Make ChromotingHost::ui_strings() immutable.

remoting/host/chromoting_host.h

 // Copyright (c) 2011 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_CHROMOTING_HOST_H_
 #define REMOTING_CHROMOTING_HOST_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 127 matching lines @@
   }
 
   // Notify all active client sessions that local input has been detected, and
   // that remote input should be ignored for a short time.
   void LocalMouseMoved(const gfx::Point& new_pos);
 
   // Pause or unpause the session. While the session is paused, remote input
   // is ignored.
   void PauseSession(bool pause);
 
-  UiStrings* ui_strings() { return &ui_strings_; }
+  const UiStrings& ui_strings() { return ui_strings_; }
+
+  // Set localized strings. Must be called before host is started.
+  void SetUiStrings(const UiStrings& ui_strings);
 
  private:
   friend class base::RefCountedThreadSafe<ChromotingHost>;
   friend class ChromotingHostTest;
 
   typedef std::vector<HostStatusObserver*> StatusObserverList;
   typedef std::vector<scoped_refptr<ClientSession> > ClientList;
 
   enum State {
     kInitial,
@@ skipping 84 matching lines @@
   std::vector<Task*> shutdown_tasks_;
 
   UiStrings ui_strings_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_