Replaced usage of RefPtr::Release with std::move wraps.

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

Index: third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
index 0318762019714a040c9bda86b945d5ab1d1e268a..294d084a8fb4f37708c6436d4941f5eca7aa8f0a 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -1143,7 +1143,7 @@ ShapeValue* StyleBuilderConverter::ConvertShapeValue(StyleResolverState& state,
   }
 
   if (shape)
-    return ShapeValue::CreateShapeValue(shape.Release(), css_box);
+    return ShapeValue::CreateShapeValue(std::move(shape), css_box);
 
   DCHECK_NE(css_box, kBoxMissing);
   return ShapeValue::CreateBoxShapeValue(css_box);