Revert 115573 - Move Length and CSS length computation to float

Source/WebCore/platform/Length.h

 /*
     Copyright (C) 1999 Lars Knoll (knoll@kde.org)
     Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
     Copyright (C) 2011 Rik Cabanier (cabanier@adobe.com)
     Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
 
     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 91 matching lines @@
         }
         
         if (m_isFloat)
             m_floatValue = static_cast<float>(m_floatValue * v);
         else        
             m_intValue = static_cast<int>(m_intValue * v);
         
         return *this;
     }
     
-    inline float value() const
+    int value() const
     {
-        return getFloatValue();
-    }
-
-     int intValue() const
-     {
         if (isCalculated()) {
             ASSERT_NOT_REACHED();
             return 0;
         }
         return getIntValue();
     }
 
+    // FIXME: When we switch to sub-pixel layout, value will return float by default, and this will inherit
+    // the current implementation of value().
+    int intValue() const
+    {
+        return value();
+    }
+
     float percent() const
     {
         ASSERT(type() == Percent);
         return getFloatValue();
     }
 
     PassRefPtr<CalculationValue> calculationValue() const;
 
     LengthType type() const { return static_cast<LengthType>(m_type); }
     bool quirk() const { return m_quirk; }
@@ skipping 155 matching lines @@
     unsigned char m_type;
     bool m_isFloat;
 };
 
 PassOwnArrayPtr<Length> newCoordsArray(const String&, int& len);
 PassOwnArrayPtr<Length> newLengthArray(const String&, int& len);
 
 } // namespace WebCore
 
 #endif // Length_h