Add second copy request after screen rotation to flatten the layers in animation.

ash/utility/screenshot_controller.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 "ash/utility/screenshot_controller.h"
 
 #include <cmath>
 
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
+#include "ash/utility/transformer_util.h"

[oshima, 2017/04/13 23:51:45]

is this used?

[wutao, 2017/04/14 00:17:54]

Ha, will remove.

 #include "ash/wm/window_util.h"
 #include "base/memory/ptr_util.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/compositor/paint_recorder.h"
 #include "ui/display/screen.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/event_handler.h"
@@ skipping 522 matching lines @@
 
 void ScreenshotController::OnDisplayMetricsChanged(
     const display::Display& display,
     uint32_t changed_metrics) {}
 
 void ScreenshotController::OnWindowDestroying(aura::Window* window) {
   SetSelectedWindow(nullptr);
 }
 
 }  // namespace ash