Revert 115573 - Move Length and CSS length computation to float

Source/WebCore/css/CSSPrimitiveValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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 24 matching lines @@
 class DashboardRegion;
 class Pair;
 class Quad;
 class RGBColor;
 class Rect;
 class RenderStyle;
 class CSSWrapShape;
 
 struct Length;
 
-// Dimension calculations are imprecise, often resulting in values of e.g.
-// 44.99998. We need to go ahead and round if we're really close to the next
-// integer value.
 template<typename T> inline T roundForImpreciseConversion(double value)
 {
+    // Dimension calculations are imprecise, often resulting in values of e.g.
+    // 44.99998.  We need to go ahead and round if we're really close to the
+    // next integer value.
     value += (value < 0) ? -0.01 : +0.01;
     return ((value > std::numeric_limits<T>::max()) || (value < std::numeric_limits<T>::min())) ? 0 : static_cast<T>(value);
 }
 
-template<> inline float roundForImpreciseConversion(double value)
-{
-    double ceiledValue = ceil(value);
-    double proximityToNextInt = ceiledValue - value;
-    if (proximityToNextInt <= 0.01 && value > 0)
-        return static_cast<float>(ceiledValue);
-    if (proximityToNextInt >= 0.99 && value < 0)
-        return static_cast<float>(floor(value));
-    return static_cast<float>(value);
-}
-
 class CSSPrimitiveValue : public CSSValue {
 public:
     enum UnitTypes {
         CSS_UNKNOWN = 0,
         CSS_NUMBER = 1,
         CSS_PERCENTAGE = 2,
         CSS_EMS = 3,
         CSS_EXS = 4,
         CSS_PX = 5,
         CSS_CM = 6,
@@ skipping 264 matching lines @@
         Pair* pair;
         DashboardRegion* region;
         CSSWrapShape* shape;
         CSSCalcValue* calc;
     } m_value;
 };
 
 } // namespace WebCore
 
 #endif // CSSPrimitiveValue_h