Reland 63509 - Define constants for the 'silent extension' install policy

This policy and preference will hold the list of extensions that should be
silently installed.

BUG=59782
TEST=none (real logic comes in later CLs)

Review URL: http://codereview.chromium.org/4014007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63711 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 14 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_prefs.cc b/chrome/browser/extensions/extension_prefs.cc
index 5ebae6a..eb6485f 100644
--- a/chrome/browser/extensions/extension_prefs.cc
+++ b/chrome/browser/extensions/extension_prefs.cc
@@ -903,5 +903,6 @@ void ExtensionPrefs::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterDictionaryPref(kExtensionsBlacklistUpdate);
   prefs->RegisterListPref(prefs::kExtensionInstallAllowList);
   prefs->RegisterListPref(prefs::kExtensionInstallDenyList);
+  prefs->RegisterDictionaryPref(prefs::kExtensionInstallForceList);
   prefs->RegisterStringPref(kWebStoreLogin, std::string() /* default_value */);
 }
diff --git a/chrome/browser/policy/configuration_policy_pref_store.cc b/chrome/browser/policy/configuration_policy_pref_store.cc
index 8ebd74c..cef80e3 100644
--- a/chrome/browser/policy/configuration_policy_pref_store.cc
+++ b/chrome/browser/policy/configuration_policy_pref_store.cc
@@ -227,6 +227,8 @@ ConfigurationPolicyPrefStore::GetChromePolicyValueMap() {
         Value::TYPE_LIST, key::kExtensionInstallAllowList },
     { ConfigurationPolicyStore::kPolicyExtensionInstallDenyList,
         Value::TYPE_LIST, key::kExtensionInstallDenyList },
+    { ConfigurationPolicyStore::kPolicyExtensionInstallForceList,
+        Value::TYPE_LIST, key::kExtensionInstallForceList },
     { ConfigurationPolicyStore::kPolicyShowHomeButton,
         Value::TYPE_BOOLEAN, key::kShowHomeButton },
     { ConfigurationPolicyStore::kPolicyPrintingEnabled,
diff --git a/chrome/browser/policy/configuration_policy_store.h b/chrome/browser/policy/configuration_policy_store.h
index d4a64d2..ca768a8 100644
--- a/chrome/browser/policy/configuration_policy_store.h
+++ b/chrome/browser/policy/configuration_policy_store.h
@@ -48,6 +48,7 @@ class ConfigurationPolicyStore {
     kPolicyApplicationLocale,
     kPolicyExtensionInstallAllowList,
     kPolicyExtensionInstallDenyList,
+    kPolicyExtensionInstallForceList,
     kPolicyShowHomeButton,
     kPolicyDisabledPlugins,
     kPolicyPrintingEnabled,
diff --git a/chrome/common/policy_constants.cc b/chrome/common/policy_constants.cc
index 5d141d9..5334bb1 100644
--- a/chrome/common/policy_constants.cc
+++ b/chrome/common/policy_constants.cc
@@ -50,6 +50,7 @@ const char kApplicationLocaleValue[] = "ApplicationLocaleValue";
 const char kSyncDisabled[] = "SyncDisabled";
 const char kExtensionInstallAllowList[] = "ExtensionInstallWhitelist";
 const char kExtensionInstallDenyList[] = "ExtensionInstallBlacklist";
+const char kExtensionInstallForceList[] = "ExtensionInstallForcelist";
 const char kShowHomeButton[] = "ShowHomeButton";
 const char kPrintingEnabled[] = "PrintingEnabled";
 const char kJavascriptEnabled[] = "JavascriptEnabled";
diff --git a/chrome/common/policy_constants.h b/chrome/common/policy_constants.h
index 93daa21..48cf011 100644
--- a/chrome/common/policy_constants.h
+++ b/chrome/common/policy_constants.h
@@ -47,6 +47,7 @@ extern const char kApplicationLocaleValue[];
 extern const char kSyncDisabled[];
 extern const char kExtensionInstallAllowList[];
 extern const char kExtensionInstallDenyList[];
+extern const char kExtensionInstallForceList[];
 extern const char kShowHomeButton[];
 extern const char kPrintingEnabled[];
 extern const char kJavascriptEnabled[];
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 59505fd..32a5ef3 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -900,6 +900,12 @@ const char kExtensionInstallAllowList[] = "extensions.install.allowlist";
 // Google controlled.
 const char kExtensionInstallDenyList[] = "extensions.install.denylist";
 
+// A dictionary containing extensions that Chrome will silently install
+// at startup time. Its format and semantis are the same as
+// external_extensions.json. This preference is meant to be controlled
+// by the administrator.
+const char kExtensionInstallForceList[] = "extensions.install.forcelist";
+
 // Time of the last, and next scheduled, extensions auto-update checks.
 const char kLastExtensionsUpdateCheck[] = "extensions.autoupdate.last_check";
 const char kNextExtensionsUpdateCheck[] = "extensions.autoupdate.next_check";
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 16ae6be..2a5d6c3 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -327,6 +327,8 @@ extern const char kNextExtensionsUpdateCheck[];
 extern const char kExtensionInstallAllowList[];
 extern const char kExtensionInstallDenyList[];
 
+extern const char kExtensionInstallForceList[];
+
 extern const char kExtensionBlacklistUpdateVersion[];
 
 extern const char kExtensionSidebarWidth[];