Lands http://codereview.chromium.org/2928005/ for Dill:

chrome/browser/chromeos/status/clock_menu_button.h

Index: chrome/browser/chromeos/status/clock_menu_button.h
diff --git a/chrome/browser/chromeos/status/clock_menu_button.h b/chrome/browser/chromeos/status/clock_menu_button.h
index 3f85a2b358287e82a99302bac4e9f1fb6d11d175..434309da04abdfab8d05297b37ff3b6498a44c28 100644
--- a/chrome/browser/chromeos/status/clock_menu_button.h
+++ b/chrome/browser/chromeos/status/clock_menu_button.h
@@ -42,7 +42,7 @@ class ClockMenuButton : public StatusAreaButton,
       ui::Accelerator* accelerator) const { return false; }
   virtual bool IsItemCheckedAt(int index) const { return false; }
   virtual int GetGroupIdAt(int index) const { return 0; }
-  virtual bool GetIconAt(int index, SkBitmap* icon) const { return false; }
+  virtual bool GetIconAt(int index, SkBitmap* icon) { return false; }
   virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(int index) const {
     return NULL;
   }
@@ -51,6 +51,7 @@ class ClockMenuButton : public StatusAreaButton,
   virtual void HighlightChangedTo(int index) {}
   virtual void ActivatedAt(int index);
   virtual void MenuWillShow() {}
+  virtual void SetMenuModelDelegate(ui::MenuModelDelegate* delegate) {}
 
   // Overridden from ResumeLibrary::Observer:
   virtual void PowerChanged(PowerLibrary* obj) {}