Privatize StrongBinding lifetime management

services/ui/gpu/display_compositor/display_compositor_impl.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 "services/ui/gpu/display_compositor/display_compositor_impl.h"
 
 #include "services/ui/gpu/display_compositor/display_impl.h"
 
 namespace ui {
 namespace gpu {
 
-DisplayCompositorImpl::DisplayCompositorImpl(
-    mojo::InterfaceRequest<mojom::DisplayCompositor> request)
-    : binding_(this, std::move(request)) {}
+DisplayCompositorImpl::DisplayCompositorImpl() {}
 
 DisplayCompositorImpl::~DisplayCompositorImpl() {}
 
 void DisplayCompositorImpl::CreateDisplay(
     int accelerated_widget,
     mojo::InterfaceRequest<mojom::Display> display,
     mojom::DisplayHostPtr host,
     mojo::InterfaceRequest<mojom::CompositorFrameSink> sink,
     mojom::CompositorFrameSinkClientPtr client) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace gpu
 }  // namespace ui