Reland of [ash-md] Fades overview header in and out

ash/common/frame/custom_frame_view_ash.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/common/frame/custom_frame_view_ash.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/common/frame/caption_buttons/frame_caption_button_container_view.h"
@@ skipping 177 matching lines @@
     bool enable_immersive)
     : frame_(frame),
       header_view_(new HeaderView(frame)),
       immersive_delegate_(immersive_delegate ? immersive_delegate
                                              : header_view_) {
   WmWindow* frame_window = WmLookup::Get()->GetWindowForWidget(frame);
   frame_window->InstallResizeHandleWindowTargeter(nullptr);
   // |header_view_| is set as the non client view's overlay view so that it can
   // overlay the web contents in immersive fullscreen.
   frame->non_client_view()->SetOverlayView(new OverlayView(header_view_));
+  frame_window->SetColorProperty(WmWindowProperty::TOP_VIEW_COLOR,
+                                 header_view_->GetInactiveFrameColor());
 
   // A delegate for a more complex way of fullscreening the window may already
   // be set. This is the case for packaged apps.
   wm::WindowState* window_state = frame_window->GetWindowState();
   if (!window_state->HasDelegate()) {
     window_state->SetDelegate(std::unique_ptr<wm::WindowStateDelegate>(
         new CustomFrameViewAshWindowStateDelegate(window_state, this,
                                                   enable_immersive)));
   }
 }
 
 CustomFrameViewAsh::~CustomFrameViewAsh() {}
 
 void CustomFrameViewAsh::InitImmersiveFullscreenControllerForView(
     ImmersiveFullscreenController* immersive_fullscreen_controller) {
   immersive_fullscreen_controller->Init(immersive_delegate_, frame_,
                                         header_view_);
 }
 
 void CustomFrameViewAsh::SetFrameColors(SkColor active_frame_color,
                                         SkColor inactive_frame_color) {
   header_view_->SetFrameColors(active_frame_color, inactive_frame_color);
+  WmWindow* frame_window = WmLookup::Get()->GetWindowForWidget(frame_);
+  frame_window->SetColorProperty(WmWindowProperty::TOP_VIEW_COLOR,
+                                 header_view_->GetInactiveFrameColor());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // CustomFrameViewAsh, views::NonClientFrameView overrides:
 
 gfx::Rect CustomFrameViewAsh::GetBoundsForClientView() const {
   gfx::Rect client_bounds = bounds();
   client_bounds.Inset(0, NonClientTopBorderHeight(), 0, 0);
   return client_bounds;
 }
@@ skipping 118 matching lines @@
 FrameCaptionButtonContainerView*
 CustomFrameViewAsh::GetFrameCaptionButtonContainerViewForTest() {
   return header_view_->caption_button_container();
 }
 
 int CustomFrameViewAsh::NonClientTopBorderHeight() const {
   return frame_->IsFullscreen() ? 0 : header_view_->GetPreferredHeight();
 }
 
 }  // namespace ash