Respect content settings for Service Worker registration

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index a29c48d7f0f8e84cccab8cd8f9623fc0f9cbac08..ccd9abd9126a8fc29ef98e6650e10ed44667e170 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -116,6 +116,13 @@ bool ContentBrowserClient::AllowAppCache(const GURL& manifest_url,
   return true;
 }
 
+bool ContentBrowserClient::AllowServiceWorker(
+    const GURL& scope,
+    const GURL& document_url,
+    content::ResourceContext* context) {
+  return true;
+}
+
 bool ContentBrowserClient::AllowGetCookie(const GURL& url,
                                           const GURL& first_party,
                                           const net::CookieList& cookie_list,