Moves ownership of the cc::Display's BeginFrameSource out of Display.

content/browser/renderer_host/compositor_impl_android.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 #include <stdint.h>
 #include <unordered_set>
@@ skipping 708 matching lines @@
 
   if (context_provider) {
     gpu_capabilities_ = context_provider->ContextCapabilities();
   } else {
     // TODO(danakj): Populate gpu_capabilities_ for VulkanContextProvider.
   }
 
   cc::SurfaceManager* manager =
       ui::ContextProviderFactory::GetInstance()->GetSurfaceManager();
   auto* task_runner = base::ThreadTaskRunnerHandle::Get().get();
-  std::unique_ptr<ExternalBeginFrameSource> begin_frame_source(
-      new ExternalBeginFrameSource(this));
+  begin_frame_source_.reset(new ExternalBeginFrameSource(this));
   std::unique_ptr<cc::DisplayScheduler> scheduler(new cc::DisplayScheduler(
-      begin_frame_source.get(), task_runner,
-      display_output_surface->capabilities().max_frames_pending));
+      task_runner, display_output_surface->capabilities().max_frames_pending));
 
   display_.reset(new cc::Display(
       HostSharedBitmapManager::current(),
       BrowserGpuMemoryBufferManager::current(),
       host_->GetSettings().renderer_settings, frame_sink_id_,
-      std::move(begin_frame_source), std::move(display_output_surface),
+      begin_frame_source_.get(), std::move(display_output_surface),
       std::move(scheduler),
       base::MakeUnique<cc::TextureMailboxDeleter>(task_runner)));
 
   auto compositor_frame_sink =
       vulkan_context_provider
           ? base::MakeUnique<cc::DirectCompositorFrameSink>(
                 frame_sink_id_, manager, display_.get(),
                 vulkan_context_provider)
           : base::MakeUnique<cc::DirectCompositorFrameSink>(
                 frame_sink_id_, manager, display_.get(), context_provider,
@@ skipping 86 matching lines @@
 
 cc::FrameSinkId CompositorImpl::GetFrameSinkId() {
   return frame_sink_id_;
 }
 
 bool CompositorImpl::HavePendingReadbacks() {
   return !readback_layer_tree_->children().empty();
 }
 
 }  // namespace content