Ozone integration.

ui/ozone/public/gpu_platform_support_host.cc

+// Copyright 2014 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 "ui/ozone/public/gpu_platform_support_host.h"
+
+#include "base/logging.h"
+#include "base/trace_event/trace_event.h"
+#include "ui/ozone/ozone_export.h"
+
+namespace ui {
+
+namespace {
+
+// No-op implementations of GpuPlatformSupportHost.
+class StubGpuPlatformSupportHost : public GpuPlatformSupportHost {
+ public:
+  // GpuPlatformSupportHost:
+  void OnChannelEstablished(int host_id) override {}
+  void OnChannelDestroyed(int host_id) override {}
+};
+
+}  // namespace
+
+GpuPlatformSupportHost::GpuPlatformSupportHost() {
+}
+
+GpuPlatformSupportHost::~GpuPlatformSupportHost() {
+}
+
+GpuPlatformSupportHost* CreateStubGpuPlatformSupportHost() {
+  return new StubGpuPlatformSupportHost;
+}
+
+}  // namespace ui