Convert offscreen canvas to use FrameSinkManagerHost.

services/ui/surfaces/display_compositor.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 "services/ui/surfaces/display_compositor.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "cc/base/switches.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface_dependency_tracker.h"
 #include "components/display_compositor/gpu_compositor_frame_sink.h"
 #include "components/display_compositor/gpu_root_compositor_frame_sink.h"
 #include "services/ui/surfaces/display_provider.h"
 
 namespace ui {
 
 DisplayCompositor::DisplayCompositor(
     DisplayProvider* display_provider,
     cc::mojom::DisplayCompositorRequest request,
     cc::mojom::DisplayCompositorClientPtr client)
-    : manager_(cc::SurfaceManager::LifetimeType::REFERENCES),
+    : manager_(cc::SurfaceManager::LifetimeType::SEQUENCES),
       display_provider_(display_provider),
       client_(std::move(client)),
       binding_(this, std::move(request)) {
   manager_.AddObserver(this);
 }
 
 DisplayCompositor::~DisplayCompositor() {
   DCHECK(thread_checker_.CalledOnValidThread());
   manager_.RemoveObserver(this);
 }
@@ skipping 98 matching lines @@
 
 void DisplayCompositor::OnPrivateConnectionLost(
     const cc::FrameSinkId& frame_sink_id,
     bool destroy_compositor_frame_sink) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (destroy_compositor_frame_sink)
     DestroyCompositorFrameSink(frame_sink_id);
 }
 
 }  // namespace ui