Bug 1636761 - Make URLSearchParams not structured-cloneable, r=asuth,…

…webidl

Differential Revision: https://phabricator.services.mozilla.com/D182825

dom/tests/mochitest/whatwg/test_structuredCloneAndExposed.html

@@ -222,11 +222,6 @@
   ["DOMMatrixReadOnly", ["Window", "Worker"], () => new DOMMatrixReadOnly()],
   ["ImageBitmap", ["Window", "Worker"], makeImageBitmap],
   ["RTCCertificate", ["Window"], generateCertificate],
-  [
-    "URLSearchParams",
-    ["Window", "Worker", "WorkerDebugger"],
-    () => new URLSearchParams(),
-  ],
   ["VideoFrame", ["Window", "DedicatedWorker"], makeVideoFrame],
 ];
 

dom/url/URLSearchParams.cpp

@@ -171,60 +171,6 @@ void URLSearchParams::Sort(ErrorResult& aRv) {
   NotifyObserver();
 }
 
-bool URLSearchParams::WriteStructuredClone(
-    JSStructuredCloneWriter* aWriter) const {
-  const uint32_t& nParams = mParams->Length();
-  if (!JS_WriteUint32Pair(aWriter, nParams, 0)) {
-    return false;
-  }
-  for (uint32_t i = 0; i < nParams; ++i) {
-    if (!StructuredCloneHolder::WriteString(aWriter,
-                                            mParams->GetKeyAtIndex(i)) ||
-        !StructuredCloneHolder::WriteString(aWriter,
-                                            mParams->GetValueAtIndex(i))) {
-      return false;
-    }
-  }
-  return true;
-}
-
-bool URLSearchParams::ReadStructuredClone(JSStructuredCloneReader* aReader) {
-  MOZ_ASSERT(aReader);
-
-  DeleteAll();
-
-  uint32_t nParams, zero;
-  nsAutoString key, value;
-  if (!JS_ReadUint32Pair(aReader, &nParams, &zero) || zero != 0) {
-    return false;
-  }
-
-  for (uint32_t i = 0; i < nParams; ++i) {
-    if (!StructuredCloneHolder::ReadString(aReader, key) ||
-        !StructuredCloneHolder::ReadString(aReader, value)) {
-      return false;
-    }
-    Append(key, value);
-  }
-  return true;
-}
-
-bool URLSearchParams::WriteStructuredClone(
-    JSContext* aCx, JSStructuredCloneWriter* aWriter) const {
-  return WriteStructuredClone(aWriter);
-}
-
-// static
-already_AddRefed<URLSearchParams> URLSearchParams::ReadStructuredClone(
-    JSContext* aCx, nsIGlobalObject* aGlobal,
-    JSStructuredCloneReader* aReader) {
-  RefPtr<URLSearchParams> params = new URLSearchParams(aGlobal);
-  if (!params->ReadStructuredClone(aReader)) {
-    return nullptr;
-  }
-  return params.forget();
-}
-
 // contentTypeWithCharset can be set to the contentType or
 // contentType+charset based on what the spec says.
 // See: https://fetch.spec.whatwg.org/#concept-bodyinit-extract

dom/url/URLSearchParams.h

@@ -96,22 +96,11 @@ class URLSearchParams final : public nsISupports, public nsWrapperCache {
 
   void Stringify(nsString& aRetval) const { Serialize(aRetval); }
 
-  static already_AddRefed<URLSearchParams> ReadStructuredClone(
-      JSContext* aCx, nsIGlobalObject* aGlobal,
-      JSStructuredCloneReader* aReader);
-
-  bool WriteStructuredClone(JSContext* aCx,
-                            JSStructuredCloneWriter* aWriter) const;
-
   nsresult GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
                        nsACString& aContentTypeWithCharset,
                        nsACString& aCharset) const;
 
  private:
-  bool ReadStructuredClone(JSStructuredCloneReader* aReader);
-
-  bool WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
-
   void AppendInternal(const nsAString& aName, const nsAString& aValue);
 
   void DeleteAll();

dom/webidl/URLSearchParams.webidl

@@ -13,8 +13,7 @@
  * http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
  */
 
-[Exposed=(Window,Worker,WorkerDebugger),
- Serializable]
+[Exposed=(Window,Worker,WorkerDebugger)]
 interface URLSearchParams {
   [Throws]
   constructor(optional (sequence<sequence<USVString>> or