Back out 2 changesets (bug 1174386) for mochitest and xpcshell bustage.

Backed out changeset 71634609bbaf (bug 1174386)
Backed out changeset 9726b95aadf6 (bug 1174386)

MozReview-Commit-ID: CBB0CFQSjQu

dom/workers/RuntimeService.cpp

@@ -987,7 +987,6 @@ class WorkerThreadPrimaryRunnable final : public Runnable
   WorkerPrivate* mWorkerPrivate;
   RefPtr<WorkerThread> mThread;
   JSRuntime* mParentRuntime;
-  JS::UniqueChars mDefaultLocale;
 
   class FinishedRunnable final : public Runnable
   {
@@ -1012,10 +1011,8 @@ class WorkerThreadPrimaryRunnable final : public Runnable
 public:
   WorkerThreadPrimaryRunnable(WorkerPrivate* aWorkerPrivate,
                               WorkerThread* aThread,
-                              JSRuntime* aParentRuntime,
-                              JS::UniqueChars aDefaultLocale)
-  : mWorkerPrivate(aWorkerPrivate), mThread(aThread)
-  , mParentRuntime(aParentRuntime), mDefaultLocale(Move(aDefaultLocale))
+                              JSRuntime* aParentRuntime)
+  : mWorkerPrivate(aWorkerPrivate), mThread(aThread), mParentRuntime(aParentRuntime)
   {
     MOZ_ASSERT(aWorkerPrivate);
     MOZ_ASSERT(aThread);
@@ -1629,16 +1626,9 @@ RuntimeService::ScheduleWorker(WorkerPrivate* aWorkerPrivate)
   }
 
   JSRuntime* rt = CycleCollectedJSRuntime::Get()->Runtime();
-  JSRuntime* parentRuntime = JS_GetParentRuntime(rt);
-  JS::UniqueChars defaultLocale =
-    parentRuntime ? JS_GetDefaultLocale(JS_GetContext(parentRuntime)) : nullptr;
-  if (!parentRuntime) {
-    NS_WARNING("Could not obtain parent runtime's locale!");
-  }
-
   nsCOMPtr<nsIRunnable> runnable =
-    new WorkerThreadPrimaryRunnable(aWorkerPrivate, thread, parentRuntime,
-                                    Move(defaultLocale));
+    new WorkerThreadPrimaryRunnable(aWorkerPrivate, thread,
+                                    JS_GetParentRuntime(rt));
   if (NS_FAILED(thread->DispatchPrimaryRunnable(friendKey, runnable.forget()))) {
     UnregisterWorker(aWorkerPrivate);
     return false;
@@ -2557,14 +2547,6 @@ WorkerThreadPrimaryRunnable::Run()
       return NS_ERROR_FAILURE;
     }
 
-    if (mDefaultLocale) {
-      if (!JS_SetDefaultLocale(cx, mDefaultLocale.get())) {
-        NS_WARNING("Could not set worker locale!");
-      }
-
-      mDefaultLocale = nullptr;
-    }
-
     {
 #ifdef MOZ_ENABLE_PROFILER_SPS
       PseudoStack* stack = mozilla_get_pseudo_stack();

intl/locale/tests/unit/data/bug1174386_worker.js

@@ -1,5 +0,0 @@
-self.onmessage = function (data) {
-  let myLocale = Intl.NumberFormat().resolvedOptions().locale;
-  self.postMessage(myLocale);
-};
-

intl/locale/tests/unit/data/chrome.manifest

@@ -1 +0,0 @@
-content locale ./

intl/locale/tests/unit/test_bug1174386.js

@@ -1,12 +0,0 @@
-function run_test() {
-  do_load_manifest("data/chrome.manifest");
-  do_test_pending();
-  let mainThreadLocale = Intl.NumberFormat().resolvedOptions().locale;
-  let testWorker = new Worker("chrome://locale/content/bug1174386_worker.js");
-  testWorker.onmessage = function (e) {
-    let workerLocale = e.data;
-    equal(mainThreadLocale, workerLocale, "Worker should inherit Intl locale from main thread.");
-    do_test_finished();
-  };
-  testWorker.postMessage("go!");
-}

intl/locale/tests/unit/xpcshell.ini

@@ -2,9 +2,6 @@
 head = 
 tail = 
 skip-if = toolkit == 'gonk'
-support-files =
-  data/bug1174386_worker.js
-  data/chrome.manifest
 
 [test_bug22310.js]
 skip-if = toolkit != "windows" && toolkit != "cocoa"
@@ -17,7 +14,6 @@ skip-if = toolkit == "windows" || toolkit == "cocoa"
 skip-if = toolkit != "cocoa"
 
 [test_bug1086527.js]
-[test_bug1174386.js]
 [test_pluralForm.js]
 [test_pluralForm_english.js]
 [test_pluralForm_makeGetter.js]

js/src/jsapi.cpp

@@ -5819,16 +5819,6 @@ JS_SetDefaultLocale(JSContext* cx, const char* locale)
     return cx->setDefaultLocale(locale);
 }
 
-JS_PUBLIC_API(UniqueChars)
-JS_GetDefaultLocale(JSContext* cx)
-{
-    AssertHeapIsIdle(cx);
-    if (const char* locale = cx->getDefaultLocale())
-        return UniqueChars(JS_strdup(cx, locale));
-
-    return nullptr;
-}
-
 JS_PUBLIC_API(void)
 JS_ResetDefaultLocale(JSContext* cx)
 {

js/src/jsapi.h

@@ -5038,12 +5038,6 @@ JS_ParseJSONWithReviver(JSContext* cx, JS::HandleString str, JS::HandleValue rev
 extern JS_PUBLIC_API(bool)
 JS_SetDefaultLocale(JSContext* cx, const char* locale);
 
-/**
- * Look up the default locale for the ECMAScript Internationalization API.
- */
-extern JS_PUBLIC_API(JS::UniqueChars)
-JS_GetDefaultLocale(JSContext* cx);
-
 /**
  * Reset the default locale to OS defaults.
  */