Implement URLSearchParams.

Source/core/dom/URLSearchParams.idl

 /*
  * Copyright (c) 2014, Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 [
-    RuntimeEnabled=HighResolutionTimeInWorkers,
-] partial interface SharedWorker {
-    // See https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/HighResolutionTime2/Overview.html for details.
-    [CallWith=ExecutionContext] readonly attribute double workerStart;
+    Constructor(),
+    Constructor(DOMString queryString),
+    Constructor(URLSearchParams initial),
+    ImplementedAs=DOMURLSearchParams
+] interface URLSearchParams {
+    [NotEnumerable] DOMString toString();
+
+    [ImplementedAs=appendNameValue] void append(DOMString name, DOMString value);
+    [ImplementedAs=deleteAllWithName]void delete(DOMString name);
+    [ImplementedAs=getFirstValue, TreatReturnedNullStringAs=Null] DOMString get(DOMString name);
+    [ImplementedAs=getAllValues] sequence<DOMString> getAll(DOMString name);
+    [ImplementedAs=hasName] boolean has(DOMString name);
+    [ImplementedAs=setNameValue]void set(DOMString name, DOMString value);
 };