The continue window is owned by the desktop environment now.

remoting/host/me2me_desktop_environment.h

Index: remoting/host/me2me_desktop_environment.h
diff --git a/remoting/host/me2me_desktop_environment.h b/remoting/host/me2me_desktop_environment.h
index 5be25655b082dbe06acd01cc378100dcc1fcdeaa..3df176ceb848363bdcb27a3a61fd3945a1ff111f 100644
--- a/remoting/host/me2me_desktop_environment.h
+++ b/remoting/host/me2me_desktop_environment.h
@@ -9,6 +9,8 @@
 
 namespace remoting {
 
+struct UiStrings;
+
 // Same as BasicDesktopEnvironment but supports desktop resizing and X DAMAGE
 // notifications on Linux.
 class Me2MeDesktopEnvironment : public BasicDesktopEnvironment {
@@ -26,7 +28,7 @@ class Me2MeDesktopEnvironment : public BasicDesktopEnvironment {
       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);