Bind GrContext to GLES2Interface rather than C GLES interface

gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h

 // Copyright 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 GPU_SKIA_BINDINGS_GL_BINDINGS_SKIA_CMD_BUFFER_H_
 #define GPU_SKIA_BINDINGS_GL_BINDINGS_SKIA_CMD_BUFFER_H_
 
 #include "third_party/skia/include/core/SkTypes.h"
 
 struct GrGLInterface;
 
+namespace gpu {
+namespace gles2 {
+class GLES2Interface;
+}  // namespace gles2
+}  // namespace gpu
+
 namespace skia_bindings {
 
 // The GPU back-end for skia requires pointers to GL functions. This function
-// initializes bindings for skia-gpu to the cmd buffers GL.
-void InitCommandBufferSkiaGLBinding(GrGLInterface*);
+// initializes bindings for skia-gpu to a GLES2Interface object.
+void InitGLES2InterfaceBindings(GrGLInterface*, gpu::gles2::GLES2Interface*);
 
-}  // namespace skia
+}  // namespace skia_bindings
 
 #endif  // GPU_SKIA_BINDINGS_GL_BINDINGS_SKIA_CMD_BUFFER_H_