Backed out changeset d2e38d5047ae (bug 1730120) for causing Crashtest failures at crashtests/1419902.html. CLOSED TREE

docshell/base/nsDocShell.cpp

@@ -8107,11 +8107,7 @@ nsresult nsDocShell::SetupNewViewer(nsIContentViewer* aNewViewer,
   mContentViewer->SetNavigationTiming(mTiming);
 
   if (NS_FAILED(mContentViewer->Init(widget, bounds, aWindowActor))) {
-    nsCOMPtr<nsIContentViewer> viewer = mContentViewer;
-    viewer->Close(nullptr);
-    viewer->Destroy();
     mContentViewer = nullptr;
-    mCurrentURI = nullptr;
     NS_WARNING("ContentViewer Initialization failed");
     return NS_ERROR_FAILURE;
   }