Handling transition animation between non-interpolable values.

third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp

Index: third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp
diff --git a/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp b/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp
index 67647d335dc27e152c3937d6ff5d7ae7871b7d06..f4d180999ee7361d04f2e0e102c68c3695bcae36 100644
--- a/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp
+++ b/third_party/WebKit/Source/core/animation/animatable/AnimatableLengthSize.cpp
@@ -46,4 +46,11 @@ bool AnimatableLengthSize::equalTo(const AnimatableValue* value) const
     return width()->equals(lengthSize->width()) && height()->equals(lengthSize->height());
 }
 
+bool AnimatableLengthSize::usesDefaultInterpolationWith(const AnimatableValue* other) const
+{
+    const AnimatableLengthSize* lengthSize = toAnimatableLengthSize(other);
+    return usesDefaultInterpolation(this->width(), lengthSize->width())
+        || usesDefaultInterpolation(this->height(), lengthSize->height());

[alancutter (OOO until 2018), 2016/02/28 23:14:21]

"this->" is redundant and can be removed.

+}
+
 } // namespace blink