Provide task runner to GLES2Impl / CommandBuffer at creation

gpu/command_buffer/client/gles2_implementation.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 GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 147 matching lines @@
 
   // Number of swap buffers allowed before waiting.
   static const size_t kMaxSwapBuffers = 2;
 
   GLES2Implementation(GLES2CmdHelper* helper,
                       scoped_refptr<ShareGroup> share_group,
                       TransferBufferInterface* transfer_buffer,
                       bool bind_generates_resource,
                       bool lose_context_when_out_of_memory,
                       bool support_client_side_arrays,
-                      GpuControl* gpu_control);
+                      GpuControl* gpu_control,
+                      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   ~GLES2Implementation() override;
 
   bool Initialize(
       unsigned int starting_transfer_buffer_size,
       unsigned int min_transfer_buffer_size,
       unsigned int max_transfer_buffer_size,
       unsigned int mapped_memory_limit);
 
   // The GLES2CmdHelper being used by this GLES2Implementation. You can use
@@ skipping 705 matching lines @@
 
 inline bool GLES2Implementation::GetTexParameterivHelper(
     GLenum /* target */, GLenum /* pname */, GLint* /* params */) {
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_