Bug 1337537 - Remove the need for TabGroup to be an nsISupports for DocShell::FindItemWithName (r=mystor)

MozReview-Commit-ID: CvnWt9Ny1IF

toolkit/components/browser/nsWebBrowser.cpp

@@ -519,8 +519,9 @@ nsWebBrowser::GetSameTypeRootTreeItem(nsIDocShellTreeItem** aRootTreeItem)
 
 NS_IMETHODIMP
 nsWebBrowser::FindItemWithName(const nsAString& aName,
-                               nsISupports* aRequestor,
+                               nsIDocShellTreeItem* aRequestor,
                                nsIDocShellTreeItem* aOriginalRequestor,
+                               bool aSkipTabGroup,
                                nsIDocShellTreeItem** aResult)
 {
   NS_ENSURE_STATE(mDocShell);
@@ -528,8 +529,7 @@ nsWebBrowser::FindItemWithName(const nsAString& aName,
                "This should always be set when in this situation");
 
   return mDocShell->FindItemWithName(
-    aName, static_cast<nsIDocShellTreeOwner*>(mDocShellTreeOwner),
-    aOriginalRequestor, aResult);
+    aName, aRequestor, aOriginalRequestor, aSkipTabGroup, aResult);
 }
 
 nsIDocument*