Give ServerWindowCompositorFrameSinkManager ownership of GpuCompositorFrameSink

services/ui/ws/server_window_compositor_frame_sink_manager.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/ws/server_window_compositor_frame_sink_manager.h"
 
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/ui/surfaces/display_compositor.h"
 #include "services/ui/ws/gpu_compositor_frame_sink.h"
 #include "services/ui/ws/ids.h"
@@ skipping 40 matching lines @@
 
   cc::mojom::MojoCompositorFrameSinkPrivateRequest private_request;
   if (data.pending_compositor_frame_sink_request.is_pending()) {
     private_request = std::move(data.pending_compositor_frame_sink_request);
   } else {
     private_request = mojo::GetProxy(&data.compositor_frame_sink);
   }
 
   // TODO(fsamuel): Create the CompositorFrameSink through the DisplayCompositor
   // mojo interface.
-  mojo::MakeStrongBinding(
-      base::MakeUnique<GpuCompositorFrameSink>(
-          window_->delegate()->GetDisplayCompositor(), frame_sink_id, widget,
-          gpu_memory_buffer_manager, std::move(context_provider),
-          std::move(request), std::move(client)),
-      std::move(private_request));
+  data.compositor_frame_sink_impl_ = base::MakeUnique<GpuCompositorFrameSink>(
+      window_->delegate()->GetDisplayCompositor(), frame_sink_id, widget,
+      gpu_memory_buffer_manager, std::move(context_provider),
+      std::move(request), std::move(private_request), std::move(client));
   if (window_->parent()) {
     window_->delegate()
         ->GetRootWindow(window_)
         ->GetOrCreateCompositorFrameSinkManager()
         ->AddChildFrameSinkId(mojom::CompositorFrameSinkType::DEFAULT,
                               frame_sink_id);
   }
 }
 
 void ServerWindowCompositorFrameSinkManager::AddChildFrameSinkId(
@@ skipping 82 matching lines @@
 
 CompositorFrameSinkData& CompositorFrameSinkData::operator=(
     CompositorFrameSinkData&& other) {
   latest_submitted_surface_id = other.latest_submitted_surface_id;
   compositor_frame_sink = std::move(other.compositor_frame_sink);
   return *this;
 }
 
 }  // namespace ws
 }  // namespace ui