Explicitly compare FontVariant to enumerators.

Source/core/rendering/RenderText.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 695 matching lines @@
 }
 
 ALWAYS_INLINE float RenderText::widthFromCache(const Font& f, int start, int len, float xPos, TextDirection textDirection, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
 {
     if (style()->hasTextCombine() && isCombineText()) {
         const RenderCombineText* combineText = toRenderCombineText(this);
         if (combineText->isCombined())
             return combineText->combinedTextWidth(f);
     }
 
-    if (f.isFixedPitch() && !f.fontDescription().variant() && m_isAllASCII && (!glyphOverflow || !glyphOverflow->computeBounds)) {
+    if (f.isFixedPitch() && f.fontDescription().variant() == FontVariantNormal && m_isAllASCII && (!glyphOverflow || !glyphOverflow->computeBounds)) {
         float monospaceCharacterWidth = f.spaceWidth();
         float w = 0;
         bool isSpace;
         ASSERT(m_text);
         StringImpl& text = *m_text.impl();
         for (int i = start; i < start + len; i++) {
             char c = text[i];
             if (c <= ' ') {
                 if (c == ' ' || c == '\n') {
                     w += monospaceCharacterWidth;
@@ skipping 1141 matching lines @@
     }
     secureTextTimer->restartWithNewText(lastTypedCharacterOffset);
 }
 
 PassRefPtr<AbstractInlineTextBox> RenderText::firstAbstractInlineTextBox()
 {
     return AbstractInlineTextBox::getOrCreate(this, m_firstTextBox);
 }
 
 } // namespace WebCore