Take extensions out of Profile into a profile-keyed service, ExtensionSystem.

chrome/test/base/testing_profile.h

Index: chrome/test/base/testing_profile.h
diff --git a/chrome/test/base/testing_profile.h b/chrome/test/base/testing_profile.h
index f4db9ab0958ae8960a8fddba1913116323e1d6b0..e7d79222c989308fed4f885faa2edfdc2814b721 100644
--- a/chrome/test/base/testing_profile.h
+++ b/chrome/test/base/testing_profile.h
@@ -134,18 +134,6 @@ class TestingProfile : public Profile {
   // Blocks until TempalteURLService finishes loading.
   void BlockUntilTemplateURLServiceLoaded();
 
-  // Creates an ExtensionProcessManager. If not invoked, the
-  // ExtensionProcessManager is NULL.
-  void CreateExtensionProcessManager();
-
-  // Creates an ExtensionService initialized with the testing profile and
-  // returns it. The profile keeps its own copy of a scoped_refptr to the
-  // ExtensionService to make sure that is still alive to be notified when the
-  // profile is destroyed.
-  ExtensionService* CreateExtensionService(const CommandLine* command_line,
-                                           const FilePath& install_directory,
-                                           bool autoupdate_enabled);
-
   TestingPrefService* GetTestingPrefService();
 
   // content::BrowserContext
@@ -182,11 +170,10 @@ class TestingProfile : public Profile {
   virtual bool HasOffTheRecordProfile() OVERRIDE;
   virtual Profile* GetOriginalProfile() OVERRIDE;
   virtual VisitedLinkMaster* GetVisitedLinkMaster() OVERRIDE;
+  virtual ExtensionPrefValueMap* GetExtensionPrefValueMap() OVERRIDE;
   virtual ExtensionService* GetExtensionService() OVERRIDE;
   virtual UserScriptMaster* GetUserScriptMaster() OVERRIDE;
-  virtual ExtensionDevToolsManager* GetExtensionDevToolsManager() OVERRIDE;
   virtual ExtensionProcessManager* GetExtensionProcessManager() OVERRIDE;
-  virtual ExtensionMessageService* GetExtensionMessageService() OVERRIDE;
   virtual ExtensionEventRouter* GetExtensionEventRouter() OVERRIDE;
   void SetExtensionSpecialStoragePolicy(
       ExtensionSpecialStoragePolicy* extension_special_storage_policy);
@@ -244,7 +231,6 @@ class TestingProfile : public Profile {
   virtual ProtocolHandlerRegistry* GetProtocolHandlerRegistry() OVERRIDE;
   virtual WebKitContext* GetOffTheRecordWebKitContext();
   virtual void MarkAsCleanShutdown() OVERRIDE {}
-  virtual void InitExtensions(bool extensions_enabled) OVERRIDE {}
   virtual void InitPromoResources() OVERRIDE {}
   virtual void InitRegisteredProtocolHandlers() OVERRIDE {}
 
@@ -270,7 +256,6 @@ class TestingProfile : public Profile {
   void BlockUntilHistoryProcessesPendingRequests();
 
   virtual TokenService* GetTokenService() OVERRIDE;
-  virtual ExtensionInfoMap* GetExtensionInfoMap() OVERRIDE;
   virtual PromoCounter* GetInstantPromoCounter() OVERRIDE;
   virtual ChromeURLDataManager* GetChromeURLDataManager() OVERRIDE;
   virtual chrome_browser_net::Predictor* GetNetworkPredictor() OVERRIDE;
@@ -354,16 +339,6 @@ class TestingProfile : public Profile {
   FilePath last_selected_directory_;
   scoped_refptr<history::TopSites> top_sites_;  // For history and thumbnails.
 
-  // The Extension Preferences. Only created if CreateExtensionService is
-  // invoked.
-  scoped_ptr<ExtensionPrefs> extension_prefs_;
-
-  scoped_ptr<ExtensionService> extension_service_;
-
-  scoped_ptr<ExtensionProcessManager> extension_process_manager_;
-
-  scoped_ptr<ExtensionPrefValueMap> extension_pref_value_map_;
-
   scoped_refptr<ExtensionSpecialStoragePolicy>
       extension_special_storage_policy_;