Allow fractional letter- word-spacing values.

Source/core/page/animation/CSSPropertyAnimation.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer. 
@@ skipping 1090 matching lines @@
     gPropertyWrappers->append(new PropertyWrapper<unsigned short>(CSSPropertyWebkitColumnCount, &RenderStyle::columnCount, &RenderStyle::setColumnCount));
     gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitColumnWidth, &RenderStyle::columnWidth, &RenderStyle::setColumnWidth));
     gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWebkitBorderHorizontalSpacing, &RenderStyle::horizontalBorderSpacing, &RenderStyle::setHorizontalBorderSpacing));
     gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWebkitBorderVerticalSpacing, &RenderStyle::verticalBorderSpacing, &RenderStyle::setVerticalBorderSpacing));
     gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyZIndex, &RenderStyle::zIndex, &RenderStyle::setZIndex));
     gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyOrphans, &RenderStyle::orphans, &RenderStyle::setOrphans));
     gPropertyWrappers->append(new PropertyWrapper<short>(CSSPropertyWidows, &RenderStyle::widows, &RenderStyle::setWidows));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyLineHeight, &RenderStyle::specifiedLineHeight, &RenderStyle::setLineHeight));
     gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyOutlineOffset, &RenderStyle::outlineOffset, &RenderStyle::setOutlineOffset));
     gPropertyWrappers->append(new PropertyWrapper<unsigned short>(CSSPropertyOutlineWidth, &RenderStyle::outlineWidth, &RenderStyle::setOutlineWidth));
-    gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyLetterSpacing, &RenderStyle::letterSpacing, &RenderStyle::setLetterSpacing));
-    gPropertyWrappers->append(new PropertyWrapper<int>(CSSPropertyWordSpacing, &RenderStyle::wordSpacing, &RenderStyle::setWordSpacing));
+    gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyLetterSpacing, &RenderStyle::letterSpacing, &RenderStyle::setLetterSpacing));
+    gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWordSpacing, &RenderStyle::wordSpacing, &RenderStyle::setWordSpacing));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyTextIndent, &RenderStyle::textIndent, &RenderStyle::setTextIndent));
 
     gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitPerspective, &RenderStyle::perspective, &RenderStyle::setPerspective));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitPerspectiveOriginX, &RenderStyle::perspectiveOriginX, &RenderStyle::setPerspectiveOriginX));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitPerspectiveOriginY, &RenderStyle::perspectiveOriginY, &RenderStyle::setPerspectiveOriginY));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitTransformOriginX, &RenderStyle::transformOriginX, &RenderStyle::setTransformOriginX));
     gPropertyWrappers->append(new PropertyWrapper<Length>(CSSPropertyWebkitTransformOriginY, &RenderStyle::transformOriginY, &RenderStyle::setTransformOriginY));
     gPropertyWrappers->append(new PropertyWrapper<float>(CSSPropertyWebkitTransformOriginZ, &RenderStyle::transformOriginZ, &RenderStyle::setTransformOriginZ));
     gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderTopLeftRadius, &RenderStyle::borderTopLeftRadius, &RenderStyle::setBorderTopLeftRadius));
     gPropertyWrappers->append(new PropertyWrapper<LengthSize>(CSSPropertyBorderTopRightRadius, &RenderStyle::borderTopRightRadius, &RenderStyle::setBorderTopRightRadius));
@@ skipping 116 matching lines @@
 }
 
 int CSSPropertyAnimation::getNumProperties()
 {
     ensurePropertyMap();
 
     return gPropertyWrappers->size();
 }
 
 }