Make panel window's header color customizable in Ash.

ash/wm/panels/panel_frame_view.cc

 // Copyright (c) 2012 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 "ash/wm/panels/panel_frame_view.h"
 
 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
 #include "ash/frame/default_header_painter.h"
 #include "ash/frame/frame_border_hit_test_controller.h"
 #include "ui/base/hit_test.h"
@@ skipping 14 matching lines @@
       frame_border_hit_test_controller_(
           new FrameBorderHitTestController(frame_)) {
   DCHECK(!frame_->widget_delegate()->CanMaximize());
   if (frame_type != FRAME_NONE)
     InitHeaderPainter();
 }
 
 PanelFrameView::~PanelFrameView() {
 }
 
+void PanelFrameView::SetFrameColors(SkColor active_frame_color,
+                                    SkColor inactive_frame_color) {
+  header_painter_->SetFrameColors(active_frame_color, inactive_frame_color);
+}
+
 const char* PanelFrameView::GetClassName() const {
   return kViewClassName;
 }
 
 void PanelFrameView::InitHeaderPainter() {
   header_painter_.reset(new DefaultHeaderPainter);
 
   caption_button_container_ = new FrameCaptionButtonContainerView(frame_);
   AddChildView(caption_button_container_);
 
@@ skipping 79 matching lines @@
 }
 
 gfx::Rect PanelFrameView::GetWindowBoundsForClientBounds(
     const gfx::Rect& client_bounds) const {
   gfx::Rect window_bounds = client_bounds;
   window_bounds.Inset(0, -NonClientTopBorderHeight(), 0, 0);
   return window_bounds;
 }
 
 }  // namespace ash