cc: Clean up RecordingSource API

cc/playback/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_RECORDING_SOURCE_H_
 #define CC_PLAYBACK_RECORDING_SOURCE_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.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 {
+
+#ifdef NDEBUG
+const bool kDefaultClearCanvasSetting = false;
+#else
+const bool kDefaultClearCanvasSetting = true;
+#endif
+
+}  // namespace
+
 namespace cc {
 
-namespace proto {
-class RecordingSource;
-}  // namespace proto
-
 class ClientPictureCache;
 class ContentLayerClient;
 class DisplayItemList;
 class RasterSource;
 class Region;
 
+struct PictureLayerData {
+  PictureLayerData();
+  ~PictureLayerData();
+
+  gfx::Size size;
+  int slow_down_raster_scale_factor_for_debug = 0;
+  bool generate_discardable_images_metadata = false;
+  bool requires_clear = false;
+  bool is_solid_color = false;
+  bool clear_canvas_with_debug_color = kDefaultClearCanvasSetting;
+  SkColor solid_color = SK_ColorTRANSPARENT;
+  SkColor background_color = SK_ColorTRANSPARENT;
+
+  void reset() {
+    slow_down_raster_scale_factor_for_debug = 0;
+    generate_discardable_images_metadata = false;
+    requires_clear = false;
+    is_solid_color = false;
+    clear_canvas_with_debug_color = kDefaultClearCanvasSetting;
+    solid_color = SK_ColorTRANSPARENT;
+    background_color = SK_ColorTRANSPARENT;
+  }
+};
+
+// Encapsulates all data received from the ContentLayerClient.
+struct ContentLayerClientData {
+  ContentLayerClientData();
+  ContentLayerClientData(const ContentLayerClientData&);
+  ~ContentLayerClientData();
+
+  gfx::Rect recorded_viewport;
+  scoped_refptr<DisplayItemList> display_list;
+  size_t painter_reported_memory_usage = 0;
+
+  void reset() { painter_reported_memory_usage = 0; }
+};
+
+namespace proto {
+class RecordingSource;
+}  // namespace proto
+
 class CC_EXPORT RecordingSource {
  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,
     RECORD_WITH_SUBSEQUENCE_CACHING_DISABLED,
     RECORDING_MODE_COUNT,  // Must be the last entry.
   };
 
-  RecordingSource();
+  RecordingSource(const PictureLayerData& plp_data,
+                  const ContentLayerClientData& clc_data);
   virtual ~RecordingSource();
 
-  void ToProtobuf(proto::RecordingSource* proto) const;
-  void FromProtobuf(const proto::RecordingSource& proto,
-                    ClientPictureCache* client_picture_cache,
-                    std::vector<uint32_t>* used_engine_picture_ids);
-
-  bool UpdateAndExpandInvalidation(ContentLayerClient* painter,
-                                   Region* invalidation,
-                                   const gfx::Size& layer_size,
-                                   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<RasterSource> CreateRasterSource(
       bool can_use_lcd_text) const;
-  virtual bool IsSuitableForGpuRasterization() const;
-
-  gfx::Rect recorded_viewport() const { return recorded_viewport_; }
-
-  const DisplayItemList* GetDisplayItemList();
 
  protected:
-  void Clear();
-
   gfx::Rect recorded_viewport_;
   gfx::Size size_;
   int slow_down_raster_scale_factor_for_debug_;
   bool generate_discardable_images_metadata_;
   bool requires_clear_;
   bool is_solid_color_;
   bool clear_canvas_with_debug_color_;
   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 RasterSource;
 
-  void DetermineIfSolidColor();
-
-  InvalidationRegion invalidation_;
-
   DISALLOW_COPY_AND_ASSIGN(RecordingSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_RECORDING_SOURCE_H_