Store recording invalidations in DisplayListRecordingSource, save them via Update.

cc/playback/display_list_recording_source.h

 // 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.
 
 #ifndef CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
 #define CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
+#include "cc/base/invalidation_region.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 
 namespace proto {
 class DisplayListRecordingSource;
 }  // namespace proto
 
@@ skipping 32 matching lines @@
                                    const gfx::Rect& visible_layer_rect,
                                    int frame_number,
                                    RecordingMode recording_mode);
   gfx::Size GetSize() const;
   void SetEmptyBounds();
   void SetSlowdownRasterScaleFactor(int factor);
   void SetGenerateDiscardableImagesMetadata(bool generate_metadata);
   void SetBackgroundColor(SkColor background_color);
   void SetRequiresClear(bool requires_clear);
 
+  void SetNeedsDisplayRect(const gfx::Rect& layer_rect);
+
   // These functions are virtual for testing.
   virtual scoped_refptr<DisplayListRasterSource> CreateRasterSource(
       bool can_use_lcd_text) const;
   virtual bool IsSuitableForGpuRasterization() const;
 
   gfx::Rect recorded_viewport() const { return recorded_viewport_; }
 
  protected:
   void Clear();
 
@@ skipping 13 matching lines @@
  private:
   void UpdateInvalidationForNewViewport(const gfx::Rect& old_recorded_viewport,
                                         const gfx::Rect& new_recorded_viewport,
                                         Region* invalidation);
   void FinishDisplayItemListUpdate();
 
   friend class DisplayListRasterSource;
 
   void DetermineIfSolidColor();
 
+  InvalidationRegion invalidation_;
+
   DISALLOW_COPY_AND_ASSIGN(DisplayListRecordingSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_