Reverting this as it breaks (at least) the Windows Aura build.

chrome/browser/ui/views/aura/status_area_host_aura.h

Index: chrome/browser/ui/views/aura/status_area_host_aura.h
===================================================================
--- chrome/browser/ui/views/aura/status_area_host_aura.h	(revision 110804)
+++ chrome/browser/ui/views/aura/status_area_host_aura.h	(working copy)
@@ -10,21 +10,15 @@
 #include "chrome/browser/chromeos/status/status_area_button.h"
 
 class StatusAreaView;
-class TimezoneClockUpdater;
 
 namespace views {
-class Views;
 class Widget;
 }
 
 class StatusAreaHostAura : public StatusAreaButton::Delegate {
  public:
   StatusAreaHostAura();
-  virtual ~StatusAreaHostAura();
 
-  // Returns the view housing the status area. Exposed for testing.
-  const views::View* GetStatusArea() const;
-
   // Instantiates and sets |status_area_view_|, and sets it as the contents of
   // a new views::Widget |status_area_widget_| which is returned.
   // The caller is expected to take ownership of |status_area_widget_|.
@@ -45,8 +39,6 @@
   // Owned by status_area_widget_.
   StatusAreaView* status_area_view_;
 
-  scoped_ptr<TimezoneClockUpdater> timezone_clock_updater_;
-
   DISALLOW_COPY_AND_ASSIGN(StatusAreaHostAura);
 };