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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/ozone/public/gpu_platform_support_host.h"
      6 
      7 #include "base/debug/trace_event.h"
      8 #include "base/logging.h"
      9 #include "ui/ozone/ozone_export.h"
     10 
     11 namespace ui {
     12 
     13 namespace {
     14 
     15 // No-op implementations of GpuPlatformSupportHost.
     16 class StubGpuPlatformSupportHost : public GpuPlatformSupportHost {
     17  public:
     18   // GpuPlatformSupportHost:
     19   virtual void OnChannelEstablished(int host_id, IPC::Sender* sender) OVERRIDE {
     20   }
     21   virtual void OnChannelDestroyed(int host_id) OVERRIDE {}
     22   virtual bool OnMessageReceived(const IPC::Message&) OVERRIDE { return false; }
     23 };
     24 
     25 }  // namespace
     26 
     27 GpuPlatformSupportHost::GpuPlatformSupportHost() {
     28 }
     29 
     30 GpuPlatformSupportHost::~GpuPlatformSupportHost() {
     31 }
     32 
     33 GpuPlatformSupportHost* CreateStubGpuPlatformSupportHost() {
     34   return new StubGpuPlatformSupportHost;
     35 }
     36 
     37 }  // namespace ui
     38