Enable SurfaceTexture based zero-copy texture uploading on Android platform

content/common/gpu/surface_texture_bridge_android.h

+// Copyright (c) 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_GPU_SURFACE_TEXTURE_BRIDGE_ANDROID_H_
+#define CONTENT_COMMON_GPU_SURFACE_TEXTURE_BRIDGE_ANDROID_H_
+
+#include "base/basictypes.h"
+#include "content/common/gpu/gpu_command_buffer_stub.h"
+#include "ui/gl/android/surface_texture.h"
+
+namespace gfx {
+class Size;
+}
+
+namespace content {
+
+class SurfaceTextureBridge {
+ public:
+  static gfx::SurfaceTexture* CreateSurfaceTexture(
+      GpuCommandBufferStub* owner_stub,
+      uint32* gpu_texture_id);
+
+  static bool SetupSurfaceTexturePeer(GpuCommandBufferStub* owner_stub,
+                                      void* gpu_memory_buffer,
+                                      gfx::SurfaceTexture* surface_texture);
+
+ private:
+  SurfaceTextureBridge() {}
+  virtual ~SurfaceTextureBridge() {}
+
+  DISALLOW_COPY_AND_ASSIGN(SurfaceTextureBridge);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_SURFACE_TEXTURE_BRIDGE_ANDROID_H_