gpu: Remove unused GpuChildThread::gpu_preferences_.

content/gpu/gpu_child_thread.h

 // 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.
 
 #ifndef CONTENT_GPU_GPU_CHILD_THREAD_H_
 #define CONTENT_GPU_GPU_CHILD_THREAD_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 46 matching lines @@
                        public base::FieldTrialList::Observer {
  public:
   typedef std::queue<IPC::Message*> DeferredMessages;
 
   GpuChildThread(gpu::GpuWatchdogThread* gpu_watchdog_thread,
                  bool dead_on_arrival,
                  const gpu::GPUInfo& gpu_info,
                  const DeferredMessages& deferred_messages,
                  gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory);
 
-  GpuChildThread(const gpu::GpuPreferences& gpu_preferences,
-                 const InProcessChildThreadParams& params,
+  GpuChildThread(const InProcessChildThreadParams& params,
                  gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory);
 
   ~GpuChildThread() override;
 
   void Shutdown() override;
 
   void Init(const base::Time& process_start_time);
   void StopWatchdog();
 
-  gpu::GpuPreferences gpu_preferences() { return gpu_preferences_; }
-
  private:
   // ChildThreadImpl:.
   bool Send(IPC::Message* msg) override;
   bool OnControlMessageReceived(const IPC::Message& msg) override;
   bool OnMessageReceived(const IPC::Message& msg) override;
 
   // gpu::GpuChannelManagerDelegate:
   void SetActiveURL(const GURL& url) override;
   void DidCreateOffscreenContext(const GURL& active_url) override;
   void DidDestroyChannel(int client_id) override;
@@ skipping 35 matching lines @@
                                 int client_id,
                                 const gpu::SyncToken& sync_token);
 #if defined(OS_ANDROID)
   void OnWakeUpGpu();
   void OnDestroyingVideoSurface(int surface_id);
 #endif
   void OnLoseAllContexts();
 
   void BindServiceFactoryRequest(shell::mojom::ServiceFactoryRequest request);
 
-  gpu::GpuPreferences gpu_preferences_;
-
   // Set this flag to true if a fatal error occurred before we receive the
   // OnInitialize message, in which case we just declare ourselves DOA.
   bool dead_on_arrival_;
   base::Time process_start_time_;
   scoped_refptr<gpu::GpuWatchdogThread> watchdog_thread_;
 
 #if defined(OS_WIN)
   // Windows specific client sandbox interface.
   sandbox::TargetServices* target_services_;
 #endif
@@ skipping 22 matching lines @@
 
   // Bindings to the shell::mojom::ServiceFactory impl.
   mojo::BindingSet<shell::mojom::ServiceFactory> service_factory_bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChildThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_CHILD_THREAD_H_