Revert of Pass initial size and GPU preference via context attributes

content/common/gpu/client/context_provider_command_buffer.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_
 #define CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 35 matching lines @@
 // command buffer to the GPU process.
 class CONTENT_EXPORT ContextProviderCommandBuffer
     : NON_EXPORTED_BASE(public cc::ContextProvider) {
  public:
   ContextProviderCommandBuffer(
       scoped_refptr<gpu::GpuChannelHost> channel,
       int32_t stream_id,
       gpu::GpuStreamPriority stream_priority,
       gpu::SurfaceHandle surface_handle,
       const GURL& active_url,
+      gl::GpuPreference gpu_preference,
       bool automatic_flushes,
       bool support_locking,
       const gpu::SharedMemoryLimits& memory_limits,
       const gpu::gles2::ContextCreationAttribHelper& attributes,
       ContextProviderCommandBuffer* shared_context_provider,
       command_buffer_metrics::ContextType type);
 
   gpu::CommandBufferProxyImpl* GetCommandBufferProxy();
   // Gives the GL internal format that should be used for calling CopyTexImage2D
   // on the default framebuffer.
@@ skipping 38 matching lines @@
   base::ThreadChecker main_thread_checker_;
   base::ThreadChecker context_thread_checker_;
 
   bool bind_succeeded_ = false;
   bool bind_failed_ = false;
 
   const int32_t stream_id_;
   const gpu::GpuStreamPriority stream_priority_;
   const gpu::SurfaceHandle surface_handle_;
   const GURL active_url_;
+  const gl::GpuPreference gpu_preference_;
   const bool automatic_flushes_;
   const bool support_locking_;
   const gpu::SharedMemoryLimits memory_limits_;
   const gpu::gles2::ContextCreationAttribHelper attributes_;
   const command_buffer_metrics::ContextType context_type_;
 
   scoped_refptr<SharedProviders> shared_providers_;
   scoped_refptr<gpu::GpuChannelHost> channel_;
   scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
 
   base::Lock context_lock_;  // Referenced by command_buffer_.
   std::unique_ptr<gpu::CommandBufferProxyImpl> command_buffer_;
   std::unique_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
   std::unique_ptr<gpu::TransferBuffer> transfer_buffer_;
   std::unique_ptr<gpu::gles2::GLES2Implementation> gles2_impl_;
   std::unique_ptr<gpu::gles2::GLES2TraceImplementation> trace_impl_;
   std::unique_ptr<skia_bindings::GrContextForGLES2Interface> gr_context_;
 
   LostContextCallback lost_context_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_