Create a new action triggered when a BeginMainFrame is not expected before vsync

cc/trees/proxy_main.cc

 // Copyright 2015 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/trees/proxy_main.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/memory/ptr_util.h"
@@ skipping 56 matching lines @@
   DCHECK(IsMainThread());
   layer_tree_host_->DidReceiveCompositorFrameAck();
 }
 
 void ProxyMain::BeginMainFrameNotExpectedSoon() {
   TRACE_EVENT0("cc", "ProxyMain::BeginMainFrameNotExpectedSoon");
   DCHECK(IsMainThread());
   layer_tree_host_->BeginMainFrameNotExpectedSoon();
 }
 
+void ProxyMain::DoShortIdleWork(const BeginFrameArgs& args) {
+  TRACE_EVENT0("cc", "ProxyMain::DoShortIdleWork");
+  DCHECK(IsMainThread());
+  layer_tree_host_->DoShortIdleWork(args);
+}
+
 void ProxyMain::DidCommitAndDrawFrame() {
   DCHECK(IsMainThread());
   layer_tree_host_->DidCommitAndDrawFrame();
 }
 
 void ProxyMain::SetAnimationEvents(std::unique_ptr<MutatorEvents> events) {
   TRACE_EVENT0("cc", "ProxyMain::SetAnimationEvents");
   DCHECK(IsMainThread());
   layer_tree_host_->SetAnimationEvents(std::move(events));
 }
@@ skipping 398 matching lines @@
 
 bool ProxyMain::IsImplThread() const {
   return task_runner_provider_->IsImplThread();
 }
 
 base::SingleThreadTaskRunner* ProxyMain::ImplThreadTaskRunner() {
   return task_runner_provider_->ImplThreadTaskRunner();
 }
 
 }  // namespace cc