Add IPC messages to transfer compositor protos

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 78491a5b7134c704300d6937f829f52906b03da3..012ad3a5c9dabee96955fdd4b2a4a7d50ee6c6f5 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -473,6 +473,8 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                         OnImeCompositionRangeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstPaintAfterLoad,
                         OnFirstPaintAfterLoad)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ForwardCompositorProto,
+                        OnForwardCompositorProto)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ -1253,6 +1255,12 @@ bool RenderWidgetHostImpl::GetScreenColorProfile(
   return false;
 }
 
+void RenderWidgetHostImpl::HandleCompositorProto(
+    const std::vector<uint8_t>& proto) {
+  DCHECK(!proto.empty());
+  Send(new ViewMsg_HandleCompositorProto(GetRoutingID(), proto));
+}
+
 void RenderWidgetHostImpl::NotifyScreenInfoChanged() {
   color_profile_out_of_date_ = true;
 
@@ -1291,6 +1299,12 @@ void RenderWidgetHostImpl::OnSelectionBoundsChanged(
   }
 }
 
+void RenderWidgetHostImpl::OnForwardCompositorProto(
+    const std::vector<uint8_t>& proto) {
+  if (delegate_)
+    delegate_->ForwardCompositorProto(this, proto);
+}
+
 void RenderWidgetHostImpl::UpdateVSyncParameters(base::TimeTicks timebase,
                                                  base::TimeDelta interval) {
   Send(new ViewMsg_UpdateVSyncParameters(GetRoutingID(), timebase, interval));