Rename 'ScalarValueString' to 'USVString' to match Web IDL

Source/modules/serviceworkers/Response.idl

Index: Source/modules/serviceworkers/Response.idl
diff --git a/Source/modules/serviceworkers/Response.idl b/Source/modules/serviceworkers/Response.idl
index baad6f0dcc67e6a059f6bb2d1dc5fb06adce712c..3b122d09a69a70ae4e828655102cba08b2118944 100644
--- a/Source/modules/serviceworkers/Response.idl
+++ b/Source/modules/serviceworkers/Response.idl
@@ -8,7 +8,7 @@ enum ResponseType { "basic", "cors", "default", "error", "opaque" };
 
 [
     // FIXME: Add ctors for FormData and URLSearchParams response bodies.
-    Constructor(ScalarValueString body, optional Dictionary responseInitDict),
+    Constructor(USVString body, optional Dictionary responseInitDict),
     Constructor(Blob? body, optional Dictionary responseInitDict),
     Constructor(ArrayBuffer input, optional Dictionary requestInitDict),
     Constructor(ArrayBufferView input, optional Dictionary requestInitDict),
@@ -21,7 +21,7 @@ enum ResponseType { "basic", "cors", "default", "error", "opaque" };
 ] interface Response {
     // FIXME: Implement redirect().
     readonly attribute ResponseType type;
-    readonly attribute ScalarValueString url;
+    readonly attribute USVString url;
     readonly attribute unsigned short status;
     readonly attribute ByteString statusText;
     readonly attribute Headers headers;