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

chrome/browser/profiles/off_the_record_profile_impl.h

Index: chrome/browser/profiles/off_the_record_profile_impl.h
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.h b/chrome/browser/profiles/off_the_record_profile_impl.h
index a6bb73252feeb195bf62ce3e0630f04e8d5f627b..179fd4a011b5d1fb90f02d8e37a603ccfd01e9e0 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.h
+++ b/chrome/browser/profiles/off_the_record_profile_impl.h
@@ -46,9 +46,7 @@ class OffTheRecordProfileImpl : public Profile,
   virtual VisitedLinkMaster* GetVisitedLinkMaster() 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;
   virtual ExtensionSpecialStoragePolicy*
       GetExtensionSpecialStoragePolicy() OVERRIDE;
@@ -94,7 +92,6 @@ class OffTheRecordProfileImpl : public Profile,
   virtual history::TopSites* GetTopSitesWithoutCreating() OVERRIDE;
   virtual history::TopSites* GetTopSites() OVERRIDE;
   virtual void MarkAsCleanShutdown() OVERRIDE;
-  virtual void InitExtensions(bool extensions_enabled) OVERRIDE;
   virtual void InitPromoResources() OVERRIDE;
   virtual void InitRegisteredProtocolHandlers() OVERRIDE;
   virtual FilePath last_selected_directory() OVERRIDE;
@@ -108,7 +105,6 @@ class OffTheRecordProfileImpl : public Profile,
   virtual void OnBrowserAdded(const Browser* browser) OVERRIDE;
   virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE;
   virtual ChromeBlobStorageContext* GetBlobStorageContext() OVERRIDE;
-  virtual ExtensionInfoMap* GetExtensionInfoMap() OVERRIDE;
   virtual ChromeURLDataManager* GetChromeURLDataManager() OVERRIDE;
   virtual PromoCounter* GetInstantPromoCounter() OVERRIDE;
 
@@ -142,11 +138,6 @@ class OffTheRecordProfileImpl : public Profile,
 
   OffTheRecordProfileIOData::Handle io_data_;
 
-  // Must be freed before |io_data_|. While |extension_process_manager_| still
-  // lives, we handle incoming resource requests from extension processes and
-  // those require access to the ResourceContext owned by |io_data_|.
-  scoped_ptr<ExtensionProcessManager> extension_process_manager_;
-
   // We use a non-persistent content settings map for OTR.
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;