cc: Introduce BeginFrame sequence numbers and acknowledgements.

cc/test/test_compositor_frame_sink.cc

 // Copyright 2016 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/test_compositor_frame_sink.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "cc/output/begin_frame_args.h"
@@ skipping 64 matching lines @@
       begin_frame_source.reset(new BackToBackBeginFrameSource(
           base::MakeUnique<DelayBasedTimeSource>(task_runner_.get())));
     } else {
       begin_frame_source.reset(new DelayBasedBeginFrameSource(
           base::MakeUnique<DelayBasedTimeSource>(task_runner_.get())));
       begin_frame_source->SetAuthoritativeVSyncInterval(
           base::TimeDelta::FromMilliseconds(1000.f /
                                             renderer_settings_.refresh_rate));
     }
     scheduler.reset(new DisplayScheduler(
-        begin_frame_source.get(), task_runner_.get(),
+        task_runner_.get(),
         display_output_surface->capabilities().max_frames_pending));
   }
 
   display_.reset(new Display(
       shared_bitmap_manager(), gpu_memory_buffer_manager(), renderer_settings_,
       frame_sink_id_, std::move(begin_frame_source),
       std::move(display_output_surface), std::move(scheduler),
       base::MakeUnique<TextureMailboxDeleter>(task_runner_.get())));
 
   // We want the Display's OutputSurface to hear about lost context, and when
@@ skipping 101 matching lines @@
     bool will_draw_and_swap,
     const RenderPassList& render_passes) {
   test_client_->DisplayWillDrawAndSwap(will_draw_and_swap, render_passes);
 }
 
 void TestCompositorFrameSink::DisplayDidDrawAndSwap() {
   test_client_->DisplayDidDrawAndSwap();
 }
 
 }  // namespace cc