3 files changed, 18 insertions, 6 deletions
diff --git a/dom/events/Event.cpp b/dom/events/Event.cpp
index 2af34136e..2546a81ad 100755
--- a/dom/events/Event.cpp
+++ b/dom/events/Event.cpp
@@ -412,8 +412,17 @@ Event::Constructor(const GlobalObject& aGlobal,
                    ErrorResult& aRv)
 {
   nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
-  RefPtr<Event> e = new Event(t, nullptr, nullptr);
-  bool trusted = e->Init(t);
+  return Constructor(t, aType, aParam);
+}
+
+// static
+already_AddRefed<Event>
+Event::Constructor(EventTarget* aEventTarget,
+                   const nsAString& aType,
+                   const EventInit& aParam)
+{
+  RefPtr<Event> e = new Event(aEventTarget, nullptr, nullptr);
+  bool trusted = e->Init(aEventTarget);
   e->InitEvent(aType, aParam.mBubbles, aParam.mCancelable);
   e->SetTrusted(trusted);
   e->SetComposed(aParam.mComposed);
@@ -1209,7 +1218,7 @@ Event::Deserialize(const IPC::Message* aMsg, PickleIterator* aIter)
 }
 
 NS_IMETHODIMP_(void)
-Event::SetOwner(mozilla::dom::EventTarget* aOwner)
+Event::SetOwner(EventTarget* aOwner)
 {
   mOwner = nullptr;
 
diff --git a/dom/events/Event.h b/dom/events/Event.h
index c28226e8a..0817aa809 100755
--- a/dom/events/Event.h
+++ b/dom/events/Event.h
@@ -142,6 +142,10 @@ public:
                                      LayoutDeviceIntPoint aPoint,
                                      CSSIntPoint aDefaultPoint);
 
+  static already_AddRefed<Event> Constructor(EventTarget* aEventTarget,
+                                             const nsAString& aType,
+                                             const EventInit& aParam);
+
   static already_AddRefed<Event> Constructor(const GlobalObject& aGlobal,
                                              const nsAString& aType,
                                              const EventInit& aParam,
diff --git a/dom/events/EventListenerManager.cpp b/dom/events/EventListenerManager.cpp
index c8db4f2a1..a8c48ede8 100644
--- a/dom/events/EventListenerManager.cpp
+++ b/dom/events/EventListenerManager.cpp
@@ -996,14 +996,12 @@ EventListenerManager::CompileEventHandlerInternal(Listener* aListener,
   }
   aListener = nullptr;
 
-  uint32_t lineNo = 0;
   nsAutoCString url (NS_LITERAL_CSTRING("-moz-evil:lying-event-listener"));
   MOZ_ASSERT(body);
   MOZ_ASSERT(aElement);
   nsIURI *uri = aElement->OwnerDoc()->GetDocumentURI();
   if (uri) {
     uri->GetSpec(url);
-    lineNo = 1;
   }
 
   nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(mTarget);
@@ -1073,8 +1071,9 @@ EventListenerManager::CompileEventHandlerInternal(Listener* aListener,
     return NS_ERROR_FAILURE;
   }
   JS::CompileOptions options(cx);
+  // Use line 0 to make the function body starts from line 1.
   options.setIntroductionType("eventHandler")
-         .setFileAndLine(url.get(), lineNo)
+         .setFileAndLine(url.get(), 0)
          .setVersion(JSVERSION_DEFAULT)
          .setElement(&v.toObject())
          .setElementAttributeName(jsStr);