cc: Send all begin frames using a PostTask.

content/browser/compositor/reflector_impl_unittest.cc

 // Copyright 2015 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 "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
@@ skipping 114 matching lines @@
   void SetUp() override {
     bool enable_pixel_output = false;
     ui::ContextFactory* context_factory =
         ui::InitializeContextFactoryForTests(enable_pixel_output);
     ImageTransportFactory::InitializeForUnitTests(
         std::unique_ptr<ImageTransportFactory>(
             new NoTransportImageTransportFactory));
     message_loop_.reset(new base::MessageLoop());
     task_runner_ = message_loop_->task_runner();
     compositor_task_runner_ = new FakeTaskRunner();
-    begin_frame_source_.reset(new cc::DelayBasedBeginFrameSource(
-        base::MakeUnique<cc::DelayBasedTimeSource>(
-            compositor_task_runner_.get())));
+    begin_frame_source_.reset(
+        new cc::DelayBasedBeginFrameSource(compositor_task_runner_.get()));
     compositor_.reset(
         new ui::Compositor(context_factory, compositor_task_runner_.get()));
     compositor_->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
     output_surface_ = base::MakeUnique<TestOutputSurface>(
         cc::TestContextProvider::Create(cc::TestWebGraphicsContext3D::Create()),
         compositor_->vsync_manager(), begin_frame_source_.get());
     CHECK(output_surface_->BindToClient(&output_surface_client_));
 
     root_layer_.reset(new ui::Layer(ui::LAYER_SOLID_COLOR));
     compositor_->SetRootLayer(root_layer_.get());
@@ skipping 77 matching lines @@
   plane_2.plane_z_order = 1;
   list.push_back(plane_1);
   list.push_back(plane_2);
   output_surface_->GetOverlayCandidateValidator()->CheckOverlaySupport(&list);
   EXPECT_FALSE(list[0].overlay_handled);
 }
 #endif  // defined(USE_OZONE)
 
 }  // namespace
 }  // namespace content