[builtins] Move EncodeURI from runtime to builtins.

src/js/uri.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains support for URI manipulations written in
 // JavaScript.
 
 (function(global, utils) {
 
 "use strict";
@@ skipping 201 matching lines @@
   };
   return Decode(uri, reservedPredicate);
 }
 
 // ECMA-262 - 15.1.3.2.
 function URIDecodeComponent(component) {
   var reservedPredicate = function(cc) { return false; };
   return Decode(component, reservedPredicate);
 }
 
-// ECMA-262 - 15.1.3.3.
-function URIEncode(uri) {
-  uri = TO_STRING(uri);
-  return %URIEncode(uri, true);
-}
-
-// ECMA-262 - 15.1.3.4
-function URIEncodeComponent(component) {
-  component = TO_STRING(component);
-  return %URIEncode(component, false);
-}
-
 // -------------------------------------------------------------------
 // Install exported functions.
 
 // Set up non-enumerable URI functions on the global object and set
 // their names.
 utils.InstallFunctions(global, DONT_ENUM, [
   "escape", URIEscapeJS,
   "unescape", URIUnescapeJS,
   "decodeURI", URIDecode,
-  "decodeURIComponent", URIDecodeComponent,
-  "encodeURI", URIEncode,
-  "encodeURIComponent", URIEncodeComponent
+  "decodeURIComponent", URIDecodeComponent
 ]);
 
 })