Remove some TabContentses from extensions.

chrome/browser/extensions/extension_devtools_bridge.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/extension_devtools_bridge.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
@@ skipping 40 matching lines @@
   std::string json;
   base::JSONWriter::Write(&message, &json);
   return json;
 }
 
 bool ExtensionDevToolsBridge::RegisterAsDevToolsClientHost() {
   DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
 
   Browser* browser;
   TabStripModel* tab_strip;
-  TabContents* contents;
+  WebContents* contents;
   int tab_index;
   if (ExtensionTabUtil::GetTabById(tab_id_, profile_, true,
                                    &browser, &tab_strip,
                                    &contents, &tab_index)) {
     DevToolsManager* devtools_manager = DevToolsManager::GetInstance();
     DevToolsAgentHost* agent = DevToolsAgentHostRegistry::GetDevToolsAgentHost(
-        contents->web_contents()->GetRenderViewHost());
+        contents->GetRenderViewHost());
     if (devtools_manager->GetDevToolsClientHostFor(agent))
       return false;
 
     devtools_manager->RegisterDevToolsClientHostFor(agent, this);
 
     // Following messages depend on inspector protocol that is not yet
     // finalized.
 
     // 1. Start timeline profiler.
     devtools_manager->DispatchOnInspectorBackend(
@@ skipping 48 matching lines @@
 
   profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
       on_page_event_name_, arguments.Pass(), profile_, GURL(),
       extensions::EventFilteringInfo());
 }
 
 void ExtensionDevToolsBridge::ContentsReplaced(WebContents* new_contents) {
   // We don't update the tab id as it needs to remain the same so that we can
   // properly unregister.
 }