Pass data saver pref value into embedded worker

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 be79b6b770ab9466ed167b0ad728f7ae294de60d..8ec8c8c9fd268addc6034b5ae8eb4a3e7d133b5f 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -161,6 +161,10 @@ bool ContentBrowserClient::AllowServiceWorker(const GURL& scope,
   return true;
 }
 
+bool ContentBrowserClient::IsDataSaverEnabled(BrowserContext* context) {
+  return false;
+}
+
 bool ContentBrowserClient::AllowGetCookie(const GURL& url,
                                           const GURL& first_party,
                                           const net::CookieList& cookie_list,