Fixed all unused-variable Clang warnings on Windows.

chrome/browser/hang_monitor/hung_window_detector.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/hang_monitor/hung_window_detector.h"
 
 #include <windows.h>
 #include <atlbase.h>
 
 #include "base/logging.h"
 #include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
 #include "content/public/common/result_codes.h"
 
-namespace {
-
-// How long do we wait for the terminated thread or process to die (in ms)
-static const int kTerminateTimeout = 2000;
-
-}  // namespace
-
 const wchar_t HungWindowDetector::kHungChildWindowTimeout[] =
     L"Chrome_HungChildWindowTimeout";
 
 HungWindowDetector::HungWindowDetector(HungWindowNotification* notification)
     : notification_(notification),
       top_level_window_(NULL),
       message_response_timeout_(0),
       enumerating_(false) {
   DCHECK(NULL != notification_);
 }
@@ skipping 128 matching lines @@
                                                    LPARAM param) {
   HungWindowDetector* detector_instance =
       reinterpret_cast<HungWindowDetector*>(param);
   if (NULL == detector_instance) {
     NOTREACHED();
     return FALSE;
   }
 
   return detector_instance->CheckChildWindow(child_window);
 }