Change var blah_blah -> blahBlah.

chrome/browser/resources/ntp4/new_tab.js

Index: chrome/browser/resources/ntp4/new_tab.js
diff --git a/chrome/browser/resources/ntp4/new_tab.js b/chrome/browser/resources/ntp4/new_tab.js
index 8bd58419470b5f93201226321d43b48681dd2e52..a930f2fc853fb44b51aaa6df2f577ef20ec9ad14 100644
--- a/chrome/browser/resources/ntp4/new_tab.js
+++ b/chrome/browser/resources/ntp4/new_tab.js
@@ -170,9 +170,9 @@ cr.define('ntp', function() {
     }
 
     if (loadTimeData.getBoolean('isDiscoveryInNTPEnabled')) {
-      var suggestions_script = document.createElement('script');
-      suggestions_script.src = 'suggestions_page.js';
-      suggestions_script.onload = function() {
+      var suggestionsScript = document.createElement('script');
+      suggestionsScript.src = 'suggestions_page.js';
+      suggestionsScript.onload = function() {
          newTabView.appendTilePage(new ntp.SuggestionsPage(),
                                    loadTimeData.getString('suggestions'),
                                    false,
@@ -181,7 +181,7 @@ cr.define('ntp', function() {
          chrome.send('getSuggestions');
          cr.dispatchSimpleEvent(document, 'sectionready', true, true);
       };
-      document.querySelector('head').appendChild(suggestions_script);
+      document.querySelector('head').appendChild(suggestionsScript);
     }
 
     if (!loadTimeData.getBoolean('showWebStoreIcon')) {