Enable SurfaceView fullscreen video on Android with WebMediaPlayerImpl

media/base/surface_manager.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 MEDIA_BASE_SURFACE_MANAGER_H_
+#define MEDIA_BASE_SURFACE_MANAGER_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "media/base/media_export.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace media {
+
+using SurfaceCreatedCB = base::Callback<void(int)>;
+using RequestSurfaceCB = base::Callback<void(const SurfaceCreatedCB&)>;
+
+class MEDIA_EXPORT SurfaceManager {
+ public:
+  enum { kNoSurfaceID = -1 };
+
+  SurfaceManager() {}
+  virtual ~SurfaceManager() {}
+
+  virtual void CreateFullscreenSurface(
+      const gfx::Size& video_natural_size,
+      const SurfaceCreatedCB& surface_created_cb) = 0;
+
+  // Call when the natural size of the fullscreen video changed. The surface
+  // will be resized to match the aspect ratio.
+  virtual void NaturalSizeChanged(const gfx::Size& size) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SurfaceManager);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_SURFACE_MANAGER_H_