Add ExtensionManagement based ExternalLoader

chrome/browser/extensions/extension_management.h

Index: chrome/browser/extensions/extension_management.h
diff --git a/chrome/browser/extensions/extension_management.h b/chrome/browser/extensions/extension_management.h
index 3f1a40511573c7087f105f822d6a845c6aadd7f1..91429d5135b33947a45832930dda95768a007c0c 100644
--- a/chrome/browser/extensions/extension_management.h
+++ b/chrome/browser/extensions/extension_management.h
@@ -110,6 +110,13 @@ class ExtensionManagement : public KeyedService {
   // from the command line, or when loaded as an unpacked extension).
   bool BlacklistedByDefault();
 
+  // Returns the force install list, in format specified by
+  // ExternalPolicyLoader::AddExtension().
+  scoped_ptr<base::DictionaryValue> GetForceInstallList() const;
+
+  // Returns if an extension with id |id| is allowed to install or not.
+  bool IsInstallationAllowed(const ExtensionId& id) const;
+
   // Helper function to read |settings_by_id_| with |id| as key. Returns a
   // constant reference to default settings if |id| does not exist.
   const IndividualSettings& ReadById(const ExtensionId& id) const;
@@ -117,6 +124,9 @@ class ExtensionManagement : public KeyedService {
   // Returns a constant reference to |global_settings_|.
   const GlobalSettings& ReadGlobalSettings() const;
 
+  // Allow preference from user preference store, for testing purpose.
+  void AllowUserPreferenceForTesting() const;

[Joao da Silva, 2014/09/07 14:30:21]

Revert these changes. See the comment on the browsertest for a better way to do
this.

+
  private:
   // Load all extension management preferences from |pref_service|, and
   // refresh the settings.
@@ -156,6 +166,8 @@ class ExtensionManagement : public KeyedService {
   // Extension settings applicable to all extensions.
   GlobalSettings global_settings_;
 
+  mutable bool allow_user_preference_;
+
   PrefService* pref_service_;
 
   ObserverList<Observer, true> observer_list_;