Make font-size-adjust animatable.

Source/core/animation/StringKeyframe.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/StringKeyframe.h"
 
 #include "core/animation/ColorStyleInterpolation.h"
 #include "core/animation/CompositorAnimations.h"
 #include "core/animation/ConstantStyleInterpolation.h"
@@ skipping 93 matching lines @@
     case CSSPropertyFloodOpacity:
     case CSSPropertyStopOpacity:
     case CSSPropertyStrokeOpacity:
     case CSSPropertyShapeImageThreshold:
         return RangeZeroToOne;
     case CSSPropertyFillOpacity:
     case CSSPropertyOpacity:
         return RangeOpacityFIXME;
     case CSSPropertyStrokeMiterlimit:
         return RangeGreaterThanOrEqualToOne;
+    case CSSPropertyFontSizeAdjust:
+        return RangeNonNegative;
     default:
         ASSERT_NOT_REACHED();
         return RangeAll;
     }
 }
 
 } // namespace
 
 // FIXME: Refactor this into a generic piece that lives in InterpolationEffect, and a template parameter specific converter.
 PassRefPtrWillBeRawPtr<Interpolation> StringKeyframe::PropertySpecificKeyframe::maybeCreateInterpolation(CSSPropertyID property, Keyframe::PropertySpecificKeyframe& end, Element* element) const
@@ skipping 82 matching lines @@
             fallBackToLegacy = true;
 
         break;
     case CSSPropertyOrphans:
     case CSSPropertyWidows:
     case CSSPropertyZIndex:
     case CSSPropertyWebkitColumnCount:
     case CSSPropertyShapeImageThreshold:
     case CSSPropertyFillOpacity:
     case CSSPropertyFloodOpacity:
+    case CSSPropertyFontSizeAdjust:
     case CSSPropertyOpacity:
     case CSSPropertyStopOpacity:
     case CSSPropertyStrokeOpacity:
     case CSSPropertyStrokeMiterlimit:
         if (DoubleStyleInterpolation::canCreateFrom(*fromCSSValue) && DoubleStyleInterpolation::canCreateFrom(*toCSSValue))
             return DoubleStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, toCSSPrimitiveValue(fromCSSValue)->primitiveType(), setRange(property));
         break;
 
     case CSSPropertyMotionRotation: {
         RefPtrWillBeRawPtr<Interpolation> interpolation = DoubleStyleInterpolation::maybeCreateFromMotionRotation(*fromCSSValue, *toCSSValue, property);
@@ skipping 161 matching lines @@
 }
 
 DEFINE_TRACE(StringKeyframe::PropertySpecificKeyframe)
 {
     visitor->trace(m_value);
     visitor->trace(m_animatableValueCache);
     Keyframe::PropertySpecificKeyframe::trace(visitor);
 }
 
 }