Fix Mac resize, delete more Mac code

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>
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "cc/output/context_provider.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/client/command_buffer_metrics.h"
 #include "gpu/command_buffer/client/shared_memory_limits.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/ipc/common/gpu_stream_constants.h"
 #include "gpu/ipc/common/surface_handle.h"
 #include "ui/gl/gpu_preference.h"
@@ skipping 48 matching lines @@
   gpu::Capabilities ContextCapabilities() override;
   void DeleteCachedResources() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
 
   // Sets up a lock so this context can be used from multiple threads. After
   // calling this, all functions without explicit thread usage constraints can
   // be used on any thread while the lock returned by GetLock() is acquired.
   void SetupLock();
 
+  // Set the default task runner for command buffers to use for handling IPCs.
+  // If not specified, this will be the ThreadTaskRunner for the thread on
+  // which BindToThread is called.
+  void SetDefaultTaskRunner(
+      scoped_refptr<base::SingleThreadTaskRunner> default_task_runner);
+
  protected:
   ~ContextProviderCommandBuffer() override;
 
   void OnLostContext();
 
  private:
   struct SharedProviders : public base::RefCountedThreadSafe<SharedProviders> {
     base::Lock lock;
     std::vector<ContextProviderCommandBuffer*> list;
 
@@ skipping 15 matching lines @@
   gpu::SurfaceHandle surface_handle_;
   GURL active_url_;
   gfx::GpuPreference gpu_preference_;
   bool automatic_flushes_;
   gpu::SharedMemoryLimits memory_limits_;
   gpu::gles2::ContextCreationAttribHelper attributes_;
   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_