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 e22e9d4285579ae67e6749f3434f84bbcd4cba08..829b51db33deb7dec611ba91d5540eea09ddece1 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.h
+++ b/chrome/browser/profiles/off_the_record_profile_impl.h
@@ -40,11 +40,10 @@ class OffTheRecordProfileImpl : 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;
   virtual ExtensionSpecialStoragePolicy*
       GetExtensionSpecialStoragePolicy() OVERRIDE;
@@ -75,7 +74,6 @@ 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;
@@ -88,7 +86,6 @@ class OffTheRecordProfileImpl : public Profile,
 
   virtual void OnBrowserAdded(const Browser* browser) OVERRIDE;
   virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE;
-  virtual ExtensionInfoMap* GetExtensionInfoMap() OVERRIDE;
   virtual ChromeURLDataManager* GetChromeURLDataManager() OVERRIDE;
   virtual PromoCounter* GetInstantPromoCounter() OVERRIDE;
 
@@ -136,11 +133,6 @@ 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_;