Make font-size-adjust animatable.

Source/core/css/resolver/AnimatedStyleBuilder.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 373 matching lines @@
         return;
     case CSSPropertyFloodColor:
         style->setFloodColor(toAnimatableColor(value)->color());
         return;
     case CSSPropertyFloodOpacity:
         style->setFloodOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, 1));
         return;
     case CSSPropertyFontSize:
         state.fontBuilder().setSize(animatableValueToFontSize(value));
         return;
+    case CSSPropertyFontSizeAdjust:
+        state.fontBuilder().setSizeAdjust(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0));
+        return;
     case CSSPropertyFontStretch:
         state.fontBuilder().setStretch(animatableValueToFontStretch(value));
         return;
     case CSSPropertyFontWeight:
         state.fontBuilder().setWeight(animatableValueToFontWeight(value));
         return;
     case CSSPropertyHeight:
         style->setHeight(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
     case CSSPropertyLeft:
@@ skipping 244 matching lines @@
     case CSSPropertyRy:
         style->setRy(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
 
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink