cc: Dedup IPCs to return resources to client

cc/test/fake_output_surface.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/test/fake_output_surface.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
-#include "cc/output/compositor_frame_ack.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 FakeOutputSurface::FakeOutputSurface(
     scoped_refptr<ContextProvider> context_provider,
     scoped_refptr<ContextProvider> worker_context_provider,
@@ skipping 104 matching lines @@
 void FakeOutputSurface::SetMemoryPolicyToSetAtBind(
     std::unique_ptr<ManagedMemoryPolicy> memory_policy_to_set_at_bind) {
   memory_policy_to_set_at_bind_.swap(memory_policy_to_set_at_bind);
 }
 
 void FakeOutputSurface::ReturnResourcesHeldByParent() {
   // Check |delegated_frame_data| because we shouldn't reclaim resources
   // for the Display which does not swap delegated frames.
   if (last_sent_frame_ && last_sent_frame_->delegated_frame_data) {
     // Return the last frame's resources immediately.
-    CompositorFrameAck ack;
+    ReturnedResourceArray resources;
     for (const auto& resource : resources_held_by_parent_)
-      ack.resources.push_back(resource.ToReturnedResource());
+      resources.push_back(resource.ToReturnedResource());
     resources_held_by_parent_.clear();
-    client_->ReclaimResources(&ack);
+    client_->ReclaimResources(resources);
   }
 }
 
 }  // namespace cc