content: Out-of-process GPU service support for SurfaceTexture backed GpuMemoryBuffers.

ui/gl/android/surface_texture_tracker.h

-// Copyright 2014 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 UI_GL_ANDROID_SURFACE_TEXTURE_TRACKER_H_
-#define UI_GL_ANDROID_SURFACE_TEXTURE_TRACKER_H_
-
-#include "base/memory/ref_counted.h"
-#include "ui/gl/gl_export.h"
-
-namespace gfx {
-
-class SurfaceTexture;
-
-// This interface is used to take ownership of preallocated surface textures
-// with specific ids.
-class GL_EXPORT SurfaceTextureTracker {
- public:
-  static SurfaceTextureTracker* GetInstance();
-  static void InitInstance(SurfaceTextureTracker* tracker);
-
-  virtual scoped_refptr<SurfaceTexture> AcquireSurfaceTexture(
-      int primary_id,
-      int secondary_id) = 0;
-
- protected:
-  virtual ~SurfaceTextureTracker() {}
-};
-
-}  // namespace gfx
-
-#endif  // UI_GL_ANDROID_SURFACE_TEXTURE_TRACKER_H_