Bug 1417354 - Drop unused presshell and prescontext in nsGlobalWindowInner.cpp. r=smaug

MozReview-Commit-ID: Ok80ilFDsf

--HG--
extra : rebase_source : 490e58ea922a56fe8d4c2ffeea4ea83198141bd3

dom/base/nsGlobalWindowInner.cpp

@@ -4793,12 +4793,6 @@ nsGlobalWindowInner::FireHashchange(const nsAString &aOldURL,
   // Get a presentation shell for use in creating the hashchange event.
   NS_ENSURE_STATE(IsCurrentInnerWindow());
 
-  nsIPresShell *shell = mDoc->GetShell();
-  RefPtr<nsPresContext> presContext;
-  if (shell) {
-    presContext = shell->GetPresContext();
-  }
-
   HashChangeEventInit init;
   init.mBubbles = true;
   init.mCancelable = false;
@@ -4835,13 +4829,6 @@ nsGlobalWindowInner::DispatchSyncPopState()
   rv = mDoc->GetStateObject(getter_AddRefs(stateObj));
   NS_ENSURE_SUCCESS(rv, rv);
 
-  // Obtain a presentation shell for use in creating a popstate event.
-  nsIPresShell *shell = mDoc->GetShell();
-  RefPtr<nsPresContext> presContext;
-  if (shell) {
-    presContext = shell->GetPresContext();
-  }
-
   bool result = true;
   AutoJSAPI jsapi;
   result = jsapi.Init(this);