Add InProcessContextProvider and update InProcessCommandBuffer

gpu/ipc/gl_in_process_context.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_IPC_GL_IN_PROCESS_CONTEXT_H_
 #define GPU_IPC_GL_IN_PROCESS_CONTEXT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 10 matching lines @@
 class Size;
 }
 
 #if defined(OS_ANDROID)
 namespace gl {
 class SurfaceTexture;
 }
 #endif
 
 namespace gpu {
+class InProcessCommandBuffer;
 struct SharedMemoryLimits;
 
 namespace gles2 {
 class GLES2Implementation;
 }
 
 class GL_IN_PROCESS_CONTEXT_EXPORT GLInProcessContext {
  public:
   virtual ~GLInProcessContext() {}
 
@@ skipping 14 matching lines @@
       const gpu::gles2::ContextCreationAttribHelper& attribs,
       const SharedMemoryLimits& memory_limits,
       GpuMemoryBufferManager* gpu_memory_buffer_manager,
       ImageFactory* image_factory,
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   // Allows direct access to the GLES2 implementation so a GLInProcessContext
   // can be used without making it current.
   virtual gles2::GLES2Implementation* GetImplementation() = 0;
 
+  virtual InProcessCommandBuffer* GetInProcessCommandBuffer() = 0;
+
   virtual void SetLock(base::Lock* lock) = 0;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_GL_IN_PROCESS_CONTEXT_H_