gpu: Replace GpuMsg_Finalize ipc with equivalent mojom api

content/browser/gpu/gpu_data_manager_impl_private.cc

 // Copyright (c) 2013 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 "content/browser/gpu/gpu_data_manager_impl_private.h"
 
 #include <algorithm>
 #include <iterator>
 #include <memory>
 #include <utility>
@@ skipping 258 matching lines @@
 bool ShouldDisableHardwareAcceleration() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableGpu);
 }
 
 void OnVideoMemoryUsageStats(const gpu::VideoMemoryUsageStats& stats) {
   GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(stats);
 }
 
 void RequestVideoMemoryUsageStats(GpuProcessHost* host) {
+  if (!host)
+    return;
   host->gpu_service()->GetVideoMemoryUsageStats(
       base::Bind(&OnVideoMemoryUsageStats));
 }
 
 }  // namespace anonymous
 
 void GpuDataManagerImplPrivate::InitializeForTesting(
     const std::string& gpu_blacklist_json,
     const gpu::GPUInfo& gpu_info) {
   // This function is for testing only, so disable histograms.
@@ skipping 1083 matching lines @@
   gpu_info_.context_info_state = gpu::kCollectInfoFatalFailure;
 #if defined(OS_WIN)
   gpu_info_.dx_diagnostics_info_state = gpu::kCollectInfoFatalFailure;
 #endif
   complete_gpu_info_already_requested_ = true;
   // Some observers might be waiting.
   NotifyGpuInfoUpdate();
 }
 
 }  // namespace content