cc: Add scheduler support for invalidating content on impl thread.

cc/trees/single_thread_proxy.cc

 // Copyright 2011 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/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 713 matching lines @@
 void SingleThreadProxy::ScheduledActionPrepareTiles() {
   TRACE_EVENT0("cc", "SingleThreadProxy::ScheduledActionPrepareTiles");
   DebugScopedSetImplThread impl(task_runner_provider_);
   layer_tree_host_impl_->PrepareTiles();
 }
 
 void SingleThreadProxy::ScheduledActionInvalidateCompositorFrameSink() {
   NOTREACHED();
 }
 
+void SingleThreadProxy::ScheduledActionPerformImplSideInvalidation() {
+  NOTIMPLEMENTED();
+}
+
 void SingleThreadProxy::UpdateBrowserControlsState(
     BrowserControlsState constraints,
     BrowserControlsState current,
     bool animate) {
   NOTREACHED() << "Browser Controls are used only in threaded mode";
 }
 
 void SingleThreadProxy::DidFinishImplFrame() {
   layer_tree_host_impl_->DidFinishImplFrame();
 #if DCHECK_IS_ON()
   DCHECK(inside_impl_frame_)
       << "DidFinishImplFrame called while not inside an impl frame!";
   inside_impl_frame_ = false;
 #endif
 }
 
 }  // namespace cc