Update from https://crrev.com/306655

cc/resources/display_list_raster_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_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
+#define CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
+
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/base/cc_export.h"
+#include "cc/debug/rendering_stats_instrumentation.h"
+#include "cc/resources/display_list_recording_source.h"
+#include "cc/resources/raster_source.h"
+#include "skia/ext/analysis_canvas.h"
+#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkPicture.h"
+
+namespace cc {
+class DisplayItemList;
+
+class CC_EXPORT DisplayListRasterSource : public RasterSource {
+ public:
+  static scoped_refptr<DisplayListRasterSource> Create();
+  static scoped_refptr<DisplayListRasterSource>
+  CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other);
+
+  // RasterSource overrides.
+  void PlaybackToCanvas(SkCanvas* canvas,
+                        const gfx::Rect& canvas_rect,
+                        float contents_scale) const override;
+  void PlaybackToSharedCanvas(SkCanvas* canvas,
+                              const gfx::Rect& canvas_rect,
+                              float contents_scale) const override;
+  void PerformSolidColorAnalysis(
+      const gfx::Rect& content_rect,
+      float contents_scale,
+      RasterSource::SolidColorAnalysis* analysis) const override;
+  bool IsSolidColor() const override;
+  SkColor GetSolidColor() const override;
+  gfx::Size GetSize() const override;
+  void GatherPixelRefs(const gfx::Rect& content_rect,
+                       float contents_scale,
+                       std::vector<SkPixelRef*>* pixel_refs) const override;
+  bool CoversRect(const gfx::Rect& content_rect,
+                  float contents_scale) const override;
+  bool HasRecordings() const override;
+  void SetShouldAttemptToUseDistanceFieldText() override;
+  void SetBackgoundColor(SkColor background_color) override;
+  void SetRequiresClear(bool requires_clear) override;
+  bool ShouldAttemptToUseDistanceFieldText() const override;
+  void DidBeginTracing() override;
+  void AsValueInto(base::debug::TracedValue* array) const override;
+  skia::RefPtr<SkPicture> GetFlattenedPicture() override;
+  size_t GetPictureMemoryUsage() const override;
+  bool CanUseLCDText() const override;
+
+ protected:
+  DisplayListRasterSource();
+  explicit DisplayListRasterSource(const DisplayListRecordingSource* other);
+  ~DisplayListRasterSource() override;
+
+  scoped_refptr<DisplayItemList> display_list_;
+  SkColor background_color_;
+  bool requires_clear_;
+  bool can_use_lcd_text_;
+  bool is_solid_color_;
+  SkColor solid_color_;
+  gfx::Rect recorded_viewport_;
+  gfx::Size size_;
+  bool clear_canvas_with_debug_color_;
+  int slow_down_raster_scale_factor_for_debug_;
+
+ private:
+  // Called when analyzing a tile. We can use AnalysisCanvas as
+  // SkDrawPictureCallback, which allows us to early out from analysis.
+  void RasterForAnalysis(skia::AnalysisCanvas* canvas,
+                         const gfx::Rect& canvas_rect,
+                         float contents_scale) const;
+
+  void RasterCommon(SkCanvas* canvas,
+                    SkDrawPictureCallback* callback,
+                    const gfx::Rect& canvas_rect,
+                    float contents_scale,
+                    bool is_analysis) const;
+
+  bool should_attempt_to_use_distance_field_text_;
+
+  DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource);
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_