Allow layers to signal that additional sequences are needed before surface destruction

cc/surfaces/surface_factory_unittest.cc

Index: cc/surfaces/surface_factory_unittest.cc
diff --git a/cc/surfaces/surface_factory_unittest.cc b/cc/surfaces/surface_factory_unittest.cc
index e36636c5f1c28438777e7c536bae4c5b887be2df..ed26fa823c863a699447b1d2aa397fa8ef1ff2c3 100644
--- a/cc/surfaces/surface_factory_unittest.cc
+++ b/cc/surfaces/surface_factory_unittest.cc
@@ -381,9 +381,9 @@ TEST_F(SurfaceFactoryTest, DestroySequence) {
   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);
+  manager_.GetSurfaceForId(id2)->destruction_dependencies().insert(
+      SurfaceSequence(0, 4));
+  factory_.Destroy(id2);
 
   scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
   scoped_ptr<CompositorFrame> frame(new CompositorFrame);
@@ -396,10 +396,10 @@ TEST_F(SurfaceFactoryTest, DestroySequence) {
 
   // 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);
+  manager_.GetSurfaceForId(id2)->destruction_dependencies().insert(
+      SurfaceSequence(0, 6));
+  factory_.Destroy(id2);
   DCHECK(!manager_.GetSurfaceForId(id2));
 }