clang/win: Fix most -Wunused-function warnings in Chromium code.

remoting/host/setup/daemon_controller_delegate_win.cc

 // Copyright 2013 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.
 
 #include "remoting/host/setup/daemon_controller_delegate_win.h"
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/json/json_reader.h"
@@ skipping 247 matching lines @@
   return service.Pass();
 }
 
 void InvokeCompletionCallback(
     const DaemonController::CompletionCallback& done, bool success) {
   DaemonController::AsyncResult async_result =
       success ? DaemonController::RESULT_OK : DaemonController::RESULT_FAILED;
   done.Run(async_result);
 }
 
-bool SetConfig(const std::string& config) {
-  // Determine the config directory path and create it if necessary.
-  base::FilePath config_dir = remoting::GetConfigDir();
-  if (!base::CreateDirectory(config_dir)) {
-    PLOG(ERROR) << "Failed to create the config directory.";
-    return false;
-  }
-
-  return WriteConfig(config);
-}
-
 bool StartDaemon() {
   DWORD access = SERVICE_CHANGE_CONFIG | SERVICE_QUERY_STATUS |
                  SERVICE_START | SERVICE_STOP;
   ScopedScHandle service = OpenService(access);
   if (!service.IsValid())
     return false;
 
   // Change the service start type to 'auto'.
   if (!::ChangeServiceConfigW(service.Get(),
                               SERVICE_NO_CHANGE,
@@ skipping 188 matching lines @@
   InvokeCompletionCallback(done, StartDaemon());
 }
 
 scoped_refptr<DaemonController> DaemonController::Create() {
   scoped_ptr<DaemonController::Delegate> delegate(
       new DaemonControllerDelegateWin());
   return new DaemonController(delegate.Pass());
 }
 
 }  // namespace remoting