Move extension_messages.h to extensions/common.

apps/app_window_contents.cc

 // Copyright 2013 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 "apps/app_window_contents.h"
 
 #include "apps/ui/native_app_window.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/common/extensions/api/app_window.h"
-#include "chrome/common/extensions/extension_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
+#include "extensions/common/extension_messages.h"
 
 namespace app_window = extensions::api::app_window;
 
 namespace apps {
 
 AppWindowContentsImpl::AppWindowContentsImpl(AppWindow* host) : host_(host) {}
 
 AppWindowContentsImpl::~AppWindowContentsImpl() {}
 
 void AppWindowContentsImpl::Initialize(content::BrowserContext* context,
@@ skipping 124 matching lines @@
     content::RenderViewHost* rvh) {
   DCHECK(rvh);
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&content::ResourceDispatcherHost::BlockRequestsForRoute,
                  base::Unretained(content::ResourceDispatcherHost::Get()),
                  rvh->GetProcess()->GetID(), rvh->GetRoutingID()));
 }
 
 }  // namespace apps