Code:   base::WeakPtr<OTRBrowserContextImpl> GetWeakPtr() {
    return weak_ptr_factory_.GetWeakPtr();
  }

Vulnerability Type: 
CWE ID: CWE-20
Summary: A malicious webview could install long-lived unload handlers that re-use an incognito BrowserContext that is queued for destruction in versions of Oxide before 1.18.3.
Commit Message: 