number::New(val));
         break;
       }
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 25e3544..dc045e9 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -484,8 +484,8 @@ static bool WebAccessibilityNotificationToViewHostMsg(
 
 // Conversion for the incoming value.  The map isn't perfect; v8 has Uint32,
 // and int64 which don't fit as Value::TYPE_INTEGER, so we let them fall into
-// being TYPE_REALs.  Dates are converted to a string (which can then be parsed
-// into a base::Time), as are regexps.  Arrays are converted into lists,
+// being TYPE_DOUBLEs.  Dates are converted to a string (which can then be
+// parsed into a base::Time), as are regexps.  Arrays are converted into lists,
 // recursively.  We don't deal with binary objects or functions - they become
 // null values.
 static Value* ConvertV8Value(const v8::Handle<v8::Value>& v8value) {
@@ -494,12 +494,12 @@ static Value* ConvertV8Value(const v8::Handle<v8::Value>& v8value) {
   } else if (v8value->IsInt32()) {
     return Value::CreateIntegerValue(v8value->Int32Value());
   } else if (v8value->IsNumber()) {
-    return Value::CreateRealValue(v8value->NumberValue());
+    return Value::CreateDoubleValue(v8value->NumberValue());
   } else if (v8value->IsString()) {
     return Value::CreateStringValue(*v8::String::Utf8Value(v8value));
   } else if (v8value->IsDate()) {
     v8::Date* date = v8::Date::Cast(*v8value);
-    return Value::CreateRealValue(date->NumberValue() / 1000.0);
+    return Value::CreateDoubleValue(date->NumberValue() / 1000.0);
   } else if (v8value->IsRegExp()) {
     return Value::CreateStringValue(
         *v8::String::Utf8Value(v8value->ToString()));
diff --git a/chrome/test/automation/browser_proxy.cc b/chrome/test/automation/browser_proxy.cc
index 9ba3057..c91025d 100644
--- a/chrome/test/automation/browser_proxy.cc
+++ b/chrome/test/automation/browser_proxy.cc
@@ -628,11 +628,11 @@ bool BrowserProxy::GetInitialLoadTimes(float* min_start_time,
     tab_dict = static_cast<DictionaryValue*>(tab_value);
 
     double temp;
-    if (!tab_dict->GetReal("load_start_ms", &temp))
+    if (!tab_dict->GetDouble("load_start_ms", &temp))
       return false;
     start_ms = static_cast<float>(temp);
     // load_stop_ms can only be null if WaitForInitialLoads did not run.
-    if (!tab_dict->GetReal("load_stop_ms", &temp))
+    if (!tab_dict->GetDouble("load_stop_ms", &temp))
       return false;
     stop_ms = static_cast<float>(temp);
 
diff --git a/chrome/test/webdriver/utility_functions.cc b/chrome/test/webdriver/utility_functions.cc
index 54e5ae8..4d6975f 100644
--- a/chrome/test/webdriver/utility_functions.cc
+++ b/chrome/test/webdriver/utility_functions.cc
@@ -35,8 +35,8 @@ std::wstring print_valuetype(Value::ValueType e) {
       return L"BOOL";
     case Value::TYPE_INTEGER:
       return L"INT";
-    case Value::TYPE_REAL:
-      return L"REAL";
+    case Value::TYPE_DOUBLE:
+      return L"DOUBLE";
     case Value::TYPE_STRING:
       return L"STRING";
     case Value::TYPE_BINARY: