cc: Clean up RecordingSource API

cc/layers/picture_layer.h

 // Copyright 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 CC_LAYERS_PICTURE_LAYER_H_
 #define CC_LAYERS_PICTURE_LAYER_H_
 
 #include "base/macros.h"
 #include "cc/base/invalidation_region.h"
 #include "cc/debug/devtools_instrumentation.h"
 #include "cc/debug/micro_benchmark_controller.h"
 #include "cc/layers/layer.h"
 
 namespace cc {
 
+namespace proto {
+class PictureLayerProperties;
+}
+
 class ContentLayerClient;
+class DisplayItemList;
 class RecordingSource;
 class ResourceUpdateQueue;
 
 class CC_EXPORT PictureLayer : public Layer {
  public:
   static scoped_refptr<PictureLayer> Create(ContentLayerClient* client);
 
   void ClearClient();
 
   void SetNearestNeighbor(bool nearest_neighbor);
@@ skipping 24 matching lines @@
   ~PictureLayer() override;
 
   bool HasDrawableContent() const override;
   void SetTypeForProtoSerialization(proto::LayerNode* proto) const override;
   void LayerSpecificPropertiesToProto(proto::LayerProperties* proto) override;
   void FromLayerSpecificPropertiesProto(
       const proto::LayerProperties& proto) override;
 
   bool is_mask() const { return is_mask_; }
 
+  // Encapsulates all data, callbacks or interfaces received from the embedder.
+  struct Inputs {

[vmpstr, 2016/07/25 20:29:14]

types should be defined at the beginning of the access block (right after
"protected:" in this case)

[Menglin, 2016/07/25 21:58:52]

Done.

+    Inputs();
+    ~Inputs();
+
+    ContentLayerClient* client = nullptr;
+    bool nearest_neighbor = false;
+    gfx::Rect recorded_viewport;
+    scoped_refptr<DisplayItemList> display_list;
+    size_t painter_reported_memory_usage = 0;
+  };
+
+  Inputs inputs_;
+
  private:
   friend class TestSerializationPictureLayer;
 
   void DropRecordingSourceContentIfInvalid();
 
   std::unique_ptr<RecordingSource> recording_source_;
   devtools_instrumentation::
       ScopedLayerObjectTracker instrumentation_object_tracker_;
 
   Region last_updated_invalidation_;
 
   int update_source_frame_number_;
   bool is_mask_;
 
-  // Encapsulates all data, callbacks or interfaces received from the embedder.
-  struct Inputs {
-    ContentLayerClient* client = nullptr;
-    bool nearest_neighbor = false;
-  };
-
-  Inputs inputs_;
-
   DISALLOW_COPY_AND_ASSIGN(PictureLayer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_PICTURE_LAYER_H_