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

chrome/browser/chromeos/status/status_area_view_chromeos.cc

Index: chrome/browser/chromeos/status/status_area_view_chromeos.cc
===================================================================
--- chrome/browser/chromeos/status/status_area_view_chromeos.cc	(revision 110804)
+++ chrome/browser/chromeos/status/status_area_view_chromeos.cc	(working copy)
@@ -30,7 +30,7 @@
 
 void StatusAreaViewChromeos::Init(StatusAreaButton::Delegate* delegate,
                                   ScreenMode screen_mode) {
-  AddChromeosButtons(this, delegate, screen_mode, NULL);
+  AddChromeosButtons(this, delegate, screen_mode);
 }
 
 void StatusAreaViewChromeos::SystemResumed() {
@@ -59,8 +59,7 @@
 void StatusAreaViewChromeos::AddChromeosButtons(
     StatusAreaView* status_area,
     StatusAreaButton::Delegate* delegate,
-    ScreenMode screen_mode,
-    ClockMenuButton** clock_button) {
+    ScreenMode screen_mode) {
   const bool border = true;
   const bool no_border = false;
 
@@ -70,10 +69,7 @@
   status_area->AddButton(
       new AccessibilityMenuButton(delegate, screen_mode), border);
   status_area->AddButton(new CapsLockMenuButton(delegate), border);
-  ClockMenuButton* clock = new ClockMenuButton(delegate);
-  status_area->AddButton(clock, border);
-  if (clock_button)
-    *clock_button = clock;
+  status_area->AddButton(new ClockMenuButton(delegate), border);
 
   status_area->AddButton(
       new InputMethodMenuButton(delegate, screen_mode), no_border);