Move functions for controlling Caps Lock to CapsLockDelegate from SystemTrayDelegate.

ash/test/test_shell_delegate.h

Index: ash/test/test_shell_delegate.h
diff --git a/ash/test/test_shell_delegate.h b/ash/test/test_shell_delegate.h
index 7b4d2ead42b57182c6c48840038b527af51affa0..4814eb6f7c1aa1c4ddb20e3b2de167f39570022e 100644
--- a/ash/test/test_shell_delegate.h
+++ b/ash/test/test_shell_delegate.h
@@ -41,6 +41,7 @@ class TestShellDelegate : public ShellDelegate {
       ash::LauncherModel* model) OVERRIDE;
   virtual SystemTrayDelegate* CreateSystemTrayDelegate(SystemTray* t) OVERRIDE;
   virtual UserWallpaperDelegate* CreateUserWallpaperDelegate() OVERRIDE;
+  virtual CapsLockDelegate* CreateCapsLockDelegate() OVERRIDE;
   virtual aura::client::UserActionClient* CreateUserActionClient() OVERRIDE;
   virtual void OpenFeedbackPage() OVERRIDE;
   virtual void RecordUserMetricsAction(UserMetricsAction action) OVERRIDE;