Fix mouse cursor update timer to be page-global instead of per-frame

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1925 matching lines @@
             setNeedsLayoutAndPrefWidthsRecalc(LayoutInvalidationReason::StyleChange);
     } else if (diff.needsPositionedMovementLayout()) {
         setNeedsPositionedMovementLayout();
     }
 
     // Don't check for paint invalidation here; we need to wait until the layer has been
     // updated by subclasses before we know if we have to invalidate paints (in setStyle()).
 
     if (oldStyle && !areCursorsEqual(oldStyle, style())) {
         if (LocalFrame* frame = this->frame())
-            frame->eventHandler().scheduleCursorUpdate();
+            frame->page()->deprecatedLocalMainFrame()->eventHandler().scheduleCursorUpdate();
     }
 }
 
 void LayoutObject::propagateStyleToAnonymousChildren(bool blockChildrenOnly)
 {
     // FIXME: We could save this call when the change only affected non-inherited properties.
     for (LayoutObject* child = slowFirstChild(); child; child = child->nextSibling()) {
         if (!child->isAnonymous() || child->style()->styleType() != NOPSEUDO)
             continue;
 
@@ skipping 1350 matching lines @@
 {
     if (object1) {
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif