Move disable_display_vsync out of RendererSettings

cc/test/layer_tree_pixel_test.cc

Index: cc/test/layer_tree_pixel_test.cc
diff --git a/cc/test/layer_tree_pixel_test.cc b/cc/test/layer_tree_pixel_test.cc
index 7935b3914cade3f5a244b88c54e21d59848227e6..be52885f598e45893d5e41f9217d4ff8ea3e2f43 100644
--- a/cc/test/layer_tree_pixel_test.cc
+++ b/cc/test/layer_tree_pixel_test.cc
@@ -42,6 +42,7 @@ std::unique_ptr<TestCompositorFrameSink>
     LayerTreePixelTest::CreateCompositorFrameSink(
         scoped_refptr<ContextProvider>,
         scoped_refptr<ContextProvider>) {
+  constexpr bool kDisableDisplayVsync = false;

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

can you put this beside where its used, like synchronous_composite is. also for
local variables, i think i prefer not kFooBar names, just use foo_bar.

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

Done.

   scoped_refptr<TestInProcessContextProvider> compositor_context_provider;
   scoped_refptr<TestInProcessContextProvider> worker_context_provider;
   if (test_type_ == PIXEL_TEST_GL) {
@@ -55,7 +56,7 @@ std::unique_ptr<TestCompositorFrameSink>
   auto delegating_output_surface = base::MakeUnique<TestCompositorFrameSink>(
       compositor_context_provider, std::move(worker_context_provider),
       shared_bitmap_manager(), gpu_memory_buffer_manager(), RendererSettings(),
-      ImplThreadTaskRunner(), synchronous_composite);
+      ImplThreadTaskRunner(), synchronous_composite, kDisableDisplayVsync);
   delegating_output_surface->SetEnlargePassTextureAmount(
       enlarge_texture_amount_);
   return delegating_output_surface;