cc: Abort frame when becoming invisible and waiting for ready to draw.

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/profiler/scoped_tracker.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
@@ skipping 105 matching lines @@
   DebugScopedSetImplThread impl(this);
   if (scheduler_on_impl_thread_) {
     scheduler_on_impl_thread_->SetCanStart();
     scheduler_on_impl_thread_->SetVisible(layer_tree_host_impl_->visible());
   }
 }
 
 void SingleThreadProxy::SetVisible(bool visible) {
   TRACE_EVENT1("cc", "SingleThreadProxy::SetVisible", "visible", visible);
   DebugScopedSetImplThread impl(this);
+
   layer_tree_host_impl_->SetVisible(visible);
+
   if (scheduler_on_impl_thread_)
     scheduler_on_impl_thread_->SetVisible(layer_tree_host_impl_->visible());
   // Changing visibility could change ShouldComposite().
 }
 
 void SingleThreadProxy::SetThrottleFrameProduction(bool throttle) {
   TRACE_EVENT1("cc", "SingleThreadProxy::SetThrottleFrameProduction",
                "throttle", throttle);
   DebugScopedSetImplThread impl(this);
   if (scheduler_on_impl_thread_)
@@ skipping 304 matching lines @@
   TRACE_EVENT0(
       "cc", "SingleThreadProxy::PostAnimationEventsToMainThreadOnImplThread");
   DCHECK(Proxy::IsImplThread());
   DebugScopedSetMainThread main(this);
   layer_tree_host_->SetAnimationEvents(events.Pass());
 }
 
 bool SingleThreadProxy::IsInsideDraw() { return inside_draw_; }
 
 void SingleThreadProxy::DidActivateSyncTree() {
-  // This is required because NotifyReadyToActivate gets called immediately
-  // after commit since single thread commits directly to the active tree.
-  if (scheduler_on_impl_thread_)
-    scheduler_on_impl_thread_->SetWaitForReadyToDraw();
-
   // Synchronously call to CommitComplete. Resetting
   // |commit_blocking_task_runner| would make sure all tasks posted during
   // commit/activation before CommitComplete.
   CommitComplete();
 }
 
 void SingleThreadProxy::WillPrepareTiles() {
   DCHECK(Proxy::IsImplThread());
   if (scheduler_on_impl_thread_)
     scheduler_on_impl_thread_->WillPrepareTiles();
@@ skipping 457 matching lines @@
       << "DidFinishImplFrame called while not inside an impl frame!";
   inside_impl_frame_ = false;
 #endif
 }
 
 void SingleThreadProxy::SendBeginFramesToChildren(const BeginFrameArgs& args) {
   layer_tree_host_->SendBeginFramesToChildren(args);
 }
 
 }  // namespace cc