cc: Dedup IPCs to return resources to client

content/public/browser/android/synchronous_compositor.h

 // Copyright 2013 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 CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
+#include "cc/resources/returned_resource.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 class SkCanvas;
 
 namespace cc {
 class CompositorFrame;
 class CompositorFrameAck;
 }
@@ skipping 40 matching lines @@
       const gfx::Size& surface_size,
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority) = 0;
 
   // For delegated rendering, return resources from parent compositor to this.
   // Note that all resources must be returned before ReleaseHwDraw.
   virtual void ReturnResources(uint32_t output_surface_id,
-                               const cc::CompositorFrameAck& frame_ack) = 0;
+                               const cc::ReturnedResourceArray& resources) = 0;
 
   // "On demand" SW draw, into the supplied canvas (observing the transform
   // and clip set there-in).
   virtual bool DemandDrawSw(SkCanvas* canvas) = 0;
 
   // Set the memory limit policy of this compositor.
   virtual void SetMemoryPolicy(size_t bytes_limit) = 0;
 
   // Should be called by the embedder after the embedder had modified the
   // scroll offset of the root layer.
   virtual void DidChangeRootLayerScrollOffset(
       const gfx::ScrollOffset& root_offset) = 0;
 
   // Allows embedder to synchronously update the zoom level, ie page scale
   // factor, around the anchor point.
   virtual void SynchronouslyZoomBy(float zoom_delta,
                                    const gfx::Point& anchor) = 0;
 
   // Called by the embedder to notify that the OnComputeScroll step is happening
   // and if any input animation is active, it should tick now.
   virtual void OnComputeScroll(base::TimeTicks animation_time) = 0;
 
  protected:
   virtual ~SynchronousCompositor() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_H_