Don't send the oncompleted signal twice in the webnavigation API

chrome/browser/extensions/api/web_navigation/web_navigation_api.cc

Index: chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
diff --git a/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc b/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
index ed2e61c379b0d4350b6c526bbbb1c70140dd51ee..cdf05541e03328a2088f3a166dece1d3821fa5c9 100644
--- a/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
+++ b/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
@@ -447,9 +447,6 @@ void WebNavigationTabObserver::DidCommitProvisionalLoadForFrame(
   navigation_state_.UpdateFrame(frame_id, url);
   navigation_state_.SetNavigationCommitted(frame_id);
 
-  if (is_reference_fragment_navigation || is_history_state_modification)
-    navigation_state_.SetNavigationCompleted(frame_id);
-
   if (!navigation_state_.CanSendEvents(frame_id))
     return;