Move ExtensionHost into extensions namespace

chrome/browser/speech/speech_input_extension_manager.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/speech/speech_input_extension_manager.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 237 matching lines @@
   VLOG(1) << "State changed to idle. Deassociating any extensions.";
   state_ = kIdle;
   extension_id_in_use_.clear();
 }
 
 int SpeechInputExtensionManager::GetRenderProcessIDForExtension(
     const std::string& extension_id) const {
   ExtensionProcessManager* epm =
       extensions::ExtensionSystem::Get(profile_)->process_manager();
   DCHECK(epm);
-  ExtensionHost* eh = epm->GetBackgroundHostForExtension(extension_id);
+  extensions::ExtensionHost* eh =
+      epm->GetBackgroundHostForExtension(extension_id);
   DCHECK(eh);
   content::RenderProcessHost* rph = eh->render_process_host();
   DCHECK(rph);
   return rph->GetID();
 }
 
 void SpeechInputExtensionManager::OnRecognitionResult(
     int session_id,
     const content::SpeechRecognitionResult& result) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ skipping 496 matching lines @@
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_SPEECH_INPUT_RECORDING_STOPPED,
       // Guarded by the state_ == kShutdown check.
       content::Source<Profile>(profile_),
       content::Details<std::string>(&extension_id));
 }
 
 void SpeechInputExtensionManager::OnAudioLevelsChange(int session_id,
                                                       float volume,
                                                       float noise_volume) {}