CSS Motion Path: Implement animation for the offset-path property

third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp

Index: third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp b/third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp
index 5501d85711565728aaa27bedf0ffdce1dc2dfb32..7bf85948fef5037049d900d031ed84232c470fec 100644
--- a/third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/AnimatedStyleBuilder.cpp
@@ -792,6 +792,9 @@ void AnimatedStyleBuilder::applyProperty(CSSPropertyID property,
     case CSSPropertyOffsetDistance:
       style->setOffsetDistance(animatableValueToLength(value, state));
       return;
+    case CSSPropertyOffsetPath:
+      style->setOffsetPath(toAnimatablePath(value)->path());
+      return;
     case CSSPropertyOffsetPosition:
       style->setOffsetPosition(animatableValueToLengthPoint(value, state));
       return;