Change RenderObject::style(bool) to accept an enum instead

Source/core/rendering/RenderRubyRun.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 246 matching lines @@
             lastLineBottom += rb->logicalTop();
         }
 
         rt->setLogicalTop(-firstLineRubyTextTop + lastLineBottom);
     }
 
     // Update our overflow to account for the new RenderRubyText position.
     computeOverflow(clientLogicalBottom());
 }
 
-void RenderRubyRun::getOverhang(bool firstLine, RenderObject* startRenderer, RenderObject* endRenderer, int& startOverhang, int& endOverhang) const
+void RenderRubyRun::getOverhang(bool isFirstLine, RenderObject* startRenderer, RenderObject* endRenderer, int& startOverhang, int& endOverhang) const
 {
     ASSERT(!needsLayout());
 
     startOverhang = 0;
     endOverhang = 0;
 
     RenderRubyBase* rubyBase = this->rubyBase();
     RenderRubyText* rubyText = this->rubyText();
 
     if (!rubyBase || !rubyText)
         return;
 
     if (!rubyBase->firstRootBox())
         return;
 
+    const OwnOrFirstLineStyle firstLine = isFirstLine ? FirstLineStyle : OwnStyle;
     int logicalWidth = this->logicalWidth();
     int logicalLeftOverhang = std::numeric_limits<int>::max();
     int logicalRightOverhang = std::numeric_limits<int>::max();
     for (RootInlineBox* rootInlineBox = rubyBase->firstRootBox(); rootInlineBox; rootInlineBox = rootInlineBox->nextRootBox()) {
         logicalLeftOverhang = std::min<int>(logicalLeftOverhang, rootInlineBox->logicalLeft());
         logicalRightOverhang = std::min<int>(logicalRightOverhang, logicalWidth - rootInlineBox->logicalRight());
     }
 
     startOverhang = style()->isLeftToRightDirection() ? logicalLeftOverhang : logicalRightOverhang;
     endOverhang = style()->isLeftToRightDirection() ? logicalRightOverhang : logicalLeftOverhang;
 
     if (!startRenderer || !startRenderer->isText() || startRenderer->style(firstLine)->fontSize() > rubyBase->style(firstLine)->fontSize())
         startOverhang = 0;
 
     if (!endRenderer || !endRenderer->isText() || endRenderer->style(firstLine)->fontSize() > rubyBase->style(firstLine)->fontSize())
         endOverhang = 0;
 
     // We overhang a ruby only if the neighboring render object is a text.
     // We can overhang the ruby by no more than half the width of the neighboring text
     // and no more than half the font size.
     int halfWidthOfFontSize = rubyText->style(firstLine)->fontSize() / 2;
     if (startOverhang)
         startOverhang = std::min<int>(startOverhang, std::min<int>(toRenderText(startRenderer)->minLogicalWidth(), halfWidthOfFontSize));
     if (endOverhang)
         endOverhang = std::min<int>(endOverhang, std::min<int>(toRenderText(endRenderer)->minLogicalWidth(), halfWidthOfFontSize));
 }
 
 } // namespace WebCore