Add support to send optimal format as part of ScheduleOverlayPlane

ui/gl/gl_image_egl.cc

Index: ui/gl/gl_image_egl.cc
diff --git a/ui/gl/gl_image_egl.cc b/ui/gl/gl_image_egl.cc
index c130832375e4eb2d016e0cf97719ba709e776a8e..fb50870ac066e0884f31c5206e5c0a7603524439 100644
--- a/ui/gl/gl_image_egl.cc
+++ b/ui/gl/gl_image_egl.cc
@@ -77,8 +77,10 @@ bool GLImageEGL::CopyTexSubImage(unsigned target,
 bool GLImageEGL::ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                                       int z_order,
                                       gfx::OverlayTransform transform,
+                                      gfx::BufferFormat storage_format,
                                       const gfx::Rect& bounds_rect,
-                                      const gfx::RectF& crop_rect) {
+                                      const gfx::RectF& crop_rect,
+                                      bool handle_scaling) {
   return false;
 }