Improve positioned/percentHeight descendant/container tracking

third_party/WebKit/Source/core/layout/LayoutRubyRun.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 110 matching lines @@
             // Insertion before a ruby base object.
             // In this case we need insert a new run before the current one and split the base.
             LayoutObject* ruby = parent();
             LayoutRubyRun* newRun = staticCreateRubyRun(ruby);
             ruby->addChild(newRun, this);
             newRun->addChild(child);
 
             // Make sure we don't leave anything in the percentage descendant
             // map before moving the children to the new base.
             if (hasPercentHeightDescendants())
-                clearPercentHeightDescendantsFrom(this);
+                clearPercentHeightDescendants();
             rubyBaseSafe()->moveChildren(newRun->rubyBaseSafe(), beforeChild);
         }
     } else {
         // child is not a text -> insert it into the base
         // (append it instead if beforeChild is the ruby text)
         LayoutRubyBase* base = rubyBaseSafe();
         if (beforeChild == base)
             beforeChild = base->firstChild();
         if (beforeChild && beforeChild->isRubyText())
             beforeChild = 0;
@@ skipping 182 matching lines @@
     case U_LB_GLUE:
     case U_LB_OPEN_PUNCTUATION:
         return false;
     default:
         break;
     }
     return true;
 }
 
 } // namespace blink