Linux/ChromeOS Chromium style checker cleanup, content/ edition.

content/browser/web_contents/navigation_controller_impl_unittest.cc

Index: content/browser/web_contents/navigation_controller_impl_unittest.cc
===================================================================
--- content/browser/web_contents/navigation_controller_impl_unittest.cc	(revision 181789)
+++ content/browser/web_contents/navigation_controller_impl_unittest.cc	(working copy)
@@ -166,7 +166,7 @@
 
   // Keep track of whether the tab has notified us of a navigation state change.
   virtual void NavigationStateChanged(const WebContents* source,
-                                      unsigned changed_flags) {
+                                      unsigned changed_flags) OVERRIDE {
     navigation_state_change_count_++;
   }
 
@@ -1850,7 +1850,7 @@
 
   virtual void Observe(int type,
                        const NotificationSource& source,
-                       const NotificationDetails& details) {
+                       const NotificationDetails& details) OVERRIDE {
     if (type == NOTIFICATION_NAV_LIST_PRUNED) {
       notification_count_++;
       details_ = *(Details<PrunedDetails>(details).ptr());