Add frame color option to packaged app windows.

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

 // 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.
 
 #include "chrome/browser/ui/gtk/apps/native_app_window_gtk.h"
 
 #include <gdk/gdkx.h>
 #include <vector>
 
 #include "base/message_loop/message_pump_gtk.h"
@@ skipping 650 matching lines @@
 
 void NativeAppWindowGtk::HandleKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   // No-op.
 }
 
 bool NativeAppWindowGtk::IsFrameless() const {
   return frameless_;
 }
 
+bool NativeAppWindowGtk::HasFrameColor() const {
+  return false;
+}
+
+SkColor NativeAppWindowGtk::FrameColor() const {
+  return SkColor();
+}
+
 gfx::Insets NativeAppWindowGtk::GetFrameInsets() const {
   if (frameless_)
     return gfx::Insets();
   GdkWindow* gdk_window = gtk_widget_get_window(GTK_WIDGET(window_));
   if (!gdk_window)
     return gfx::Insets();
 
   gint current_width = 0;
   gint current_height = 0;
   gtk_window_get_size(window_, &current_width, &current_height);
@@ skipping 35 matching lines @@
     hints_mask |= GDK_HINT_MAX_SIZE;
   }
   if (hints_mask) {
     gtk_window_set_geometry_hints(
         window_,
         GTK_WIDGET(window_),
         &hints,
         static_cast<GdkWindowHints>(hints_mask));
   }
 }