[Chromoting] Hook up host talkgadget policy checks.

remoting/host/constants.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_CONSTANTS_H_
 #define REMOTING_HOST_CONSTANTS_H_
 
 #include "base/compiler_specific.h"
 
 namespace remoting {
 
-// This is the default prefix that is prepended to ".talkgadget.google.com"
-// to form the complete talkgadget domain name. Policy settings allow admins
-// to change the prefix that is used.
-extern const char kDefaultTalkGadgetPrefix[];
-
 // Known host exit codes.
 // Please keep this enum in sync with:
 // remoting/host/installer/mac/PrivilegedHelperTools/
 // org.chromium.chromoting.me2me.sh
 // and remoting/tools/me2me_virtual_host.py.
 enum HostExitCodes {
   // Error codes that don't indicate a permanent error condition.
   kSuccessExitCode = 0,
   kReservedForX11ExitCode = 1,
 
@@ skipping 11 matching lines @@
 };
 
 #if defined(OS_WIN)
 // The Omaha Appid of the host.
 extern const wchar_t kHostOmahaAppid[];
 #endif  // defined(OS_WIN)
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CONSTANTS_H_