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

content/common/android/surface_texture_manager.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 CONTENT_COMMON_ANDROID_SURFACE_TEXTURE_MANAGER_H_
+#define CONTENT_COMMON_ANDROID_SURFACE_TEXTURE_MANAGER_H_
+
+#include "ui/gfx/native_widget_types.h"
+
+namespace gfx {
+class SurfaceTexture;
+}
+
+namespace content {
+
+class SurfaceTextureManager {
+ public:
+  static SurfaceTextureManager* GetInstance();
+  static void InitInstance(SurfaceTextureManager* instance);
+
+  // Register a surface texture for use in another process.
+  virtual void RegisterSurfaceTexture(int surface_texture_id,
+                                      int client_id,
+                                      gfx::SurfaceTexture* surface_texture) = 0;
+
+  // Unregister a surface texture previously registered for use in another
+  // process.
+  virtual void UnregisterSurfaceTexture(int surface_texture_id,
+                                        int client_id) = 0;
+
+  // Acquire native widget for surface texture.
+  virtual gfx::AcceleratedWidget AcquireNativeWidget(int surface_texture_id,
+                                                     int client_id) = 0;
+
+ protected:
+  virtual ~SurfaceTextureManager() {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_ANDROID_SURFACE_TEXTURE_MANAGER_H_