Remove PageOverlays.

sky/engine/web/PageWidgetDelegate.h

Index: sky/engine/web/PageWidgetDelegate.h
diff --git a/sky/engine/web/PageWidgetDelegate.h b/sky/engine/web/PageWidgetDelegate.h
index 2a338aa5caaf4f4a89696b861a2712b276714fe5..23704de148f8fcdd77ce8a108cab5c7d319b66c4 100644
--- a/sky/engine/web/PageWidgetDelegate.h
+++ b/sky/engine/web/PageWidgetDelegate.h
@@ -39,7 +39,6 @@ namespace blink {
 
 class LocalFrame;
 class Page;
-class PageOverlayList;
 class WebGestureEvent;
 class WebInputEvent;
 class WebKeyboardEvent;
@@ -74,7 +73,7 @@ public:
     // Page's mainFrame(), if it is a LocalFrame.
     static void animate(Page*, double monotonicFrameBeginTime, LocalFrame* rootFrame = 0);
     static void layout(Page*, LocalFrame* rootFrame = 0);
-    static void paint(Page*, PageOverlayList*, WebCanvas*, const WebRect&, CanvasBackground, LocalFrame* rootFrame = 0);
+    static void paint(Page*, WebCanvas*, const WebRect&, CanvasBackground, LocalFrame* rootFrame = 0);
     static bool handleInputEvent(Page*, PageWidgetEventHandler&, const WebInputEvent&, LocalFrame* rootFrame = 0);
 
 private: