Extract NativeAppWindow from src/extensions

chrome/browser/ui/apps/chrome_app_window_client.h

Index: chrome/browser/ui/apps/chrome_app_window_client.h
diff --git a/chrome/browser/ui/apps/chrome_app_window_client.h b/chrome/browser/ui/apps/chrome_app_window_client.h
index 6e10ffaf6034eb42d747730ee0a5c93d29c0326c..14e228dc7af6fe5eef09fa02b4321a4d27129327 100644
--- a/chrome/browser/ui/apps/chrome_app_window_client.h
+++ b/chrome/browser/ui/apps/chrome_app_window_client.h
@@ -28,17 +28,17 @@ class ChromeAppWindowClient : public extensions::AppWindowClient {
   virtual extensions::AppWindow* CreateAppWindow(
       content::BrowserContext* context,
       const extensions::Extension* extension) OVERRIDE;
-  virtual extensions::NativeAppWindow* CreateNativeAppWindow(
+  virtual native_app_window::NativeAppWindow* CreateNativeAppWindow(
       extensions::AppWindow* window,
-      const extensions::AppWindow::CreateParams& params) OVERRIDE;
+      const native_app_window::AppWindowCreateParams& params) OVERRIDE;
   virtual void OpenDevToolsWindow(content::WebContents* web_contents,
                                   const base::Closure& callback) OVERRIDE;
   virtual bool IsCurrentChannelOlderThanDev() OVERRIDE;
 
   // Implemented in platform specific code.
-  static extensions::NativeAppWindow* CreateNativeAppWindowImpl(
+  static native_app_window::NativeAppWindow* CreateNativeAppWindowImpl(
       extensions::AppWindow* window,
-      const extensions::AppWindow::CreateParams& params);
+      const native_app_window::AppWindowCreateParams& params);
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAppWindowClient);
 };