Bug 796938 - Use GetEntryGlobal in nsGlobalWindow::FireAbuseEvents. r=smaug

dom/base/nsGlobalWindow.cpp

@@ -7529,20 +7529,7 @@ nsGlobalWindow::FireAbuseEvents(bool aBlocked, bool aWindow,
 
   nsIURI *baseURL = nullptr;
 
-  JSContext *cx = nsContentUtils::GetCurrentJSContext();
+  nsCOMPtr<nsIDocument> doc = GetEntryDocument();
-  nsCOMPtr<nsPIDOMWindow> contextWindow;
-
-  if (cx) {
-    nsIScriptContext *currentCX = nsJSUtils::GetDynamicScriptContext(cx);
-    if (currentCX) {
-      contextWindow = do_QueryInterface(currentCX->GetGlobalObject());
-    }
-  }
-  if (!contextWindow) {
-    contextWindow = this;
-  }
-
-  nsCOMPtr<nsIDocument> doc = contextWindow->GetDoc();
   if (doc)
     baseURL = doc->GetDocBaseURI();