Fix jank during mac resize

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index f6b491972179301e3fea6decda100f3b8c1bd338..864a1a6d8616ecba92c43f0f558e03c2e3de8189 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -180,6 +180,9 @@ bool RenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER_GENERIC(
         ViewHostMsg_UpdateRect,
         ResizeHelperPostMsgToUIThread(render_process_id_, message))
+    IPC_MESSAGE_HANDLER_GENERIC(
+        ViewHostMsg_SetNeedsBeginFrames,
+        ResizeHelperPostMsgToUIThread(render_process_id_, message))
 #endif
     // NB: The SyncAllocateSharedMemory, SyncAllocateGpuMemoryBuffer, and
     // DeletedGpuMemoryBuffer IPCs are handled here for renderer processes. For