Remove chrome dependencies from app_window_api.cc

apps/ui/apps_client.h

 // 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.
 
 #ifndef APPS_UI_APPS_CLIENT_H_
 #define APPS_UI_APPS_CLIENT_H_
 
 #include <vector>
 
 #include "apps/app_window.h"
+#include "base/callback_forward.h"
 
 namespace content {
 class BrowserContext;
+class WebContents;
 }
 
 namespace extensions {
 class Extension;
 class NativeAppWindow;
 }
 
 namespace apps {
 
 // Sets up global state for the apps system. Should be Set() once in each
@@ skipping 12 matching lines @@
   // Creates a new extensions::NativeAppWindow for |window|.
   virtual extensions::NativeAppWindow* CreateNativeAppWindow(
       AppWindow* window,
       const AppWindow::CreateParams& params) = 0;
 
   // A positive keep-alive count is a request for the embedding application to
   // keep running after all windows are closed. The count starts at zero.
   virtual void IncrementKeepAliveCount() = 0;
   virtual void DecrementKeepAliveCount() = 0;
 
+  // Opens DevTools window and runs the callback.
+  virtual void OpenDevToolsWindow(content::WebContents* web_contents,
+                                  const base::Closure& callback) = 0;
+
+  // Returns true if the current channel is older than dev.
+  virtual bool IsCurrentChannelOlderThanDev() = 0;
+
   // Return the apps client.
   static AppsClient* Get();
 
   // Initialize the apps system with this apps client.
   static void Set(AppsClient* client);
 };
 
 }  // namespace apps
 
 #endif  // APPS_UI_APPS_CLIENT_H_