Make DevToolsManager a singleton, remove it from ContentBrowserClient

content/browser/mock_content_browser_client.cc

 // 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.
 
 #include "content/browser/mock_content_browser_client.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/file_path.h"
@@ skipping 232 matching lines @@
 
 ui::Clipboard* MockContentBrowserClient::GetClipboard() {
   static ui::Clipboard clipboard;
   return &clipboard;
 }
 
 MHTMLGenerationManager* MockContentBrowserClient::GetMHTMLGenerationManager() {
   return NULL;
 }
 
-DevToolsManager* MockContentBrowserClient::GetDevToolsManager() {
-  return NULL;
-}
-
 net::NetLog* MockContentBrowserClient::GetNetLog() {
   return NULL;
 }
 
 speech_input::SpeechInputManager*
     MockContentBrowserClient::GetSpeechInputManager() {
   return NULL;
 }
 
 AccessTokenStore* MockContentBrowserClient::CreateAccessTokenStore() {
@@ skipping 51 matching lines @@
 #endif
 
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     MockContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
   return NULL;
 }
 #endif
 
 }  // namespace content