Adding overview / layer framework to Activities so that unloaded / sleeping activities can be shown…

athena/test/sample_activity.cc

 // 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.
 
 #include "athena/test/sample_activity.h"
 
 #include "ui/views/background.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
@@ skipping 63 matching lines @@
     contents_view_->set_background(
         views::Background::CreateSolidBackground(contents_color_));
   }
   return contents_view_;
 }
 
 views::Widget* SampleActivity::CreateWidget() {
   return NULL;
 }
 
-void SampleActivity::CreateOverviewModeImage() {
-}
-
 gfx::ImageSkia SampleActivity::GetOverviewModeImage() {
   return gfx::ImageSkia();
 }
 
 void SampleActivity::PrepareContentsForOverview() {
 }
 
 void SampleActivity::ResetContentsView() {
 }
 
 }  // namespace test
 }  // namespace athena