[cros] Initialize OOBE in parallel when boot animation is disabled.

chrome/browser/ui/ash/chrome_shell_delegate.h

Index: chrome/browser/ui/ash/chrome_shell_delegate.h
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.h b/chrome/browser/ui/ash/chrome_shell_delegate.h
index fb77089483bd517a9db382bd0d4e248fc3ef14cb..d976a36c222a4d2db3837691576a926696fe1c4c 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.h
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.h
@@ -31,10 +31,11 @@ class ChromeShellDelegate : public ash::ShellDelegate,
 
   // ash::ShellDelegate overrides;
   virtual bool IsUserLoggedIn() OVERRIDE;
-  virtual bool IsSessionStarted() OVERRIDE;
+  virtual bool IsSessionStarted() const OVERRIDE;
   virtual void LockScreen() OVERRIDE;
   virtual void UnlockScreen() OVERRIDE;
   virtual bool IsScreenLocked() const OVERRIDE;
+  virtual bool IsStatusAreaInitiallyVisible() const OVERRIDE;
   virtual void Shutdown() OVERRIDE;
   virtual void Exit() OVERRIDE;
   virtual void NewTab() OVERRIDE;