Fix stupid bug causing relaunch into Chrome OS mode to not work on Windows 7.

chrome/browser/first_run/upgrade_util_win.cc

 // 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.
 
 #include "chrome/browser/first_run/upgrade_util.h"
 
 #include <windows.h>
 #include <psapi.h>
 #include <shellapi.h>
 
@@ skipping 100 matching lines @@
   if (relaunch_mode == kRelaunchModeMetro)
     return RELAUNCH_MODE_METRO;
 
   if (relaunch_mode == kRelaunchModeDesktop)
     return RELAUNCH_MODE_DESKTOP;
 
   // On Windows 7 if the current browser is in Chrome OS mode, then restart
   // into Chrome OS mode.
   if ((base::win::GetVersion() == base::win::VERSION_WIN7) &&
        CommandLine::ForCurrentProcess()->HasSwitch(switches::kViewerConnect) &&
-       g_browser_process->local_state()->HasPrefPath(prefs::kRelaunchMode)) {
+       !g_browser_process->local_state()->HasPrefPath(prefs::kRelaunchMode)) {
     // TODO(ananta)
     // On Windows 8, the delegate execute process looks up the previously
     // launched mode from the registry and relaunches into that mode. We need
     // something similar on Windows 7. For now, set the pref to ensure that
     // we get relaunched into Chrome OS mode.
     g_browser_process->local_state()->SetString(
         prefs::kRelaunchMode, upgrade_util::kRelaunchModeMetro);
     return RELAUNCH_MODE_METRO;
   }
 
@@ skipping 172 matching lines @@
     return false;
   // At this point the chrome.exe has been swapped with the new one.
   if (!RelaunchChromeBrowser(command_line)) {
     // The re-launch fails. Feel free to panic now.
     NOTREACHED();
   }
   return true;
 }
 
 }  // namespace upgrade_util