Move ExtensionHost from src/chrome to src/extensions

chrome/browser/extensions/chrome_extension_host_delegate.cc

 // Copyright 2014 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/chrome_extension_host_delegate.h"
 
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
-#include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
+#include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_system.h"
 
 namespace extensions {
 
 ChromeExtensionHostDelegate::ChromeExtensionHostDelegate() {}
 
 ChromeExtensionHostDelegate::~ChromeExtensionHostDelegate() {}
 
 void ChromeExtensionHostDelegate::OnExtensionHostCreated(
     content::WebContents* web_contents) {
@@ skipping 26 matching lines @@
 void ChromeExtensionHostDelegate::ProcessMediaAccessRequest(
     content::WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback,
     const Extension* extension) {
   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
       web_contents, request, callback, extension);
 }
 
 }  // namespace extensions