Move disable_display_vsync out of RendererSettings

cc/test/layer_tree_pixel_test.cc

 // Copyright 2013 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/test/layer_tree_pixel_test.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 24 matching lines @@
     : pixel_comparator_(new ExactPixelComparator(true)),
       test_type_(PIXEL_TEST_GL),
       pending_texture_mailbox_callbacks_(0) {}
 
 LayerTreePixelTest::~LayerTreePixelTest() {}
 
 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) {
     compositor_context_provider = new TestInProcessContextProvider(nullptr);
     worker_context_provider =
         new TestInProcessContextProvider(compositor_context_provider.get());
   }
   bool synchronous_composite =
       !HasImplThread() &&
       !layer_tree_host()->GetSettings().single_thread_proxy_scheduler;
   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;
 }
 
 std::unique_ptr<OutputSurface>
 LayerTreePixelTest::CreateDisplayOutputSurfaceOnThread(
     scoped_refptr<ContextProvider> compositor_context_provider) {
   std::unique_ptr<PixelTestOutputSurface> display_output_surface;
   if (test_type_ == PIXEL_TEST_GL) {
@@ skipping 217 matching lines @@
 }
 
 void LayerTreePixelTest::Finish() {
   std::unique_ptr<gpu::GLInProcessContext> context =
       CreateTestInProcessContext();
   GLES2Interface* gl = context->GetImplementation();
   gl->Finish();
 }
 
 }  // namespace cc