Add frame color option to packaged app windows.

apps/app_window.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_APP_WINDOW_H_
 #define APPS_APP_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/extension_icon_image.h"
@@ skipping 139 matching lines @@
     gfx::Size minimum_size_;
     gfx::Size maximum_size_;
   };
 
   struct CreateParams {
     CreateParams();
     ~CreateParams();
 
     WindowType window_type;
     Frame frame;
+
+    bool has_frame_color;
+    SkColor frame_color;
     bool transparent_background;  // Only supported on ash.
 
     // Specify the initial content bounds of the window (excluding any window
     // decorations). INT_MIN designates 'unspecified' for the position
     // components, and 0 for the size components. When unspecified, they should
     // be replaced with a default value.
     gfx::Rect bounds;
 
     gfx::Size minimum_size;
     gfx::Size maximum_size;
@@ skipping 375 matching lines @@
   // reinstated when the window exits fullscreen and moves away from the
   // taskbar.
   bool cached_always_on_top_;
 
   DISALLOW_COPY_AND_ASSIGN(AppWindow);
 };
 
 }  // namespace apps
 
 #endif  // APPS_APP_WINDOW_H_