Implements core logic for Pixel Canvas

ui/compositor/compositor_switches.h

 // 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.
 
 #ifndef UI_COMPOSITOR_COMPOSITOR_SWITCHES_H_
 #define UI_COMPOSITOR_COMPOSITOR_SWITCHES_H_
 
 #include "ui/compositor/compositor_export.h"
 
 namespace switches {
 
 COMPOSITOR_EXPORT extern const char kEnableHardwareOverlays[];
 COMPOSITOR_EXPORT extern const char kEnablePixelOutputInTests[];
 COMPOSITOR_EXPORT extern const char kUIDisablePartialSwap[];
 COMPOSITOR_EXPORT extern const char kUIEnableRGBA4444Textures[];
 COMPOSITOR_EXPORT extern const char kUIEnableZeroCopy[];
 COMPOSITOR_EXPORT extern const char kUIShowPaintRects[];
 COMPOSITOR_EXPORT extern const char kUISlowAnimations[];
+COMPOSITOR_EXPORT extern const char kEnablePixelCanvasRecording[];
 
 }  // namespace switches
 
 namespace ui {
 
 bool IsUIZeroCopyEnabled();
 
+bool IsPixelCanvasRecordingEnabled();
+COMPOSITOR_EXPORT void SetPixelCanvasForTesting(bool value);
+
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_COMPOSITOR_SWITCHES_H_