Serialize DisplayListRecordingSource to protos.

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 "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.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;
+}
+
 class ContentLayerClient;
 class DisplayItemList;
 class DisplayListRasterSource;
 class Region;
 
 class CC_EXPORT DisplayListRecordingSource {
  public:
   // TODO(schenney) Remove RECORD_WITH_SK_NULL_CANVAS when we no longer
   // support a non-Slimming Paint path.
   enum RecordingMode {
     RECORD_NORMALLY,
     RECORD_WITH_SK_NULL_CANVAS,
     RECORD_WITH_PAINTING_DISABLED,
     RECORD_WITH_CACHING_DISABLED,
     RECORD_WITH_CONSTRUCTION_DISABLED,
     RECORDING_MODE_COUNT,  // Must be the last entry.
   };
 
   DisplayListRecordingSource();
   virtual ~DisplayListRecordingSource();
 
+  void ToProtobuf(proto::DisplayListRecordingSource* proto) const;
+  void FromProtobuf(const proto::DisplayListRecordingSource& proto);
+
   bool UpdateAndExpandInvalidation(ContentLayerClient* painter,
                                    Region* invalidation,
                                    const gfx::Size& layer_size,
                                    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);
@@ skipping 20 matching lines @@
   SkColor solid_color_;
   SkColor background_color_;
 
   scoped_refptr<DisplayItemList> display_list_;
   size_t painter_reported_memory_usage_;
 
  private:
   void UpdateInvalidationForNewViewport(const gfx::Rect& old_recorded_viewport,
                                         const gfx::Rect& new_recorded_viewport,
                                         Region* invalidation);
+  void FinishDisplayItemListUpdate();
 
   friend class DisplayListRasterSource;
 
   void DetermineIfSolidColor();
 
   DISALLOW_COPY_AND_ASSIGN(DisplayListRecordingSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_