Fixes bug where clock button wasn't updating in response to a timezone

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

Index: chrome/browser/ui/views/aura/chrome_shell_delegate.h
diff --git a/chrome/browser/ui/views/aura/chrome_shell_delegate.h b/chrome/browser/ui/views/aura/chrome_shell_delegate.h
index a59a4d50258b82401af28396dc73fa40961df894..97528036b809f470244e6d86abcaf5ea164002c5 100644
--- a/chrome/browser/ui/views/aura/chrome_shell_delegate.h
+++ b/chrome/browser/ui/views/aura/chrome_shell_delegate.h
@@ -12,14 +12,22 @@
 #include "ui/aura_shell/launcher/launcher_types.h"
 #include "ui/aura_shell/shell_delegate.h"
 
-class StatusAreaHostAura;
 class Browser;
+class StatusAreaHostAura;
+
+namespace views {
+class View;
+}
 
 class ChromeShellDelegate : public aura_shell::ShellDelegate {
  public:
   ChromeShellDelegate();
   virtual ~ChromeShellDelegate();
 
+  static ChromeShellDelegate* instance() { return instance_; }
+
+  const views::View* GetStatusArea() const;
+
   // Returns whether a launcher item should be created for |browser|. If an item
   // should be created |type| is set to the launcher type to create.
   static bool ShouldCreateLauncherItemForBrowser(
@@ -35,6 +43,8 @@ class ChromeShellDelegate : public aura_shell::ShellDelegate {
   virtual bool ConfigureLauncherItem(aura_shell::LauncherItem* item) OVERRIDE;
 
  private:
+  static ChromeShellDelegate* instance_;
+
   scoped_ptr<StatusAreaHostAura> status_area_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeShellDelegate);