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### Issue Details

* **Electron Version:**
  * 9-x-y and above
* **Operating System:**
  * linux
* **Last Known Working Electron version:**
  * 8-x-y

### Expected Behavior

crash reports should be saved locally when `uploadToServer: false`

### Actual Behavior
<!-- A clear and concise description of what actually happened. -->

crashDumps path is empty

### To Reproduce
<!--
Your best chance of getting this bug looked at quickly is to provide an example.
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https://gist.github.com/deepak1556/4e98046880c9ff4fecc03813708a2264
shell/browser/electron_browser_client.cc
content::RenderFrameHost* rfh) const {
  auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
  auto* web_preferences = WebContentsPreferences::From(web_contents);
  std::string affinity;
  if (web_preferences &&
      web_preferences->GetPreference("affinity", &affinity) &&
      !affinity.empty()) {
    affinity = base::ToLowerASCII(affinity);
  }
  return affinity;
}
content::SiteInstance* ElectronBrowserClient::GetSiteInstanceFromAffinity(
    content::BrowserContext* browser_context,
    const GURL& url,
    content::RenderFrameHost* rfh) const {
  std::string affinity = GetAffinityPreference(rfh);
  if (!affinity.empty()) {
    auto iter = site_per_affinities_.find(affinity);
    GURL dest_site = content::SiteInstance::GetSiteForURL(browser_context, url);
    if (iter != site_per_affinities_.end() &&
        IsSameWebSite(browser_context, iter->second, dest_site)) {
      return iter->second;
    }
  }
  return nullptr;
}
void ElectronBrowserClient::ConsiderSiteInstanceForAffinity(