Set extension-related webkit preferences in a common location.

chrome/browser/chrome_content_browser_client.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 95 matching lines @@
   virtual std::string GetWorkerProcessTitle(
       const GURL& url, const content::ResourceContext& context) OVERRIDE;
   virtual ResourceDispatcherHost* GetResourceDispatcherHost() OVERRIDE;
   virtual ui::Clipboard* GetClipboard() OVERRIDE;
   virtual MHTMLGenerationManager* GetMHTMLGenerationManager() OVERRIDE;
   virtual DevToolsManager* GetDevToolsManager() OVERRIDE;
   virtual net::NetLog* GetNetLog() OVERRIDE;
   virtual speech_input::SpeechInputManager* GetSpeechInputManager() OVERRIDE;
   virtual AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
   virtual bool IsFastShutdownPossible() OVERRIDE;
-  virtual WebPreferences GetWebkitPrefs(
-      content::BrowserContext* browser_context,
-      bool is_web_ui) OVERRIDE;
+  virtual WebPreferences GetWebkitPrefs(RenderViewHost* rvh) OVERRIDE;
   virtual void UpdateInspectorSetting(RenderViewHost* rvh,
                                       const std::string& key,
                                       const std::string& value) OVERRIDE;
   virtual void ClearInspectorSettings(RenderViewHost* rvh) OVERRIDE;
   virtual void BrowserURLHandlerCreated(BrowserURLHandler* handler) OVERRIDE;
   virtual void ClearCache(RenderViewHost* rvh) OVERRIDE;
   virtual void ClearCookies(RenderViewHost* rvh) OVERRIDE;
   virtual FilePath GetDefaultDownloadDirectory() OVERRIDE;
   virtual std::string GetDefaultDownloadName() OVERRIDE;
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   virtual int GetCrashSignalFD(const CommandLine& command_line) OVERRIDE;
 #endif
 #if defined(OS_WIN)
   virtual const wchar_t* GetResourceDllName() OVERRIDE;
 #endif
 #if defined(USE_NSS)
   virtual
       crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
           const GURL& url) OVERRIDE;
 #endif
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_