Move skia related files from content/common/gpu/client to gpu/skia_bindings.

content/common/gpu/client/grcontext_for_gles2_interface.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_GRCONTEXT_FOR_GLES2_INTERFACE_H_
-#define CONTENT_COMMON_GPU_CLIENT_GRCONTEXT_FOR_GLES2_INTERFACE_H_
-
-#include "base/macros.h"
-#include "third_party/skia/include/core/SkRefCnt.h"
-
-class GrContext;
-
-namespace gpu {
-namespace gles2 {
-class GLES2Interface;
-}
-}
-
-namespace content {
-
-// This class binds an offscreen GrContext to an offscreen context3d. The
-// context3d is used by the GrContext so must be valid as long as this class
-// is alive.
-class GrContextForGLES2Interface {
- public:
-  explicit GrContextForGLES2Interface(gpu::gles2::GLES2Interface* gl);
-  virtual ~GrContextForGLES2Interface();
-
-  GrContext* get() { return gr_context_.get(); }
-
-  void OnLostContext();
-  void FreeGpuResources();
-
- private:
-  sk_sp<class GrContext> gr_context_;
-
-  DISALLOW_COPY_AND_ASSIGN(GrContextForGLES2Interface);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_CLIENT_GRCONTEXT_FOR_GLES2_INTERFACE_H_