UMA log NTP loading time separately for local, google and other NTPs.

chrome/browser/ui/search/search_tab_helper.cc

 // Copyright 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/ui/search/search_tab_helper.h"
 
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/ui/location_bar/location_bar.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_model.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/omnibox/omnibox_view.h"
 #include "chrome/browser/ui/search/instant_search_prerenderer.h"
 #include "chrome/browser/ui/search/search_ipc_router_policy_impl.h"
 #include "chrome/browser/ui/search/search_tab_helper_delegate.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "chrome/browser/ui/webui/ntp/ntp_user_data_logger.h"
 #include "chrome/common/url_constants.h"
+#include "components/google/core/browser/google_util.h"
 #include "components/search/search.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/navigation_type.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 69 matching lines @@
 
 // Called when an NTP finishes loading. If the load start time was noted,
 // calculates and logs the total load time.
 void RecordNewTabLoadTime(content::WebContents* contents) {
   CoreTabHelper* core_tab_helper = CoreTabHelper::FromWebContents(contents);
   if (core_tab_helper->new_tab_start_time().is_null())
     return;
 
   base::TimeDelta duration =
       base::TimeTicks::Now() - core_tab_helper->new_tab_start_time();
-  UMA_HISTOGRAM_TIMES("Tab.NewTabOnload", duration);
+  if (IsCacheableNTP(contents)) {
+    if (google_util::IsGoogleDomainUrl(
+        contents->GetController().GetLastCommittedEntry()->GetURL(),
+        google_util::ALLOW_SUBDOMAIN,
+        google_util::DISALLOW_NON_STANDARD_PORTS)) {
+      UMA_HISTOGRAM_TIMES("Tab.NewTabOnload.Google", duration);
+    } else {
+      UMA_HISTOGRAM_TIMES("Tab.NewTabOnload.Other", duration);
+    }
+  } else {
+    UMA_HISTOGRAM_TIMES("Tab.NewTabOnload.Local", duration);
+  }
   core_tab_helper->set_new_tab_start_time(base::TimeTicks());
 }
 
 // Returns true if the user is signed in and full history sync is enabled,
 // and false otherwise.
 bool IsHistorySyncEnabled(Profile* profile) {
   ProfileSyncService* sync =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
   return sync &&
       sync->sync_initialized() &&
@@ skipping 482 matching lines @@
 
 bool SearchTabHelper::IsInputInProgress() const {
   OmniboxView* omnibox = GetOmniboxView();
   return !model_.mode().is_ntp() && omnibox &&
       omnibox->model()->focus_state() == OMNIBOX_FOCUS_VISIBLE;
 }
 
 OmniboxView* SearchTabHelper::GetOmniboxView() const {
   return delegate_ ? delegate_->GetOmniboxView() : NULL;
 }