cc: Rename ImageDecodeController to ImageDecodeCache.

cc/tiles/tile_manager.h

Index: cc/tiles/tile_manager.h
diff --git a/cc/tiles/tile_manager.h b/cc/tiles/tile_manager.h
index 732bc51127e1c19543eef61f12f406ab8482c258..c65c27e4ee9c647d0f22cfd88d226f0db9c56634 100644
--- a/cc/tiles/tile_manager.h
+++ b/cc/tiles/tile_manager.h
@@ -36,7 +36,7 @@ class TracedValue;
 }
 
 namespace cc {
-class ImageDecodeController;
+class ImageDecodeCache;
 
 class CC_EXPORT TileManagerClient {
  public:
@@ -119,7 +119,7 @@ class CC_EXPORT TileManager {
   // FinishTasksAndCleanUp must be called in between consecutive calls to
   // SetResources.
   void SetResources(ResourcePool* resource_pool,
-                    ImageDecodeController* image_decode_controller,
+                    ImageDecodeCache* image_decode_cache,
                     TaskGraphRunner* task_graph_runner,
                     RasterBufferProvider* raster_buffer_provider,
                     size_t scheduled_raster_task_limit,