Avoid destroying surface before the parent surface stops referencing it.

cc/surfaces/surface_factory_unittest.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/output/compositor_frame.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "cc/surfaces/surface_manager.h"
@@ skipping 338 matching lines @@
   {
     SCOPED_TRACE("fourth frame, second unref");
     ResourceProvider::ResourceId expected_returned_ids[] = {12, 13};
     int expected_returned_counts[] = {2, 2};
     CheckReturnedResourcesMatchExpected(expected_returned_ids,
                                         expected_returned_counts,
                                         arraysize(expected_returned_counts));
   }
 }
 
+TEST_F(SurfaceFactoryTest, DestroySequence) {
+  SurfaceId id2(5);
+  factory_.Create(id2, gfx::Size(5, 5));
+
+  // Check that waiting before the sequence is satisfied works.
+  std::set<SurfaceSequence> sequence;
+  sequence.insert(SurfaceSequence(0, 4));
+  factory_.DestroyOnSequence(id2, sequence);
+
+  scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
+  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+  frame->metadata.satisfies_sequence.push_back(6);
+  frame->metadata.satisfies_sequence.push_back(4);
+  frame->delegated_frame_data = frame_data.Pass();
+  DCHECK(manager_.GetSurfaceForId(id2));
+  factory_.SubmitFrame(surface_id_, frame.Pass(), base::Closure());
+  DCHECK(!manager_.GetSurfaceForId(id2));
+
+  // Check that waiting after the sequence is satisfied works.
+  factory_.Create(id2, gfx::Size(5, 5));
+  sequence.clear();
+  sequence.insert(SurfaceSequence(0, 6));
+  DCHECK(manager_.GetSurfaceForId(id2));
+  factory_.DestroyOnSequence(id2, sequence);
+  DCHECK(!manager_.GetSurfaceForId(id2));
+}
+
 }  // namespace
 }  // namespace cc