cc: Dedup IPCs to return resources to client

content/browser/renderer_host/delegated_frame_host.cc

Index: content/browser/renderer_host/delegated_frame_host.cc
diff --git a/content/browser/renderer_host/delegated_frame_host.cc b/content/browser/renderer_host/delegated_frame_host.cc
index 78e5ca788099f9423101c2b98495572cc9e105c2..a293b75e53821ab9a76876c3045f1f64fd1d41cd 100644
--- a/content/browser/renderer_host/delegated_frame_host.cc
+++ b/content/browser/renderer_host/delegated_frame_host.cc
@@ -442,7 +442,7 @@ void DelegatedFrameHost::SwapDelegatedFrame(uint32_t output_surface_id,
 
     surface_factory_.reset();
     if (!surface_returned_resources_.empty())
-      SendReturnedDelegatedResources(last_output_surface_id_);
+      SendDelegatedFrameAck(last_output_surface_id_);
 
     last_output_surface_id_ = output_surface_id;
   }
@@ -535,16 +535,6 @@ void DelegatedFrameHost::SurfaceDrawn(uint32_t output_surface_id,
   SendDelegatedFrameAck(output_surface_id);
 }
 
-void DelegatedFrameHost::SendReturnedDelegatedResources(
-    uint32_t output_surface_id) {
-  cc::CompositorFrameAck ack;
-  DCHECK(!surface_returned_resources_.empty());
-  ack.resources.swap(surface_returned_resources_);
-
-  client_->DelegatedFrameHostSendReclaimCompositorResources(output_surface_id,
-                                                            ack);
-}
-
 void DelegatedFrameHost::ReturnResources(
     const cc::ReturnedResourceArray& resources) {
   if (resources.empty())
@@ -552,7 +542,7 @@ void DelegatedFrameHost::ReturnResources(
   std::copy(resources.begin(), resources.end(),
             std::back_inserter(surface_returned_resources_));
   if (!pending_delegated_ack_count_)
-    SendReturnedDelegatedResources(last_output_surface_id_);
+    SendDelegatedFrameAck(last_output_surface_id_);
 }
 
 void DelegatedFrameHost::WillDrawSurface(const cc::SurfaceId& id,