The continue window is owned by the desktop environment now.

remoting/host/me2me_desktop_environment.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
 #define REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
 
 #include "remoting/host/basic_desktop_environment.h"
 
 namespace remoting {
 
+struct UiStrings;
+
 // Same as BasicDesktopEnvironment but supports desktop resizing and X DAMAGE
 // notifications on Linux.
 class Me2MeDesktopEnvironment : public BasicDesktopEnvironment {
  public:
   virtual ~Me2MeDesktopEnvironment();
 
   // DesktopEnvironment interface.
   virtual scoped_ptr<ScreenControls> CreateScreenControls() OVERRIDE;
   virtual scoped_ptr<media::ScreenCapturer> CreateVideoCapturer() OVERRIDE;
 
  protected:
   friend class Me2MeDesktopEnvironmentFactory;
   Me2MeDesktopEnvironment(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
       base::WeakPtr<ClientSessionControl> client_session_control,
-      const UiStrings* ui_strings);
+      const UiStrings& ui_strings);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironment);
 };
 
 // Used to create |Me2MeDesktopEnvironment| instances.
 class Me2MeDesktopEnvironmentFactory : public BasicDesktopEnvironmentFactory {
  public:
   Me2MeDesktopEnvironmentFactory(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
       const UiStrings& ui_strings);
   virtual ~Me2MeDesktopEnvironmentFactory();
 
   // DesktopEnvironmentFactory interface.
   virtual scoped_ptr<DesktopEnvironment> Create(
       base::WeakPtr<ClientSessionControl> client_session_control) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironmentFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_