gpu: Disconnect from host if gpu initialization failed.

content/gpu/gpu_child_thread.cc

 // Copyright (c) 2012 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/gpu/gpu_child_thread.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 262 matching lines @@
   gpu_service_->Bind(std::move(request));
   gpu_service_->UpdateGPUInfoFromPreferences(gpu_preferences);
   Send(new GpuHostMsg_Initialized(!dead_on_arrival_, gpu_service_->gpu_info(),
                                   gpu_service_->gpu_feature_info()));
   for (const LogMessage& log : deferred_messages_)
     gpu_host->RecordLogMessage(log.severity, log.header, log.message);
   deferred_messages_.clear();
 
   if (dead_on_arrival_) {
     LOG(ERROR) << "Exiting GPU process due to errors during initialization";
+    gpu_service_.reset();
     base::MessageLoop::current()->QuitWhenIdle();
     return;
   }
 
   gpu::SyncPointManager* sync_point_manager = nullptr;
   // Note SyncPointManager from ContentGpuClient cannot be owned by this.
   if (GetContentClient()->gpu())
     sync_point_manager = GetContentClient()->gpu()->GetSyncPointManager();
   gpu_service_->InitializeWithHost(
       std::move(gpu_host), gpu_preferences,
@@ skipping 40 matching lines @@
 
 void GpuChildThread::BindServiceFactoryRequest(
     service_manager::mojom::ServiceFactoryRequest request) {
   DVLOG(1) << "GPU: Binding service_manager::mojom::ServiceFactoryRequest";
   DCHECK(service_factory_);
   service_factory_bindings_.AddBinding(service_factory_.get(),
                                        std::move(request));
 }
 
 }  // namespace content