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

Source/core/rendering/RenderTextControlSingleLine.cpp

 /**
  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 328 matching lines @@
 
     textBlockStyle->setWhiteSpace(PRE);
     textBlockStyle->setOverflowWrap(NormalOverflowWrap);
     textBlockStyle->setOverflowX(OHIDDEN);
     textBlockStyle->setOverflowY(OHIDDEN);
     textBlockStyle->setTextOverflow(textShouldBeTruncated() ? TextOverflowEllipsis : TextOverflowClip);
 
     if (m_desiredInnerEditorLogicalHeight >= 0)
         textBlockStyle->setLogicalHeight(Length(m_desiredInnerEditorLogicalHeight, Fixed));
     // Do not allow line-height to be smaller than our default.
-    if (textBlockStyle->fontMetrics().lineSpacing() > lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes))
+    if (textBlockStyle->fontMetrics().lineSpacing() > lineHeight(FirstLineStyle, HorizontalLine, PositionOfInteriorLineBoxes))
         textBlockStyle->setLineHeight(RenderStyle::initialLineHeight());
 
     textBlockStyle->setDisplay(BLOCK);
     textBlockStyle->setUnique();
 
     if (inputElement()->shouldRevealPassword())
         textBlockStyle->setTextSecurity(TSNONE);
 
     return textBlockStyle.release();
 }
@@ skipping 51 matching lines @@
     if (innerEditorElement())
         innerEditorElement()->setScrollTop(newTop);
 }
 
 HTMLInputElement* RenderTextControlSingleLine::inputElement() const
 {
     return toHTMLInputElement(node());
 }
 
 }