Avoid destroying surface before the parent surface stops referencing it.

cc/surfaces/surface_factory.cc

 // Copyright 2014 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/surfaces/surface_factory.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
@@ skipping 16 matching lines @@
 }
 
 void SurfaceFactory::Destroy(SurfaceId surface_id) {
   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
   DCHECK(it != surface_map_.end());
   DCHECK(it->second->factory() == this);
   manager_->DeregisterSurface(surface_id);
   surface_map_.erase(it);
 }
 
+void SurfaceFactory::DestroyOnSequence(
+    SurfaceId surface_id,
+    const std::set<SurfaceSequence>& dependency_set) {
+  OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
+  DCHECK(it != surface_map_.end());
+  DCHECK(it->second->factory() == this);
+  manager_->DestroyOnSequence(surface_map_.take_and_erase(it), dependency_set);
+}
+
 void SurfaceFactory::SubmitFrame(SurfaceId surface_id,
                                  scoped_ptr<CompositorFrame> frame,
                                  const base::Closure& callback) {
   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
   DCHECK(it != surface_map_.end());
   DCHECK(it->second->factory() == this);
   it->second->QueueFrame(frame.Pass(), callback);
   manager_->SurfaceModified(surface_id);
 }
 
@@ skipping 17 matching lines @@
 
 void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
   holder_.RefResources(resources);
 }
 
 void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
   holder_.UnrefResources(resources);
 }
 
 }  // namespace cc