Add frame color option to packaged app windows.

chrome/browser/ui/gtk/apps/native_app_window_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_APPS_NATIVE_APP_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_APPS_NATIVE_APP_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "apps/app_window.h"
@@ skipping 61 matching lines @@
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
   virtual void UpdateBadgeIcon() OVERRIDE;
   virtual void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
   virtual SkRegion* GetDraggableRegion() OVERRIDE;
   virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
   virtual void HandleKeyboardEvent(
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool IsFrameless() const OVERRIDE;
+  virtual bool HasFrameColor() const OVERRIDE;
+  virtual SkColor FrameColor() const OVERRIDE;
   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
   virtual void HideWithApp() OVERRIDE;
   virtual void ShowWithApp() OVERRIDE;
   // Calls gtk_window_set_geometry_hints with the current size constraints.
   virtual void UpdateWindowMinMaxSize() OVERRIDE;
 
   // web_modal::WebContentsModalDialogHost implementation.
   virtual gfx::NativeView GetHostView() const OVERRIDE;
   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
@@ skipping 91 matching lines @@
 
   ui::X11AtomCache atom_cache_;
 
   // True if we listen for the XEvent.
   bool is_x_event_listened_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_APPS_NATIVE_APP_WINDOW_GTK_H_