cc: Dedup IPCs to return resources to client

cc/output/delegating_renderer.cc

 // Copyright 2012 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/output/delegating_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/ptr_util.h"
 #include "base/trace_event/trace_event.h"
-#include "cc/output/compositor_frame_ack.h"
 #include "cc/output/context_provider.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/render_pass.h"
 #include "cc/resources/resource_provider.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 
 
 namespace cc {
 
@@ skipping 75 matching lines @@
 }
 
 void DelegatingRenderer::SwapBuffers(CompositorFrameMetadata metadata) {
   TRACE_EVENT0("cc,benchmark", "DelegatingRenderer::SwapBuffers");
   CompositorFrame compositor_frame;
   compositor_frame.metadata = std::move(metadata);
   compositor_frame.delegated_frame_data = std::move(delegated_frame_data_);
   output_surface_->SwapBuffers(std::move(compositor_frame));
 }
 
-void DelegatingRenderer::ReceiveSwapBuffersAck(
-    const CompositorFrameAck& ack) {
-  resource_provider_->ReceiveReturnsFromParent(ack.resources);
+void DelegatingRenderer::ReclaimResources(
+    const ReturnedResourceArray& resources) {
+  resource_provider_->ReceiveReturnsFromParent(resources);
 }
 
 void DelegatingRenderer::DidChangeVisibility() {
   ContextProvider* context_provider = output_surface_->context_provider();
   if (!visible()) {
     TRACE_EVENT0("cc", "DelegatingRenderer::SetVisible dropping resources");
     if (context_provider) {
       context_provider->DeleteCachedResources();
       context_provider->ContextGL()->Flush();
     }
   }
   if (context_provider) {
     // If we are not visible, we ask the context to aggressively free resources.
     context_provider->ContextSupport()->SetAggressivelyFreeResources(
         !visible());
   }
 }
 
 }  // namespace cc