Change base::LaunchProcess API slightly

chrome/browser/chromeos/system/touchpad_settings.cc

 // 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.
 
 #include "chrome/browser/chromeos/system/touchpad_settings.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
@@ skipping 18 matching lines @@
   }
 
   std::vector<std::string> argv;
   argv.push_back(kTpControl);
   argv.push_back("sensitivity");
   argv.push_back(StringPrintf("%d", value));
 
   base::LaunchOptions options;
   options.wait = false;  // Launch asynchronously.
 
-  base::LaunchProcess(CommandLine(argv), options);
+  base::LaunchProcess(CommandLine(argv), options, NULL);
 }
 
 void SetTapToClick(bool enabled) {
   // Run this on the FILE thread.
   if (!BrowserThread::CurrentlyOn(BrowserThread::FILE)) {
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
         base::Bind(&SetTapToClick, enabled));
     return;
   }
 
   std::vector<std::string> argv;
   argv.push_back(kTpControl);
   argv.push_back("taptoclick");
   argv.push_back(enabled ? "on" : "off");
 
   base::LaunchOptions options;
   options.wait = false;  // Launch asynchronously.
 
-  base::LaunchProcess(CommandLine(argv), options);
+  base::LaunchProcess(CommandLine(argv), options, NULL);
 }
 
 }  // namespace touchpad_settings
 }  // namespace system
 }  // namespace chromeos