[Extensions] Move Feature channel code into //extensions

chrome/browser/ui/apps/chrome_app_window_client.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/ui/apps/chrome_app_window_client.h"
 
 #include "base/memory/singleton.h"
 #include "build/build_config.h"
 #include "chrome/browser/devtools/devtools_window.h"
-#include "chrome/common/extensions/features/feature_channel.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/common/extension.h"
+#include "extensions/common/features/feature_channel.h"
 
 // TODO(jamescook): We probably shouldn't compile this class at all on Android.
 // See http://crbug.com/343612
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/apps/chrome_app_delegate.h"
 #endif
 
 ChromeAppWindowClient::ChromeAppWindowClient() {
 }
 
@@ skipping 39 matching lines @@
       DevToolsWindow::FindDevToolsWindow(agent.get());
   if (devtools_window)
     devtools_window->SetLoadCompletedCallback(callback);
   else
     callback.Run();
 }
 
 bool ChromeAppWindowClient::IsCurrentChannelOlderThanDev() {
   return extensions::GetCurrentChannel() > version_info::Channel::DEV;
 }