Replaced RefPtr::release with std::move in Source/core.

third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp

Index: third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp
diff --git a/third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp b/third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp
index c1a2afb8fd644d86a00477e4879d99cd71f3cdcc..b883dbd1fbe3dd7b6c27bfe6b852451f966d8d9f 100644
--- a/third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp
+++ b/third_party/WebKit/Source/core/animation/CustomCompositorAnimations.cpp
@@ -92,7 +92,7 @@ void CustomCompositorAnimations::applyUpdate(
     RefPtr<AnimatableValue> animatableValue =
         AnimatableDouble::create(mutation.opacity());
     m_animation = createOrUpdateAnimation(
-        m_animation, element, CSSPropertyOpacity, animatableValue.release());
+        m_animation, element, CSSPropertyOpacity, std::move(animatableValue));
   }
   if (mutation.isTransformMutated()) {
     TransformOperations ops;
@@ -101,7 +101,7 @@ void CustomCompositorAnimations::applyUpdate(
     RefPtr<AnimatableValue> animatableValue =
         AnimatableTransform::create(ops, 1);
     m_animation = createOrUpdateAnimation(
-        m_animation, element, CSSPropertyTransform, animatableValue.release());
+        m_animation, element, CSSPropertyTransform, std::move(animatableValue));
   }
 }