cc: Rename ImageDecodeController to ImageDecodeCache.

cc/playback/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_PLAYBACK_RASTER_SOURCE_H_
 #define CC_PLAYBACK_RASTER_SOURCE_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 #include "cc/playback/recording_source.h"
 #include "skia/ext/analysis_canvas.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace gfx {
 class ColorSpace;
 }
 
 namespace cc {
 class DisplayItemList;
 class DrawImage;
-class ImageDecodeController;
+class ImageDecodeCache;
 
 class CC_EXPORT RasterSource : public base::RefCountedThreadSafe<RasterSource> {
  public:
   struct CC_EXPORT PlaybackSettings {
     PlaybackSettings();
 
     // If set to true, this indicates that the canvas has already been
     // rasterized into. This means that the canvas cannot be cleared safely.
     bool playback_to_shared_canvas;
 
@@ skipping 83 matching lines @@
   virtual sk_sp<SkPicture> GetFlattenedPicture();
   virtual size_t GetPictureMemoryUsage() const;
 
   // Return true if LCD anti-aliasing may be used when rastering text.
   virtual bool CanUseLCDText() const;
 
   scoped_refptr<RasterSource> CreateCloneWithoutLCDText() const;
 
   // Image decode controller should be set once. Its lifetime has to exceed that
   // of the raster source, since the raster source will access it during raster.
-  void set_image_decode_controller(
-      ImageDecodeController* image_decode_controller) {
-    DCHECK(image_decode_controller);
-    image_decode_controller_ = image_decode_controller;
+  void set_image_decode_cache(ImageDecodeCache* image_decode_cache) {
+    DCHECK(image_decode_cache);
+    image_decode_cache_ = image_decode_cache;
   }
 
-  // Returns the ImageDecodeController, currently only used by
+  // Returns the ImageDecodeCache, currently only used by
   // GpuRasterBufferProvider in order to create its own ImageHijackCanvas.
   // Because of the MultiPictureDraw approach used by GPU raster, it does not
   // integrate well with the use of the ImageHijackCanvas internal to this
   // class. See gpu_raster_buffer_provider.cc for more information.
   // TODO(crbug.com/628394): Redesign this to avoid exposing
-  // ImageDecodeController from the raster source.
-  ImageDecodeController* image_decode_controller() const {
-    return image_decode_controller_;
-  }
+  // ImageDecodeCache from the raster source.
+  ImageDecodeCache* image_decode_cache() const { return image_decode_cache_; }
 
  protected:
   friend class base::RefCountedThreadSafe<RasterSource>;
 
   RasterSource(const RecordingSource* other, bool can_use_lcd_text);
   RasterSource(const RasterSource* other, bool can_use_lcd_text);
   virtual ~RasterSource();
 
   // These members are const as this raster source may be in use on another
   // thread and so should not be touched after construction.
   const scoped_refptr<DisplayItemList> display_list_;
   const size_t painter_reported_memory_usage_;
   const SkColor background_color_;
   const bool requires_clear_;
   const bool can_use_lcd_text_;
   const bool is_solid_color_;
   const SkColor solid_color_;
   const gfx::Rect recorded_viewport_;
   const gfx::Size size_;
   const bool clear_canvas_with_debug_color_;
   const int slow_down_raster_scale_factor_for_debug_;
   // TODO(enne/vmiura): this has a read/write race between raster and compositor
   // threads with multi-threaded Ganesh.  Make this const or remove it.
   bool should_attempt_to_use_distance_field_text_;
 
   // In practice, this is only set once before raster begins, so it's ok with
   // respect to threading.
-  ImageDecodeController* image_decode_controller_;
+  ImageDecodeCache* image_decode_cache_;
 
  private:
   void RasterCommon(SkCanvas* canvas, SkPicture::AbortCallback* callback) const;
 
   void PrepareForPlaybackToCanvas(SkCanvas* canvas) const;
 
   DISALLOW_COPY_AND_ASSIGN(RasterSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_RASTER_SOURCE_H_