Add instrumentation to detect the type of login actions being added.

chrome/browser/prerender/prerender_tab_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/predictors/logged_in_predictor_table.h"
@@ skipping 232 matching lines @@
   }
 }
 
 void PrerenderTabHelper::DidNavigateAnyFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) {
   PrerenderManager* prerender_manager = MaybeGetPrerenderManager();
   if (params.password_form.origin.is_valid() && prerender_manager) {
     prerender_manager->RecordLikelyLoginOnURL(params.url);
     RecordEvent(EVENT_LOGIN_ACTION_ADDED);
+    if (details.is_main_frame) {
+      RecordEvent(EVENT_LOGIN_ACTION_ADDED_MAINFRAME);
+      if (params.password_form.password_value.empty())
+        RecordEvent(EVENT_LOGIN_ACTION_ADDED_MAINFRAME_PW_EMPTY);
+    } else {
+      RecordEvent(EVENT_LOGIN_ACTION_ADDED_SUBFRAME);
+      if (params.password_form.password_value.empty())
+        RecordEvent(EVENT_LOGIN_ACTION_ADDED_SUBFRAME_PW_EMPTY);
+    }
   }
 }
 
 PrerenderManager* PrerenderTabHelper::MaybeGetPrerenderManager() const {
   return PrerenderManagerFactory::GetForProfile(
       Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
 }
 
 bool PrerenderTabHelper::IsPrerendering() {
   PrerenderManager* prerender_manager = MaybeGetPrerenderManager();
@@ skipping 56 matching lines @@
 
 void PrerenderTabHelper::RecordEventIfLoggedInURLResult(
     PrerenderTabHelper::Event event,
     scoped_ptr<bool> is_present,
     scoped_ptr<bool> lookup_succeeded) {
   if (*lookup_succeeded && *is_present)
     RecordEvent(event);
 }
 
 }  // namespace prerender