Mac Overlays: Plumb through GL solid color overlay support

ui/gl/gl_surface.cc

Index: ui/gl/gl_surface.cc
diff --git a/ui/gl/gl_surface.cc b/ui/gl/gl_surface.cc
index 3c4538e66ee4b755297839187eec74686f232def..f663c2a0bf6a37bb6662bbc854d444711532c272 100644
--- a/ui/gl/gl_surface.cc
+++ b/ui/gl/gl_surface.cc
@@ -189,6 +189,16 @@ bool GLSurface::ScheduleOverlayPlane(int z_order,
   return false;
 }
 
+bool GLSurface::ScheduleSolidColorOverlayPlane(int z_order,
+                                              const Rect& bounds_rect,
+                                              float red,
+                                              float green,
+                                              float blue,
+                                              float alpha) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
 bool GLSurface::IsSurfaceless() const {
   return false;
 }