Handle more <length> properties in animation

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 622 matching lines @@
     case CSSPropertyCy:
         style->setCy(animatableValueToLength(value, state));
         return;
     case CSSPropertyX:
         style->setX(animatableValueToLength(value, state));
         return;
     case CSSPropertyY:
         style->setY(animatableValueToLength(value, state));
         return;
     case CSSPropertyR:
-        style->setR(animatableValueToLength(value, state));
+        style->setR(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
     case CSSPropertyRx:
-        style->setRx(animatableValueToLength(value, state));
+        style->setRx(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
     case CSSPropertyRy:
-        style->setRy(animatableValueToLength(value, state));
+        style->setRy(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
 
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink