cc: Dedup IPCs to return resources to client

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index cab4ebc6e4dddecb2cffd0c2a42eaf322b80d8d3..fc3a0e426f3a3daff6bc5e02253b43778604a5cc 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -420,19 +420,14 @@ SkColor RenderWidgetHostViewMac::BrowserCompositorMacGetGutterColor(
   return color;
 }
 
-void RenderWidgetHostViewMac::BrowserCompositorMacSendCompositorSwapAck(
-    int output_surface_id,
-    const cc::CompositorFrameAck& ack) {
-  render_widget_host_->Send(new ViewMsg_SwapCompositorFrameAck(
-      render_widget_host_->GetRoutingID(), output_surface_id, ack));
-}
-
 void RenderWidgetHostViewMac::
     BrowserCompositorMacSendReclaimCompositorResources(
         int output_surface_id,
-        const cc::CompositorFrameAck& ack) {
+        bool is_swap_ack,
+        const cc::ReturnedResourceArray& resources) {
   render_widget_host_->Send(new ViewMsg_ReclaimCompositorResources(
-      render_widget_host_->GetRoutingID(), output_surface_id, ack));
+      render_widget_host_->GetRoutingID(), output_surface_id, is_swap_ack,
+      resources));
 }
 
 void RenderWidgetHostViewMac::BrowserCompositorMacOnLostCompositorResources() {