Add ScopedSurfaceRequestManager

gpu/ipc/common/android/scoped_surface_request_conduit.h

+// Copyright 2016 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_IPC_COMMON_ANDROID_SCOPED_SURFACE_REQUEST_CONDUIT_H_
+#define GPU_IPC_COMMON_ANDROID_SCOPED_SURFACE_REQUEST_CONDUIT_H_
+
+#include <stdint.h>
+
+#include "base/callback_forward.h"

[watk, 2016/08/29 19:42:26]

Delete

[tguilbert, 2016/08/30 22:53:09]

Done.

+#include "gpu/gpu_export.h"
+
+namespace gl {
+class SurfaceTexture;
+class ScopedJavaSurface;

[watk, 2016/08/29 19:42:27]

Delete

[tguilbert, 2016/08/30 22:53:09]

Done.

+}
+
+namespace gpu {
+
+// Defines an interface that allows the registration of gl::ScopedJavaSurface

[watk, 2016/08/29 19:42:26]

Out of date. nit: you can drop the "Defines an interface that"

[tguilbert, 2016/08/30 22:53:09]

Done.

+// requests in the browser process, and the forwarding of SurfaceTextures from
+// the GPU or the browser process to fulfill those requests at a later time.
+class GPU_EXPORT ScopedSurfaceRequestConduit {
+ public:
+  static ScopedSurfaceRequestConduit* GetInstance();
+  static void SetInstance(ScopedSurfaceRequestConduit* instance);
+
+  // Gets and unregisters the callback under |request_id|, and runs the callback
+  // with a gl:ScopedJavaSurface built from |surface_texture|.
+  // If |request_id| does not map to a request, nothing happens.
+  // N.B: Can be called from the GPU or the browser process.
+  virtual void FulfillScopedSurfaceRequest(
+      uint64_t request_id,
+      gl::SurfaceTexture* surface_texture) = 0;
+
+ protected:
+  virtual ~ScopedSurfaceRequestConduit() {}
+};
+
+}  // namespace gpu
+
+#endif  // GPU_IPC_COMMON_ANDROID_SCOPED_SURFACE_REQUEST_CONDUIT_H_