Cleanups to remove an unnecessary parameter in LayoutBox::mapScrollingContentsRectToBoxSpace.

third_party/WebKit/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/)
@@ skipping 1282 matching lines @@
     return true;
 
   if (LayoutObject* parent = this->parent()) {
     if (parent->isBox()) {
       LayoutBox* parentBox = toLayoutBox(parent);
 
       // Never flip for SVG as it handles writing modes itself.
       if (!isSVG())
         parentBox->flipForWritingMode(rect);
 
-      if (!parentBox->mapScrollingContentsRectToBoxSpace(
-              rect, parent == ancestor ? ApplyNonScrollOverflowClip
-                                       : ApplyOverflowClip,
-              visualRectFlags))
+      if (parent != ancestor &&
+          !parentBox->mapScrollingContentsRectToBoxSpace(rect, visualRectFlags))
         return false;
     }
     return parent->mapToVisualRectInAncestorSpace(ancestor, rect,
                                                   visualRectFlags);
   }
   return true;
 }
 
 void LayoutObject::dirtyLinesFromChangedChild(LayoutObject*, MarkingBehavior) {}
 
@@ skipping 2220 matching lines @@
     const blink::LayoutObject* root = object1;
     while (root->parent())
       root = root->parent();
     root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
   } else {
     WTFLogAlways("%s", "Cannot showLayoutTree. Root is (nil)");
   }
 }
 
 #endif