Add support to send optimal format as part of ScheduleOverlayPlane

ui/gl/gl_image_ozone_native_pixmap.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_IMAGE_OZONE_NATIVE_PIXMAP_H_
 #define UI_GL_GL_IMAGE_OZONE_NATIVE_PIXMAP_H_
 
 #include "ui/gfx/buffer_types.h"
 #include "ui/gl/gl_image_egl.h"
 #include "ui/ozone/public/native_pixmap.h"
 
 namespace gfx {
 
 class GL_EXPORT GLImageOzoneNativePixmap : public gl::GLImageEGL {
  public:
   GLImageOzoneNativePixmap(const Size& size, unsigned internalformat);
 
   bool Initialize(ui::NativePixmap* pixmap, BufferFormat format);
 
   // Overridden from GLImage:
   unsigned GetInternalFormat() override;
   void Destroy(bool have_context) override;
   bool ScheduleOverlayPlane(AcceleratedWidget widget,
                             int z_order,
                             OverlayTransform transform,
+                            gfx::BufferFormat storage_format,
                             const Rect& bounds_rect,
-                            const RectF& crop_rect) override;
+                            const RectF& crop_rect,
+                            bool handle_scaling) override;
   void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                     uint64_t process_tracing_id,
                     const std::string& dump_name) override;
 
  protected:
   ~GLImageOzoneNativePixmap() override;
 
  private:
   unsigned internalformat_;
   scoped_refptr<ui::NativePixmap> pixmap_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMAGE_OZONE_NATIVE_PIXMAP_H_