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

Source/modules/serviceworkers/Request.idl

Index: Source/modules/serviceworkers/Request.idl
diff --git a/Source/modules/serviceworkers/Request.idl b/Source/modules/serviceworkers/Request.idl
index dc63344d844278a7426366090dcce213dfe63fe3..a94bb30cd3498453a531d7dbb4b9604f3192f205 100644
--- a/Source/modules/serviceworkers/Request.idl
+++ b/Source/modules/serviceworkers/Request.idl
@@ -8,7 +8,7 @@ enum RequestMode { "same-origin", "no-cors", "cors" };
 enum RequestCredentials { "omit", "same-origin", "include" };
 
 [
-    Constructor(ScalarValueString input, optional Dictionary requestInitDict),
+    Constructor(USVString input, optional Dictionary requestInitDict),
     Constructor(Request input, optional Dictionary requestInitDict),
     ConstructorCallWith=ExecutionContext,
     RuntimeEnabled=ServiceWorker,
@@ -18,7 +18,7 @@ enum RequestCredentials { "omit", "same-origin", "include" };
     GarbageCollected,
 ] interface Request {
     readonly attribute ByteString method;
-    readonly attribute ScalarValueString url;
+    readonly attribute USVString url;
     readonly attribute Headers headers;
 
     readonly attribute DOMString referrer;