Add NativeViewGLSurfaceEGL::CommitOverlayPlanes support for Android

ui/gl/gl_surface_overlay.h

+// Copyright 2015 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_GL_SURFACE_OVERLAY_H_
+#define UI_GL_GL_SURFACE_OVERLAY_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/overlay_transform.h"
+#include "ui/gl/gl_image.h"
+
+namespace gfx {
+
+// For saving the properties of a GLImage overlay plane and scheduling it later.
+class GLSurfaceOverlay {
+ public:
+  GLSurfaceOverlay(int z_order,
+                   OverlayTransform transform,
+                   gl::GLImage* image,
+                   const Rect& bounds_rect,
+                   const RectF& crop_rect);
+  ~GLSurfaceOverlay();
+
+  // Schedule the image as an overlay plane to be shown at swap time for
+  // |widget|.
+  bool ScheduleOverlayPlane(AcceleratedWidget widget) const;
+
+ private:
+  int z_order_;
+  OverlayTransform transform_;
+  scoped_refptr<gl::GLImage> image_;
+  Rect bounds_rect_;
+  RectF crop_rect_;
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_SURFACE_OVERLAY_H_