Remove the wstring FormatUrl() functions (and convert remaining users to the string16 verison).

Still to do: Actually convert the code underlying FormatUrl().

BUG=23581
TEST=builds and passes tests

Review URL: http://codereview.chromium.org/3263005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57968 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 385 insertions, 555 deletions

diff --git a/net/base/net_util.cc b/net/base/net_util.cc
index 202f5fc..4dd357f 100644
--- a/net/base/net_util.cc
+++ b/net/base/net_util.cc
@@ -69,6 +69,8 @@
 
 using base::Time;
 
+namespace net {
+
 namespace {
 
 // what we prepend to get a file URL
@@ -746,7 +748,15 @@ void AdjustComponents(int delta, url_parse::Parsed* parsed) {
   AdjustComponent(delta, &(parsed->ref));
 }
 
-// Helper for FormatUrl().
+std::wstring FormatUrlInternal(const GURL& url,
+                               const std::wstring& languages,
+                               FormatUrlTypes format_types,
+                               UnescapeRule::Type unescape_rules,
+                               url_parse::Parsed* new_parsed,
+                               size_t* prefix_end,
+                               size_t* offset_for_adjustment);
+
+// Helper for FormatUrl()/FormatUrlInternal().
 std::wstring FormatViewSourceUrl(const GURL& url,
                                  const std::wstring& languages,
                                  net::FormatUrlTypes format_types,
@@ -763,8 +773,8 @@ std::wstring FormatViewSourceUrl(const GURL& url,
       std::wstring::npos : (*offset_for_adjustment - kViewSourceLengthPlus1);
   size_t* temp_offset_ptr = (*offset_for_adjustment < kViewSourceLengthPlus1) ?
       NULL : &temp_offset;
-  std::wstring result = net::FormatUrl(real_url, languages,
-      format_types, unescape_rules, new_parsed, prefix_end, temp_offset_ptr);
+  std::wstring result = FormatUrlInternal(real_url, languages, format_types,
+      unescape_rules, new_parsed, prefix_end, temp_offset_ptr);
   result.insert(0, kWideViewSource);
 
   // Adjust position values.
@@ -785,19 +795,6 @@ std::wstring FormatViewSourceUrl(const GURL& url,
   return result;
 }
 
-}  // namespace
-
-namespace net {
-
-const FormatUrlType kFormatUrlOmitNothing                     = 0;
-const FormatUrlType kFormatUrlOmitUsernamePassword            = 1 << 0;
-const FormatUrlType kFormatUrlOmitHTTP                        = 1 << 1;
-const FormatUrlType kFormatUrlOmitTrailingSlashOnBareHostname = 1 << 2;
-const FormatUrlType kFormatUrlOmitAll = kFormatUrlOmitUsernamePassword |
-    kFormatUrlOmitHTTP | kFormatUrlOmitTrailingSlashOnBareHostname;
-
-std::set<int> explicitly_allowed_ports;
-
 // Appends the substring |in_component| inside of the URL |spec| to |output|,
 // and the resulting range will be filled into |out_component|. |unescape_rules|
 // defines how to clean the URL for human readability.  |offset_for_adjustment|
@@ -808,12 +805,248 @@ std::set<int> explicitly_allowed_ports;
 // components.  Otherwise it points into the component being converted, and is
 // adjusted to point to the same logical place in |output|.
 // |offset_for_adjustment| may not be NULL.
-static void AppendFormattedComponent(const std::string& spec,
-                                     const url_parse::Component& in_component,
-                                     UnescapeRule::Type unescape_rules,
-                                     std::wstring* output,
-                                     url_parse::Component* out_component,
-                                     size_t* offset_for_adjustment);
+void AppendFormattedComponent(const std::string& spec,
+                              const url_parse::Component& in_component,
+                              UnescapeRule::Type unescape_rules,
+                              std::wstring* output,
+                              url_parse::Component* out_component,
+                              size_t* offset_for_adjustment) {
+  DCHECK(output);
+  DCHECK(offset_for_adjustment);
+  if (in_component.is_nonempty()) {
+    out_component->begin = static_cast<int>(output->length());
+    size_t offset_past_current_output =
+        ((*offset_for_adjustment == std::wstring::npos) ||
+         (*offset_for_adjustment < output->length())) ?
+            std::wstring::npos : (*offset_for_adjustment - output->length());
+    size_t* offset_into_component =
+        (offset_past_current_output >= static_cast<size_t>(in_component.len)) ?
+            NULL : &offset_past_current_output;
+    if (unescape_rules == UnescapeRule::NONE) {
+      output->append(UTF8ToWideAndAdjustOffset(
+          spec.substr(in_component.begin, in_component.len),
+          offset_into_component));
+    } else {
+      output->append(UTF16ToWideHack(UnescapeAndDecodeUTF8URLComponent(
+          spec.substr(in_component.begin, in_component.len), unescape_rules,
+          offset_into_component)));
+    }
+    out_component->len =
+        static_cast<int>(output->length()) - out_component->begin;
+    if (offset_into_component) {
+      *offset_for_adjustment = (*offset_into_component == std::wstring::npos) ?
+          std::wstring::npos : (out_component->begin + *offset_into_component);
+    } else if (offset_past_current_output != std::wstring::npos) {
+      *offset_for_adjustment += out_component->len - in_component.len;
+    }
+  } else {
+    out_component->reset();
+  }
+}
+
+// TODO(viettrungluu): This is really the old-fashioned version, made internal.
+// I need to really convert |FormatUrl()|.
+std::wstring FormatUrlInternal(const GURL& url,
+                               const std::wstring& languages,
+                               FormatUrlTypes format_types,
+                               UnescapeRule::Type unescape_rules,
+                               url_parse::Parsed* new_parsed,
+                               size_t* prefix_end,
+                               size_t* offset_for_adjustment) {
+  url_parse::Parsed parsed_temp;
+  if (!new_parsed)
+    new_parsed = &parsed_temp;
+  else
+    *new_parsed = url_parse::Parsed();
+  size_t offset_temp = std::wstring::npos;
+  if (!offset_for_adjustment)
+    offset_for_adjustment = &offset_temp;
+
+  std::wstring url_string;
+
+  // Check for empty URLs or 0 available text width.
+  if (url.is_empty()) {
+    if (prefix_end)
+      *prefix_end = 0;
+    *offset_for_adjustment = std::wstring::npos;
+    return url_string;
+  }
+
+  // Special handling for view-source:.  Don't use chrome::kViewSourceScheme
+  // because this library shouldn't depend on chrome.
+  const char* const kViewSource = "view-source";
+  // Reject "view-source:view-source:..." to avoid deep recursion.
+  const char* const kViewSourceTwice = "view-source:view-source:";
+  if (url.SchemeIs(kViewSource) &&
+      !StartsWithASCII(url.possibly_invalid_spec(), kViewSourceTwice, false)) {
+    return FormatViewSourceUrl(url, languages, format_types,
+        unescape_rules, new_parsed, prefix_end, offset_for_adjustment);
+  }
+
+  // We handle both valid and invalid URLs (this will give us the spec
+  // regardless of validity).
+  const std::string& spec = url.possibly_invalid_spec();
+  const url_parse::Parsed& parsed = url.parsed_for_possibly_invalid_spec();
+  if (*offset_for_adjustment >= spec.length())
+    *offset_for_adjustment = std::wstring::npos;
+
+  // Copy everything before the username (the scheme and the separators.)
+  // These are ASCII.
+  std::copy(spec.begin(),
+      spec.begin() + parsed.CountCharactersBefore(url_parse::Parsed::USERNAME,
+                                                  true),
+      std::back_inserter(url_string));
+
+  const wchar_t kHTTP[] = L"http://";
+  const char kFTP[] = "ftp.";
+  // URLFixerUpper::FixupURL() treats "ftp.foo.com" as ftp://ftp.foo.com.  This
+  // means that if we trim "http://" off a URL whose host starts with "ftp." and
+  // the user inputs this into any field subject to fixup (which is basically
+  // all input fields), the meaning would be changed.  (In fact, often the
+  // formatted URL is directly pre-filled into an input field.)  For this reason
+  // we avoid stripping "http://" in this case.
+  bool omit_http =
+      (format_types & kFormatUrlOmitHTTP) && (url_string == kHTTP) &&
+      (url.host().compare(0, arraysize(kFTP) - 1, kFTP) != 0);
+
+  new_parsed->scheme = parsed.scheme;
+
+  if ((format_types & kFormatUrlOmitUsernamePassword) != 0) {
+    // Remove the username and password fields. We don't want to display those
+    // to the user since they can be used for attacks,
+    // e.g. "http://google.com:search@evil.ru/"
+    new_parsed->username.reset();
+    new_parsed->password.reset();
+    if ((*offset_for_adjustment != std::wstring::npos) &&
+        (parsed.username.is_nonempty() || parsed.password.is_nonempty())) {
+      if (parsed.username.is_nonempty() && parsed.password.is_nonempty()) {
+        // The seeming off-by-one and off-by-two in these first two lines are to
+        // account for the ':' after the username and '@' after the password.
+        if (*offset_for_adjustment >
+            static_cast<size_t>(parsed.password.end())) {
+          *offset_for_adjustment -=
+              (parsed.username.len + parsed.password.len + 2);
+        } else if (*offset_for_adjustment >
+                   static_cast<size_t>(parsed.username.begin)) {
+          *offset_for_adjustment = std::wstring::npos;
+        }
+      } else {
+        const url_parse::Component* nonempty_component =
+            parsed.username.is_nonempty() ? &parsed.username : &parsed.password;
+        // The seeming off-by-one in these first two lines is to account for the
+        // '@' after the username/password.
+        if (*offset_for_adjustment >
+            static_cast<size_t>(nonempty_component->end())) {
+          *offset_for_adjustment -= (nonempty_component->len + 1);
+        } else if (*offset_for_adjustment >
+                   static_cast<size_t>(nonempty_component->begin)) {
+          *offset_for_adjustment = std::wstring::npos;
+        }
+      }
+    }
+  } else {
+    AppendFormattedComponent(spec, parsed.username, unescape_rules, &url_string,
+                             &new_parsed->username, offset_for_adjustment);
+    if (parsed.password.is_valid())
+      url_string.push_back(':');
+    AppendFormattedComponent(spec, parsed.password, unescape_rules, &url_string,
+                             &new_parsed->password, offset_for_adjustment);
+    if (parsed.username.is_valid() || parsed.password.is_valid())
+      url_string.push_back('@');
+  }
+  if (prefix_end)
+    *prefix_end = static_cast<size_t>(url_string.length());
+
+  AppendFormattedHost(url, languages, &url_string, new_parsed,
+                      offset_for_adjustment);
+
+  // Port.
+  if (parsed.port.is_nonempty()) {
+    url_string.push_back(':');
+    new_parsed->port.begin = url_string.length();
+    std::copy(spec.begin() + parsed.port.begin,
+              spec.begin() + parsed.port.end(), std::back_inserter(url_string));
+    new_parsed->port.len = url_string.length() - new_parsed->port.begin;
+  } else {
+    new_parsed->port.reset();
+  }
+
+  // Path and query both get the same general unescape & convert treatment.
+  if (!(format_types & kFormatUrlOmitTrailingSlashOnBareHostname) ||
+      !CanStripTrailingSlash(url)) {
+    AppendFormattedComponent(spec, parsed.path, unescape_rules, &url_string,
+                             &new_parsed->path, offset_for_adjustment);
+  }
+  if (parsed.query.is_valid())
+    url_string.push_back('?');
+  AppendFormattedComponent(spec, parsed.query, unescape_rules, &url_string,
+                           &new_parsed->query, offset_for_adjustment);
+
+  // Reference is stored in valid, unescaped UTF-8, so we can just convert.
+  if (parsed.ref.is_valid()) {
+    url_string.push_back('#');
+    new_parsed->ref.begin = url_string.length();
+    size_t offset_past_current_output =
+        ((*offset_for_adjustment == std::wstring::npos) ||
+         (*offset_for_adjustment < url_string.length())) ?
+            std::wstring::npos : (*offset_for_adjustment - url_string.length());
+    size_t* offset_into_ref =
+        (offset_past_current_output >= static_cast<size_t>(parsed.ref.len)) ?
+            NULL : &offset_past_current_output;
+    if (parsed.ref.len > 0) {
+      url_string.append(UTF8ToWideAndAdjustOffset(spec.substr(parsed.ref.begin,
+                                                              parsed.ref.len),
+                                                  offset_into_ref));
+    }
+    new_parsed->ref.len = url_string.length() - new_parsed->ref.begin;
+    if (offset_into_ref) {
+      *offset_for_adjustment = (*offset_into_ref == std::wstring::npos) ?
+          std::wstring::npos : (new_parsed->ref.begin + *offset_into_ref);
+    } else if (offset_past_current_output != std::wstring::npos) {
+      // We clamped the offset near the beginning of this function to ensure it
+      // was within the input URL.  If we reach here, the input was something
+      // invalid and non-parseable such that the offset was past any component
+      // we could figure out.  In this case it won't be represented in the
+      // output string, so reset it.
+      *offset_for_adjustment = std::wstring::npos;
+    }
+  }
+
+  // If we need to strip out http do it after the fact. This way we don't need
+  // to worry about how offset_for_adjustment is interpreted.
+  const size_t kHTTPSize = arraysize(kHTTP) - 1;
+  if (omit_http && !url_string.compare(0, kHTTPSize, kHTTP)) {
+    url_string = url_string.substr(kHTTPSize);
+    if (*offset_for_adjustment != std::wstring::npos) {
+      if (*offset_for_adjustment < kHTTPSize)
+        *offset_for_adjustment = std::wstring::npos;
+      else
+        *offset_for_adjustment -= kHTTPSize;
+    }
+    if (prefix_end)
+      *prefix_end -= kHTTPSize;
+
+    // Adjust new_parsed.
+    DCHECK(new_parsed->scheme.is_valid());
+    int delta = -(new_parsed->scheme.len + 3);  // +3 for ://.
+    new_parsed->scheme.reset();
+    AdjustComponents(delta, new_parsed);
+  }
+
+  return url_string;
+}
+
+}  // namespace
+
+const FormatUrlType kFormatUrlOmitNothing                     = 0;
+const FormatUrlType kFormatUrlOmitUsernamePassword            = 1 << 0;
+const FormatUrlType kFormatUrlOmitHTTP                        = 1 << 1;
+const FormatUrlType kFormatUrlOmitTrailingSlashOnBareHostname = 1 << 2;
+const FormatUrlType kFormatUrlOmitAll = kFormatUrlOmitUsernamePassword |
+    kFormatUrlOmitHTTP | kFormatUrlOmitTrailingSlashOnBareHostname;
+
+// TODO(viettrungluu): We don't want non-POD globals; change this.
+std::set<int> explicitly_allowed_ports;
 
 GURL FilePathToFileURL(const FilePath& path) {
   // Produce a URL like "file:///C:/foo" for a regular file, or
@@ -1391,237 +1624,7 @@ void AppendFormattedHost(const GURL& url,
   }
 }
 
-/* static */
-void AppendFormattedComponent(const std::string& spec,
-                              const url_parse::Component& in_component,
-                              UnescapeRule::Type unescape_rules,
-                              std::wstring* output,
-                              url_parse::Component* out_component,
-                              size_t* offset_for_adjustment) {
-  DCHECK(output);
-  DCHECK(offset_for_adjustment);
-  if (in_component.is_nonempty()) {
-    out_component->begin = static_cast<int>(output->length());
-    size_t offset_past_current_output =
-        ((*offset_for_adjustment == std::wstring::npos) ||
-         (*offset_for_adjustment < output->length())) ?
-            std::wstring::npos : (*offset_for_adjustment - output->length());
-    size_t* offset_into_component =
-        (offset_past_current_output >= static_cast<size_t>(in_component.len)) ?
-            NULL : &offset_past_current_output;
-    if (unescape_rules == UnescapeRule::NONE) {
-      output->append(UTF8ToWideAndAdjustOffset(
-          spec.substr(in_component.begin, in_component.len),
-          offset_into_component));
-    } else {
-      output->append(UTF16ToWideHack(UnescapeAndDecodeUTF8URLComponent(
-          spec.substr(in_component.begin, in_component.len), unescape_rules,
-          offset_into_component)));
-    }
-    out_component->len =
-        static_cast<int>(output->length()) - out_component->begin;
-    if (offset_into_component) {
-      *offset_for_adjustment = (*offset_into_component == std::wstring::npos) ?
-          std::wstring::npos : (out_component->begin + *offset_into_component);
-    } else if (offset_past_current_output != std::wstring::npos) {
-      *offset_for_adjustment += out_component->len - in_component.len;
-    }
-  } else {
-    out_component->reset();
-  }
-}
-
-std::wstring FormatUrl(const GURL& url,
-                       const std::wstring& languages,
-                       FormatUrlTypes format_types,
-                       UnescapeRule::Type unescape_rules,
-                       url_parse::Parsed* new_parsed,
-                       size_t* prefix_end,
-                       size_t* offset_for_adjustment) {
-  url_parse::Parsed parsed_temp;
-  if (!new_parsed)
-    new_parsed = &parsed_temp;
-  else
-    *new_parsed = url_parse::Parsed();
-  size_t offset_temp = std::wstring::npos;
-  if (!offset_for_adjustment)
-    offset_for_adjustment = &offset_temp;
-
-  std::wstring url_string;
-
-  // Check for empty URLs or 0 available text width.
-  if (url.is_empty()) {
-    if (prefix_end)
-      *prefix_end = 0;
-    *offset_for_adjustment = std::wstring::npos;
-    return url_string;
-  }
-
-  // Special handling for view-source:.  Don't use chrome::kViewSourceScheme
-  // because this library shouldn't depend on chrome.
-  const char* const kViewSource = "view-source";
-  // Reject "view-source:view-source:..." to avoid deep recursion.
-  const char* const kViewSourceTwice = "view-source:view-source:";
-  if (url.SchemeIs(kViewSource) &&
-      !StartsWithASCII(url.possibly_invalid_spec(), kViewSourceTwice, false)) {
-    return FormatViewSourceUrl(url, languages, format_types,
-        unescape_rules, new_parsed, prefix_end, offset_for_adjustment);
-  }
-
-  // We handle both valid and invalid URLs (this will give us the spec
-  // regardless of validity).
-  const std::string& spec = url.possibly_invalid_spec();
-  const url_parse::Parsed& parsed = url.parsed_for_possibly_invalid_spec();
-  if (*offset_for_adjustment >= spec.length())
-    *offset_for_adjustment = std::wstring::npos;
-
-  // Copy everything before the username (the scheme and the separators.)
-  // These are ASCII.
-  std::copy(spec.begin(),
-      spec.begin() + parsed.CountCharactersBefore(url_parse::Parsed::USERNAME,
-                                                  true),
-      std::back_inserter(url_string));
-
-  const wchar_t kHTTP[] = L"http://";
-  const char kFTP[] = "ftp.";
-  // URLFixerUpper::FixupURL() treats "ftp.foo.com" as ftp://ftp.foo.com.  This
-  // means that if we trim "http://" off a URL whose host starts with "ftp." and
-  // the user inputs this into any field subject to fixup (which is basically
-  // all input fields), the meaning would be changed.  (In fact, often the
-  // formatted URL is directly pre-filled into an input field.)  For this reason
-  // we avoid stripping "http://" in this case.
-  bool omit_http =
-      (format_types & kFormatUrlOmitHTTP) && (url_string == kHTTP) &&
-      (url.host().compare(0, arraysize(kFTP) - 1, kFTP) != 0);
-
-  new_parsed->scheme = parsed.scheme;
-
-  if ((format_types & kFormatUrlOmitUsernamePassword) != 0) {
-    // Remove the username and password fields. We don't want to display those
-    // to the user since they can be used for attacks,
-    // e.g. "http://google.com:search@evil.ru/"
-    new_parsed->username.reset();
-    new_parsed->password.reset();
-    if ((*offset_for_adjustment != std::wstring::npos) &&
-        (parsed.username.is_nonempty() || parsed.password.is_nonempty())) {
-      if (parsed.username.is_nonempty() && parsed.password.is_nonempty()) {
-        // The seeming off-by-one and off-by-two in these first two lines are to
-        // account for the ':' after the username and '@' after the password.
-        if (*offset_for_adjustment >
-            static_cast<size_t>(parsed.password.end())) {
-          *offset_for_adjustment -=
-              (parsed.username.len + parsed.password.len + 2);
-        } else if (*offset_for_adjustment >
-                   static_cast<size_t>(parsed.username.begin)) {
-          *offset_for_adjustment = std::wstring::npos;
-        }
-      } else {
-        const url_parse::Component* nonempty_component =
-            parsed.username.is_nonempty() ? &parsed.username : &parsed.password;
-        // The seeming off-by-one in these first two lines is to account for the
-        // '@' after the username/password.
-        if (*offset_for_adjustment >
-            static_cast<size_t>(nonempty_component->end())) {
-          *offset_for_adjustment -= (nonempty_component->len + 1);
-        } else if (*offset_for_adjustment >
-                   static_cast<size_t>(nonempty_component->begin)) {
-          *offset_for_adjustment = std::wstring::npos;
-        }
-      }
-    }
-  } else {
-    AppendFormattedComponent(spec, parsed.username, unescape_rules, &url_string,
-                             &new_parsed->username, offset_for_adjustment);
-    if (parsed.password.is_valid())
-      url_string.push_back(':');
-    AppendFormattedComponent(spec, parsed.password, unescape_rules, &url_string,
-                             &new_parsed->password, offset_for_adjustment);
-    if (parsed.username.is_valid() || parsed.password.is_valid())
-      url_string.push_back('@');
-  }
-  if (prefix_end)
-    *prefix_end = static_cast<size_t>(url_string.length());
-
-  AppendFormattedHost(url, languages, &url_string, new_parsed,
-                      offset_for_adjustment);
-
-  // Port.
-  if (parsed.port.is_nonempty()) {
-    url_string.push_back(':');
-    new_parsed->port.begin = url_string.length();
-    std::copy(spec.begin() + parsed.port.begin,
-              spec.begin() + parsed.port.end(), std::back_inserter(url_string));
-    new_parsed->port.len = url_string.length() - new_parsed->port.begin;
-  } else {
-    new_parsed->port.reset();
-  }
-
-  // Path and query both get the same general unescape & convert treatment.
-  if (!(format_types & kFormatUrlOmitTrailingSlashOnBareHostname) ||
-      !CanStripTrailingSlash(url)) {
-    AppendFormattedComponent(spec, parsed.path, unescape_rules, &url_string,
-                             &new_parsed->path, offset_for_adjustment);
-  }
-  if (parsed.query.is_valid())
-    url_string.push_back('?');
-  AppendFormattedComponent(spec, parsed.query, unescape_rules, &url_string,
-                           &new_parsed->query, offset_for_adjustment);
-
-  // Reference is stored in valid, unescaped UTF-8, so we can just convert.
-  if (parsed.ref.is_valid()) {
-    url_string.push_back('#');
-    new_parsed->ref.begin = url_string.length();
-    size_t offset_past_current_output =
-        ((*offset_for_adjustment == std::wstring::npos) ||
-         (*offset_for_adjustment < url_string.length())) ?
-            std::wstring::npos : (*offset_for_adjustment - url_string.length());
-    size_t* offset_into_ref =
-        (offset_past_current_output >= static_cast<size_t>(parsed.ref.len)) ?
-            NULL : &offset_past_current_output;
-    if (parsed.ref.len > 0) {
-      url_string.append(UTF8ToWideAndAdjustOffset(spec.substr(parsed.ref.begin,
-                                                              parsed.ref.len),
-                                                  offset_into_ref));
-    }
-    new_parsed->ref.len = url_string.length() - new_parsed->ref.begin;
-    if (offset_into_ref) {
-      *offset_for_adjustment = (*offset_into_ref == std::wstring::npos) ?
-          std::wstring::npos : (new_parsed->ref.begin + *offset_into_ref);
-    } else if (offset_past_current_output != std::wstring::npos) {
-      // We clamped the offset near the beginning of this function to ensure it
-      // was within the input URL.  If we reach here, the input was something
-      // invalid and non-parseable such that the offset was past any component
-      // we could figure out.  In this case it won't be represented in the
-      // output string, so reset it.
-      *offset_for_adjustment = std::wstring::npos;
-    }
-  }
-
-  // If we need to strip out http do it after the fact. This way we don't need
-  // to worry about how offset_for_adjustment is interpreted.
-  const size_t kHTTPSize = arraysize(kHTTP) - 1;
-  if (omit_http && !url_string.compare(0, kHTTPSize, kHTTP)) {
-    url_string = url_string.substr(kHTTPSize);
-    if (*offset_for_adjustment != std::wstring::npos) {
-      if (*offset_for_adjustment < kHTTPSize)
-        *offset_for_adjustment = std::wstring::npos;
-      else
-        *offset_for_adjustment -= kHTTPSize;
-    }
-    if (prefix_end)
-      *prefix_end -= kHTTPSize;
-
-    // Adjust new_parsed.
-    DCHECK(new_parsed->scheme.is_valid());
-    int delta = -(new_parsed->scheme.len + 3);  // +3 for ://.
-    new_parsed->scheme.reset();
-    AdjustComponents(delta, new_parsed);
-  }
-
-  return url_string;
-}
-
-// TODO(viettrungluu): convert the code in wstring version to this form.
+// TODO(viettrungluu): convert the wstring |FormatUrlInternal()|.
 string16 FormatUrl(const GURL& url,
                    const std::string& languages,
                    FormatUrlTypes format_types,
@@ -1630,8 +1633,9 @@ string16 FormatUrl(const GURL& url,
                    size_t* prefix_end,
                    size_t* offset_for_adjustment) {
   return WideToUTF16Hack(
-      FormatUrl(url, ASCIIToWide(languages), format_types, unescape_rules,
-                new_parsed, prefix_end, offset_for_adjustment));
+      FormatUrlInternal(url, ASCIIToWide(languages), format_types,
+                        unescape_rules, new_parsed, prefix_end,
+                        offset_for_adjustment));
 }
 
 bool CanStripTrailingSlash(const GURL& url) {
diff --git a/net/base/net_util.h b/net/base/net_util.h
index a3bea0d..af3bd0a 100644
--- a/net/base/net_util.h
+++ b/net/base/net_util.h
@@ -294,15 +294,7 @@ void AppendFormattedHost(const GURL& url,
 // 8.  If the offset cannot be successfully adjusted (e.g. because it points
 // into the middle of a component that was entirely removed, past the end of the
 // string, or into the middle of an encoding sequence), it will be set to
-// std::wstring::npos.
-// TODO(viettrungluu): remove wstring version.
-std::wstring FormatUrl(const GURL& url,
-                       const std::wstring& languages,
-                       FormatUrlTypes format_types,
-                       UnescapeRule::Type unescape_rules,
-                       url_parse::Parsed* new_parsed,
-                       size_t* prefix_end,
-                       size_t* offset_for_adjustment);
+// string16::npos.
 string16 FormatUrl(const GURL& url,
                    const std::string& languages,
                    FormatUrlTypes format_types,
@@ -315,11 +307,6 @@ string16 FormatUrl(const GURL& url,
 // format_types = kFormatUrlOmitAll and unescape = SPACES.  This is the typical
 // set of flags for "URLs to display to the user".  You should be cautious about
 // using this for URLs which will be parsed or sent to other applications.
-// TODO(viettrungluu): remove wstring version.
-inline std::wstring FormatUrl(const GURL& url, const std::wstring& languages) {
-  return FormatUrl(url, languages, kFormatUrlOmitAll, UnescapeRule::SPACES,
-                   NULL, NULL, NULL);
-}
 inline string16 FormatUrl(const GURL& url, const std::string& languages) {
   return FormatUrl(url, languages, kFormatUrlOmitAll, UnescapeRule::SPACES,
                    NULL, NULL, NULL);
diff --git a/net/base/net_util_unittest.cc b/net/base/net_util_unittest.cc
index a3b3afb..4975a68 100644
--- a/net/base/net_util_unittest.cc
+++ b/net/base/net_util_unittest.cc
@@ -395,16 +395,6 @@ struct UrlTestData {
   size_t prefix_len;
 };
 
-struct UrlTestDataDeprecated {
-  const char* description;
-  const char* input;
-  const std::wstring languages;
-  net::FormatUrlTypes format_types;
-  UnescapeRule::Type escape_rules;
-  const std::wstring output;
-  size_t prefix_len;
-};
-
 // Returns an addrinfo for the given 32-bit address (IPv4.)
 // The result lives in static storage, so don't delete it.
 // |bytes| should be an array of length 4.
@@ -866,17 +856,17 @@ TEST(NetUtilTest, IDNToUnicodeAdjustOffset) {
     {2, 2},
     {4, 4},
     {5, 5},
-    {6, std::wstring::npos},
-    {16, std::wstring::npos},
+    {6, string16::npos},
+    {16, string16::npos},
     {17, 7},
     {18, 8},
-    {19, std::wstring::npos},
-    {25, std::wstring::npos},
+    {19, string16::npos},
+    {25, string16::npos},
     {34, 12},
     {35, 13},
     {38, 16},
-    {39, std::wstring::npos},
-    {std::wstring::npos, std::wstring::npos},
+    {39, string16::npos},
+    {string16::npos, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(adjust_cases); ++i) {
     size_t offset = adjust_cases[i].input_offset;
@@ -1527,296 +1517,143 @@ TEST(NetUtilTest, FormatUrl) {
   }
 }
 
-TEST(NetUtilTest, FormatUrlDeprecated) {
-  net::FormatUrlTypes default_format_type = net::kFormatUrlOmitUsernamePassword;
-  const UrlTestDataDeprecated tests[] = {
-    {"Empty URL", "", L"", default_format_type, UnescapeRule::NORMAL, L"", 0},
-
-    {"Simple URL",
-     "http://www.google.com/", L"", default_format_type, UnescapeRule::NORMAL,
-     L"http://www.google.com/", 7},
-
-    {"With a port number and a reference",
-     "http://www.google.com:8080/#\xE3\x82\xB0", L"", default_format_type,
-     UnescapeRule::NORMAL,
-     L"http://www.google.com:8080/#\x30B0", 7},
-
-    // -------- IDN tests --------
-    {"Japanese IDN with ja",
-     "http://xn--l8jvb1ey91xtjb.jp", L"ja", default_format_type,
-     UnescapeRule::NORMAL, L"http://\x671d\x65e5\x3042\x3055\x3072.jp/", 7},
-
-    {"Japanese IDN with en",
-     "http://xn--l8jvb1ey91xtjb.jp", L"en", default_format_type,
-     UnescapeRule::NORMAL, L"http://xn--l8jvb1ey91xtjb.jp/", 7},
-
-    {"Japanese IDN without any languages",
-     "http://xn--l8jvb1ey91xtjb.jp", L"", default_format_type,
-     UnescapeRule::NORMAL,
-     // Single script is safe for empty languages.
-     L"http://\x671d\x65e5\x3042\x3055\x3072.jp/", 7},
-
-    {"mailto: with Japanese IDN",
-     "mailto:foo@xn--l8jvb1ey91xtjb.jp", L"ja", default_format_type,
-     UnescapeRule::NORMAL,
-     // GURL doesn't assume an email address's domain part as a host name.
-     L"mailto:foo@xn--l8jvb1ey91xtjb.jp", 7},
-
-    {"file: with Japanese IDN",
-     "file://xn--l8jvb1ey91xtjb.jp/config.sys", L"ja", default_format_type,
-     UnescapeRule::NORMAL,
-     L"file://\x671d\x65e5\x3042\x3055\x3072.jp/config.sys", 7},
-
-    {"ftp: with Japanese IDN",
-     "ftp://xn--l8jvb1ey91xtjb.jp/config.sys", L"ja", default_format_type,
-     UnescapeRule::NORMAL,
-     L"ftp://\x671d\x65e5\x3042\x3055\x3072.jp/config.sys", 6},
-
-    // -------- omit_username_password flag tests --------
-    {"With username and password, omit_username_password=false",
-     "http://user:passwd@example.com/foo", L"",
-     net::kFormatUrlOmitNothing, UnescapeRule::NORMAL,
-     L"http://user:passwd@example.com/foo", 19},
-
-    {"With username and password, omit_username_password=true",
-     "http://user:passwd@example.com/foo", L"", default_format_type,
-     UnescapeRule::NORMAL, L"http://example.com/foo", 7},
-
-    {"With username and no password",
-     "http://user@example.com/foo", L"", default_format_type,
-     UnescapeRule::NORMAL, L"http://example.com/foo", 7},
-
-    {"Just '@' without username and password",
-     "http://@example.com/foo", L"", default_format_type, UnescapeRule::NORMAL,
-     L"http://example.com/foo", 7},
-
-    // GURL doesn't think local-part of an email address is username for URL.
-    {"mailto:, omit_username_password=true",
-     "mailto:foo@example.com", L"", default_format_type, UnescapeRule::NORMAL,
-     L"mailto:foo@example.com", 7},
-
-    // -------- unescape flag tests --------
-    {"Do not unescape",
-     "http://%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB.jp/"
-     "%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB"
-     "?q=%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB", L"en", default_format_type,
-     UnescapeRule::NONE,
-     // GURL parses %-encoded hostnames into Punycode.
-     L"http://xn--qcka1pmc.jp/%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB"
-     L"?q=%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB", 7},
-
-    {"Unescape normally",
-     "http://%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB.jp/"
-     "%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB"
-     "?q=%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB", L"en", default_format_type,
-     UnescapeRule::NORMAL,
-     L"http://xn--qcka1pmc.jp/\x30B0\x30FC\x30B0\x30EB"
-     L"?q=\x30B0\x30FC\x30B0\x30EB", 7},
-
-    {"Unescape normally including unescape spaces",
-     "http://www.google.com/search?q=Hello%20World", L"en", default_format_type,
-     UnescapeRule::SPACES, L"http://www.google.com/search?q=Hello World", 7},
-
-    /*
-    {"unescape=true with some special characters",
-    "http://user%3A:%40passwd@example.com/foo%3Fbar?q=b%26z", L"",
-    net::kFormatUrlOmitNothing, UnescapeRule::NORMAL,
-    L"http://user%3A:%40passwd@example.com/foo%3Fbar?q=b%26z", 25},
-    */
-    // Disabled: the resultant URL becomes "...user%253A:%2540passwd...".
-
-    // -------- omit http: --------
-    {"omit http with user name",
-     "http://user@example.com/foo", L"", net::kFormatUrlOmitAll,
-     UnescapeRule::NORMAL, L"example.com/foo", 0},
-
-    {"omit http",
-     "http://www.google.com/", L"en", net::kFormatUrlOmitHTTP,
-     UnescapeRule::NORMAL, L"www.google.com/",
-     0},
-
-    {"omit http with https",
-     "https://www.google.com/", L"en", net::kFormatUrlOmitHTTP,
-     UnescapeRule::NORMAL, L"https://www.google.com/",
-     8},
-
-    {"omit http starts with ftp.",
-     "http://ftp.google.com/", L"en", net::kFormatUrlOmitHTTP,
-     UnescapeRule::NORMAL, L"http://ftp.google.com/",
-     7},
-
-    // -------- omit trailing slash on bare hostname --------
-    {"omit slash when it's the entire path",
-     "http://www.google.com/", L"en",
-     net::kFormatUrlOmitTrailingSlashOnBareHostname, UnescapeRule::NORMAL,
-     L"http://www.google.com", 7},
-    {"omit slash when there's a ref",
-     "http://www.google.com/#ref", L"en",
-     net::kFormatUrlOmitTrailingSlashOnBareHostname, UnescapeRule::NORMAL,
-     L"http://www.google.com/#ref", 7},
-    {"omit slash when there's a query",
-     "http://www.google.com/?", L"en",
-     net::kFormatUrlOmitTrailingSlashOnBareHostname, UnescapeRule::NORMAL,
-     L"http://www.google.com/?", 7},
-    {"omit slash when it's not the entire path",
-     "http://www.google.com/foo", L"en",
-     net::kFormatUrlOmitTrailingSlashOnBareHostname, UnescapeRule::NORMAL,
-     L"http://www.google.com/foo", 7},
-    {"omit slash for nonstandard URLs",
-     "data:/", L"en", net::kFormatUrlOmitTrailingSlashOnBareHostname,
-     UnescapeRule::NORMAL, L"data:/", 5},
-    {"omit slash for file URLs",
-     "file:///", L"en", net::kFormatUrlOmitTrailingSlashOnBareHostname,
-     UnescapeRule::NORMAL, L"file:///", 7},
-
-    // -------- view-source: --------
-    {"view-source",
-     "view-source:http://xn--qcka1pmc.jp/", L"ja", default_format_type,
-     UnescapeRule::NORMAL, L"view-source:http://\x30B0\x30FC\x30B0\x30EB.jp/",
-     19},
-
-    {"view-source of view-source",
-     "view-source:view-source:http://xn--qcka1pmc.jp/", L"ja",
-     default_format_type, UnescapeRule::NORMAL,
-     L"view-source:view-source:http://xn--qcka1pmc.jp/", 12},
-
-    // view-source should omit http and trailing slash where non-view-source
-    // would.
-    {"view-source omit http",
-     "view-source:http://a.b/c", L"en", net::kFormatUrlOmitAll,
-     UnescapeRule::NORMAL, L"view-source:a.b/c",
-     12},
-    {"view-source omit http starts with ftp.",
-     "view-source:http://ftp.b/c", L"en", net::kFormatUrlOmitAll,
-     UnescapeRule::NORMAL, L"view-source:http://ftp.b/c",
-     19},
-    {"view-source omit slash when it's the entire path",
-     "view-source:http://a.b/", L"en", net::kFormatUrlOmitAll,
-     UnescapeRule::NORMAL, L"view-source:a.b",
-     12},
-  };
-
-  for (size_t i = 0; i < arraysize(tests); ++i) {
-    size_t prefix_len;
-    std::wstring formatted = net::FormatUrl(
-        GURL(tests[i].input), tests[i].languages, tests[i].format_types,
-        tests[i].escape_rules, NULL, &prefix_len, NULL);
-    EXPECT_EQ(tests[i].output, formatted) << tests[i].description;
-    EXPECT_EQ(tests[i].prefix_len, prefix_len) << tests[i].description;
-  }
-}
-
 TEST(NetUtilTest, FormatUrlParsed) {
   // No unescape case.
   url_parse::Parsed parsed;
-  std::wstring formatted = net::FormatUrl(
+  string16 formatted = net::FormatUrl(
       GURL("http://\xE3\x82\xB0:\xE3\x83\xBC@xn--qcka1pmc.jp:8080/"
            "%E3%82%B0/?q=%E3%82%B0#\xE3\x82\xB0"),
-      L"ja", net::kFormatUrlOmitNothing, UnescapeRule::NONE, &parsed, NULL,
+      "ja", net::kFormatUrlOmitNothing, UnescapeRule::NONE, &parsed, NULL,
       NULL);
-  EXPECT_EQ(L"http://%E3%82%B0:%E3%83%BC@\x30B0\x30FC\x30B0\x30EB.jp:8080"
-      L"/%E3%82%B0/?q=%E3%82%B0#\x30B0", formatted);
-  EXPECT_EQ(L"%E3%82%B0",
+  EXPECT_EQ(WideToUTF16(
+      L"http://%E3%82%B0:%E3%83%BC@\x30B0\x30FC\x30B0\x30EB.jp:8080"
+      L"/%E3%82%B0/?q=%E3%82%B0#\x30B0"), formatted);
+  EXPECT_EQ(WideToUTF16(L"%E3%82%B0"),
       formatted.substr(parsed.username.begin, parsed.username.len));
-  EXPECT_EQ(L"%E3%83%BC",
+  EXPECT_EQ(WideToUTF16(L"%E3%83%BC"),
       formatted.substr(parsed.password.begin, parsed.password.len));
-  EXPECT_EQ(L"\x30B0\x30FC\x30B0\x30EB.jp",
+  EXPECT_EQ(WideToUTF16(L"\x30B0\x30FC\x30B0\x30EB.jp"),
       formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"8080", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/%E3%82%B0/",
+  EXPECT_EQ(WideToUTF16(L"8080"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/%E3%82%B0/"),
       formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"q=%E3%82%B0",
+  EXPECT_EQ(WideToUTF16(L"q=%E3%82%B0"),
       formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"\x30B0", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"\x30B0"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // Unescape case.
   formatted = net::FormatUrl(
       GURL("http://\xE3\x82\xB0:\xE3\x83\xBC@xn--qcka1pmc.jp:8080/"
            "%E3%82%B0/?q=%E3%82%B0#\xE3\x82\xB0"),
-      L"ja", net::kFormatUrlOmitNothing, UnescapeRule::NORMAL, &parsed, NULL,
+      "ja", net::kFormatUrlOmitNothing, UnescapeRule::NORMAL, &parsed, NULL,
       NULL);
-  EXPECT_EQ(L"http://\x30B0:\x30FC@\x30B0\x30FC\x30B0\x30EB.jp:8080"
-      L"/\x30B0/?q=\x30B0#\x30B0", formatted);
-  EXPECT_EQ(L"\x30B0",
+  EXPECT_EQ(WideToUTF16(L"http://\x30B0:\x30FC@\x30B0\x30FC\x30B0\x30EB.jp:8080"
+      L"/\x30B0/?q=\x30B0#\x30B0"), formatted);
+  EXPECT_EQ(WideToUTF16(L"\x30B0"),
       formatted.substr(parsed.username.begin, parsed.username.len));
-  EXPECT_EQ(L"\x30FC",
+  EXPECT_EQ(WideToUTF16(L"\x30FC"),
       formatted.substr(parsed.password.begin, parsed.password.len));
-  EXPECT_EQ(L"\x30B0\x30FC\x30B0\x30EB.jp",
+  EXPECT_EQ(WideToUTF16(L"\x30B0\x30FC\x30B0\x30EB.jp"),
       formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"8080", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/\x30B0/", formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"q=\x30B0",
+  EXPECT_EQ(WideToUTF16(L"8080"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/\x30B0/"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"q=\x30B0"),
       formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"\x30B0", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"\x30B0"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // Omit_username_password + unescape case.
   formatted = net::FormatUrl(
       GURL("http://\xE3\x82\xB0:\xE3\x83\xBC@xn--qcka1pmc.jp:8080/"
            "%E3%82%B0/?q=%E3%82%B0#\xE3\x82\xB0"),
-      L"ja", net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL,
-      &parsed, NULL, NULL);
-  EXPECT_EQ(L"http://\x30B0\x30FC\x30B0\x30EB.jp:8080"
-      L"/\x30B0/?q=\x30B0#\x30B0", formatted);
+      "ja", net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL, &parsed,
+      NULL, NULL);
+  EXPECT_EQ(WideToUTF16(L"http://\x30B0\x30FC\x30B0\x30EB.jp:8080"
+      L"/\x30B0/?q=\x30B0#\x30B0"), formatted);
   EXPECT_FALSE(parsed.username.is_valid());
   EXPECT_FALSE(parsed.password.is_valid());
-  EXPECT_EQ(L"\x30B0\x30FC\x30B0\x30EB.jp",
+  EXPECT_EQ(WideToUTF16(L"\x30B0\x30FC\x30B0\x30EB.jp"),
       formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"8080", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/\x30B0/", formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"q=\x30B0",
+  EXPECT_EQ(WideToUTF16(L"8080"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/\x30B0/"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"q=\x30B0"),
       formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"\x30B0", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"\x30B0"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // View-source case.
   formatted = net::FormatUrl(
       GURL("view-source:http://user:passwd@host:81/path?query#ref"),
-      L"", net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL, &parsed,
+      "", net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL, &parsed,
       NULL, NULL);
-  EXPECT_EQ(L"view-source:http://host:81/path?query#ref", formatted);
-  EXPECT_EQ(L"view-source:http",
+  EXPECT_EQ(WideToUTF16(L"view-source:http://host:81/path?query#ref"),
+      formatted);
+  EXPECT_EQ(WideToUTF16(L"view-source:http"),
       formatted.substr(parsed.scheme.begin, parsed.scheme.len));
   EXPECT_FALSE(parsed.username.is_valid());
   EXPECT_FALSE(parsed.password.is_valid());
-  EXPECT_EQ(L"host", formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"81", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/path", formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"query", formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"ref", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"host"),
+      formatted.substr(parsed.host.begin, parsed.host.len));
+  EXPECT_EQ(WideToUTF16(L"81"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/path"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"query"),
+      formatted.substr(parsed.query.begin, parsed.query.len));
+  EXPECT_EQ(WideToUTF16(L"ref"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // omit http case.
   formatted = net::FormatUrl(
       GURL("http://host:8000/a?b=c#d"),
-      L"", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
-  EXPECT_EQ(L"host:8000/a?b=c#d", formatted);
+      "", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
+  EXPECT_EQ(WideToUTF16(L"host:8000/a?b=c#d"), formatted);
   EXPECT_FALSE(parsed.scheme.is_valid());
   EXPECT_FALSE(parsed.username.is_valid());
   EXPECT_FALSE(parsed.password.is_valid());
-  EXPECT_EQ(L"host", formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"8000", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/a", formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"b=c", formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"d", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"host"),
+      formatted.substr(parsed.host.begin, parsed.host.len));
+  EXPECT_EQ(WideToUTF16(L"8000"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/a"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"b=c"),
+      formatted.substr(parsed.query.begin, parsed.query.len));
+  EXPECT_EQ(WideToUTF16(L"d"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // omit http starts with ftp case.
   formatted = net::FormatUrl(
       GURL("http://ftp.host:8000/a?b=c#d"),
-      L"", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
-  EXPECT_EQ(L"http://ftp.host:8000/a?b=c#d", formatted);
+      "", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
+  EXPECT_EQ(WideToUTF16(L"http://ftp.host:8000/a?b=c#d"), formatted);
   EXPECT_TRUE(parsed.scheme.is_valid());
   EXPECT_FALSE(parsed.username.is_valid());
   EXPECT_FALSE(parsed.password.is_valid());
-  EXPECT_EQ(L"http", formatted.substr(parsed.scheme.begin, parsed.scheme.len));
-  EXPECT_EQ(L"ftp.host", formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"8000", formatted.substr(parsed.port.begin, parsed.port.len));
-  EXPECT_EQ(L"/a", formatted.substr(parsed.path.begin, parsed.path.len));
-  EXPECT_EQ(L"b=c", formatted.substr(parsed.query.begin, parsed.query.len));
-  EXPECT_EQ(L"d", formatted.substr(parsed.ref.begin, parsed.ref.len));
+  EXPECT_EQ(WideToUTF16(L"http"),
+      formatted.substr(parsed.scheme.begin, parsed.scheme.len));
+  EXPECT_EQ(WideToUTF16(L"ftp.host"),
+      formatted.substr(parsed.host.begin, parsed.host.len));
+  EXPECT_EQ(WideToUTF16(L"8000"),
+      formatted.substr(parsed.port.begin, parsed.port.len));
+  EXPECT_EQ(WideToUTF16(L"/a"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"b=c"),
+      formatted.substr(parsed.query.begin, parsed.query.len));
+  EXPECT_EQ(WideToUTF16(L"d"),
+      formatted.substr(parsed.ref.begin, parsed.ref.len));
 
   // omit http starts with 'f' case.
   formatted = net::FormatUrl(
       GURL("http://f/"),
-      L"", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
-  EXPECT_EQ(L"f/", formatted);
+      "", net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, &parsed, NULL, NULL);
+  EXPECT_EQ(WideToUTF16(L"f/"), formatted);
   EXPECT_FALSE(parsed.scheme.is_valid());
   EXPECT_FALSE(parsed.username.is_valid());
   EXPECT_FALSE(parsed.password.is_valid());
@@ -1824,8 +1661,10 @@ TEST(NetUtilTest, FormatUrlParsed) {
   EXPECT_TRUE(parsed.path.is_valid());
   EXPECT_FALSE(parsed.query.is_valid());
   EXPECT_FALSE(parsed.ref.is_valid());
-  EXPECT_EQ(L"f", formatted.substr(parsed.host.begin, parsed.host.len));
-  EXPECT_EQ(L"/", formatted.substr(parsed.path.begin, parsed.path.len));
+  EXPECT_EQ(WideToUTF16(L"f"),
+      formatted.substr(parsed.host.begin, parsed.host.len));
+  EXPECT_EQ(WideToUTF16(L"/"),
+      formatted.substr(parsed.path.begin, parsed.path.len));
 }
 
 TEST(NetUtilTest, FormatUrlAdjustOffset) {
@@ -1839,13 +1678,13 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
     {22, 22},
     {23, 23},
     {25, 25},
-    {26, std::wstring::npos},
-    {500000, std::wstring::npos},
-    {std::wstring::npos, std::wstring::npos},
+    {26, string16::npos},
+    {500000, string16::npos},
+    {string16::npos, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(basic_cases); ++i) {
     size_t offset = basic_cases[i].input_offset;
-    net::FormatUrl(GURL("http://www.google.com/foo/"), L"en",
+    net::FormatUrl(GURL("http://www.google.com/foo/"), "en",
                    net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL,
                    NULL, NULL, &offset);
     EXPECT_EQ(basic_cases[i].output_offset, offset);
@@ -1858,18 +1697,18 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
   } omit_auth_cases[] = {
     {"http://foo:bar@www.google.com/", 6, 6},
     {"http://foo:bar@www.google.com/", 7, 7},
-    {"http://foo:bar@www.google.com/", 8, std::wstring::npos},
-    {"http://foo:bar@www.google.com/", 10, std::wstring::npos},
-    {"http://foo:bar@www.google.com/", 11, std::wstring::npos},
-    {"http://foo:bar@www.google.com/", 14, std::wstring::npos},
+    {"http://foo:bar@www.google.com/", 8, string16::npos},
+    {"http://foo:bar@www.google.com/", 10, string16::npos},
+    {"http://foo:bar@www.google.com/", 11, string16::npos},
+    {"http://foo:bar@www.google.com/", 14, string16::npos},
     {"http://foo:bar@www.google.com/", 15, 7},
     {"http://foo:bar@www.google.com/", 25, 17},
-    {"http://foo@www.google.com/", 9, std::wstring::npos},
+    {"http://foo@www.google.com/", 9, string16::npos},
     {"http://foo@www.google.com/", 11, 7},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(omit_auth_cases); ++i) {
     size_t offset = omit_auth_cases[i].input_offset;
-    net::FormatUrl(GURL(omit_auth_cases[i].input_url), L"en",
+    net::FormatUrl(GURL(omit_auth_cases[i].input_url), "en",
                    net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL,
                    NULL, NULL, &offset);
     EXPECT_EQ(omit_auth_cases[i].output_offset, offset);
@@ -1882,30 +1721,30 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
     {12, 12},
     {13, 13},
     {19, 19},
-    {20, std::wstring::npos},
+    {20, string16::npos},
     {23, 19},
     {26, 22},
-    {std::wstring::npos, std::wstring::npos},
+    {string16::npos, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(view_source_cases); ++i) {
     size_t offset = view_source_cases[i].input_offset;
-    net::FormatUrl(GURL("view-source:http://foo@www.google.com/"), L"en",
+    net::FormatUrl(GURL("view-source:http://foo@www.google.com/"), "en",
                    net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL,
                    NULL, NULL, &offset);
     EXPECT_EQ(view_source_cases[i].output_offset, offset);
   }
 
   const AdjustOffsetCase idn_hostname_cases[] = {
-    {8, std::wstring::npos},
-    {16, std::wstring::npos},
-    {24, std::wstring::npos},
+    {8, string16::npos},
+    {16, string16::npos},
+    {24, string16::npos},
     {25, 12},
     {30, 17},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(idn_hostname_cases); ++i) {
     size_t offset = idn_hostname_cases[i].input_offset;
     // "http://\x671d\x65e5\x3042\x3055\x3072.jp/foo/"
-    net::FormatUrl(GURL("http://xn--l8jvb1ey91xtjb.jp/foo/"), L"ja",
+    net::FormatUrl(GURL("http://xn--l8jvb1ey91xtjb.jp/foo/"), "ja",
                    net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL,
                    NULL, NULL, &offset);
     EXPECT_EQ(idn_hostname_cases[i].output_offset, offset);
@@ -1913,22 +1752,22 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
 
   const AdjustOffsetCase unescape_cases[] = {
     {25, 25},
-    {26, std::wstring::npos},
-    {27, std::wstring::npos},
+    {26, string16::npos},
+    {27, string16::npos},
     {28, 26},
-    {35, std::wstring::npos},
+    {35, string16::npos},
     {41, 31},
     {59, 33},
-    {60, std::wstring::npos},
-    {67, std::wstring::npos},
-    {68, std::wstring::npos},
+    {60, string16::npos},
+    {67, string16::npos},
+    {68, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(unescape_cases); ++i) {
     size_t offset = unescape_cases[i].input_offset;
     // "http://www.google.com/foo bar/\x30B0\x30FC\x30B0\x30EB"
     net::FormatUrl(GURL(
         "http://www.google.com/foo%20bar/%E3%82%B0%E3%83%BC%E3%82%B0%E3%83%AB"),
-        L"en", net::kFormatUrlOmitUsernamePassword, UnescapeRule::SPACES, NULL,
+        "en", net::kFormatUrlOmitUsernamePassword, UnescapeRule::SPACES, NULL,
         NULL, &offset);
     EXPECT_EQ(unescape_cases[i].output_offset, offset);
   }
@@ -1936,30 +1775,30 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
   const AdjustOffsetCase ref_cases[] = {
     {30, 30},
     {31, 31},
-    {32, std::wstring::npos},
+    {32, string16::npos},
     {34, 32},
     {37, 33},
-    {38, std::wstring::npos},
+    {38, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(ref_cases); ++i) {
     size_t offset = ref_cases[i].input_offset;
     // "http://www.google.com/foo.html#\x30B0\x30B0z"
     net::FormatUrl(GURL(
-        "http://www.google.com/foo.html#\xE3\x82\xB0\xE3\x82\xB0z"), L"en",
+        "http://www.google.com/foo.html#\xE3\x82\xB0\xE3\x82\xB0z"), "en",
         net::kFormatUrlOmitUsernamePassword, UnescapeRule::NORMAL, NULL, NULL,
         &offset);
     EXPECT_EQ(ref_cases[i].output_offset, offset);
   }
 
   const AdjustOffsetCase omit_http_cases[] = {
-    {0, std::wstring::npos},
-    {3, std::wstring::npos},
+    {0, string16::npos},
+    {3, string16::npos},
     {7, 0},
     {8, 1},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(omit_http_cases); ++i) {
     size_t offset = omit_http_cases[i].input_offset;
-    net::FormatUrl(GURL("http://www.google.com"), L"en",
+    net::FormatUrl(GURL("http://www.google.com"), "en",
         net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, NULL, NULL, &offset);
     EXPECT_EQ(omit_http_cases[i].output_offset, offset);
   }
@@ -1971,7 +1810,7 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(omit_http_start_with_ftp); ++i) {
     size_t offset = omit_http_start_with_ftp[i].input_offset;
-    net::FormatUrl(GURL("http://ftp.google.com"), L"en",
+    net::FormatUrl(GURL("http://ftp.google.com"), "en",
         net::kFormatUrlOmitHTTP, UnescapeRule::NORMAL, NULL, NULL, &offset);
     EXPECT_EQ(omit_http_start_with_ftp[i].output_offset, offset);
   }
@@ -1979,12 +1818,12 @@ TEST(NetUtilTest, FormatUrlAdjustOffset) {
   const AdjustOffsetCase omit_all_cases[] = {
     {12, 0},
     {13, 1},
-    {0, std::wstring::npos},
-    {3, std::wstring::npos},
+    {0, string16::npos},
+    {3, string16::npos},
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(omit_all_cases); ++i) {
     size_t offset = omit_all_cases[i].input_offset;
-    net::FormatUrl(GURL("http://user@foo.com/"), L"en", net::kFormatUrlOmitAll,
+    net::FormatUrl(GURL("http://user@foo.com/"), "en", net::kFormatUrlOmitAll,
                    UnescapeRule::NORMAL, NULL, NULL, &offset);
     EXPECT_EQ(omit_all_cases[i].output_offset, offset);
   }