Move disable_display_vsync out of RendererSettings

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index 3e6e1d517960012b4964f9fb3fd7bb31d5ebe032..c0e2634984312d488aee0ba4701fdcc9c4965a74 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -8755,6 +8755,8 @@ class FrameSinkClient : public TestCompositorFrameSinkClient {
 };
 
 TEST_F(LayerTreeHostImplTest, ShutdownReleasesContext) {
+  constexpr bool kSynchronousComposite = true;

[danakj, 2017/05/04 15:36:35]

can you put these beside where they are used

[Alex Z., 2017/05/04 18:41:55]

Done.

+  constexpr bool kDisableDisplayVsync = false;
   scoped_refptr<TestContextProvider> context_provider =
       TestContextProvider::Create();
   FrameSinkClient test_client_(context_provider);
@@ -8762,7 +8764,7 @@ TEST_F(LayerTreeHostImplTest, ShutdownReleasesContext) {
   auto compositor_frame_sink = base::MakeUnique<TestCompositorFrameSink>(
       context_provider, TestContextProvider::CreateWorker(), nullptr, nullptr,
       RendererSettings(), base::ThreadTaskRunnerHandle::Get().get(),
-      true /* synchronous_composite */);
+      kSynchronousComposite, kDisableDisplayVsync);
   compositor_frame_sink->SetClient(&test_client_);
 
   CreateHostImpl(DefaultSettings(), std::move(compositor_frame_sink));