cc: Dedup IPCs to return resources to client

cc/surfaces/surface_display_output_surface.cc

 // 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.
 
 #include "cc/surfaces/surface_display_output_surface.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
-#include "cc/output/compositor_frame_ack.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "cc/surfaces/surface_manager.h"
 
 namespace cc {
 
 SurfaceDisplayOutputSurface::SurfaceDisplayOutputSurface(
     SurfaceManager* surface_manager,
     SurfaceIdAllocator* surface_id_allocator,
@@ skipping 107 matching lines @@
 }
 
 uint32_t SurfaceDisplayOutputSurface::GetFramebufferCopyTextureFormat() {
   // This is a delegating output surface, no framebuffer/direct drawing support.
   NOTREACHED();
   return 0;
 }
 
 void SurfaceDisplayOutputSurface::ReturnResources(
     const ReturnedResourceArray& resources) {
-  CompositorFrameAck ack;
-  ack.resources = resources;
   if (client_)
-    client_->ReclaimResources(&ack);
+    client_->ReclaimResources(resources);
 }
 
 void SurfaceDisplayOutputSurface::SetBeginFrameSource(
     BeginFrameSource* begin_frame_source) {
   DCHECK(client_);
   client_->SetBeginFrameSource(begin_frame_source);
 }
 
 void SurfaceDisplayOutputSurface::DisplayOutputSurfaceLost() {
   output_surface_lost_ = true;
   DidLoseOutputSurface();
 }
 
 void SurfaceDisplayOutputSurface::DisplaySetMemoryPolicy(
     const ManagedMemoryPolicy& policy) {
   SetMemoryPolicy(policy);
 }
 
 void SurfaceDisplayOutputSurface::SwapBuffersComplete(SurfaceDrawStatus drawn) {
   // TODO(danakj): Why the lost check?
   if (!output_surface_lost_)
     client_->DidSwapBuffersComplete();
 }
 
 }  // namespace cc