Make EmitNtpStatistics() private.

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 <memory>
 #include <set>
 
 #include "base/macros.h"
@@ skipping 369 matching lines @@
 }
 
 void SearchTabHelper::ThemeInfoChanged(const ThemeBackgroundInfo& theme_info) {
   ipc_router_.SendThemeBackgroundInfo(theme_info);
 }
 
 void SearchTabHelper::MostVisitedItemsChanged(
     const std::vector<InstantMostVisitedItem>& items) {
   // When most visited change, the NTP usually reloads the tiles. This means
   // our metrics get inconsistent. So we'd rather emit stats now.
-  InstantTab::EmitNtpStatistics(web_contents_);
+  InstantTab::MostVisitedItemsChanged(web_contents_);
   ipc_router_.SendMostVisitedItems(items);
   LogMostVisitedItemsSource(items);
 }
 
 void SearchTabHelper::LogMostVisitedItemsSource(
     const std::vector<InstantMostVisitedItem>& items) {
   for (auto item : items) {
     NTPLoggingEventType event;
     if (item.is_server_side_suggestion) {
       event = NTP_SERVER_SIDE_SUGGESTION;
@@ skipping 180 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;
 }