Added command line switches "crash-on-hang-threads" and "crash-on-hang-seconds"

chrome/browser/metrics/thread_watcher_unittest.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 "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/synchronization/condition_variable.h"
@@ skipping 226 matching lines @@
   CustomThreadWatcher* webkit_watcher_;
 
   ThreadWatcherTest() {
     webkit_thread_.reset(new BrowserThread(BrowserThread::WEBKIT));
     io_thread_.reset(new BrowserThread(BrowserThread::IO));
     watchdog_thread_.reset(new WatchDogThread());
     webkit_thread_->Start();
     io_thread_->Start();
     watchdog_thread_->Start();
 
+    CommandLine command_line(CommandLine::NO_PROGRAM);

[jar (doing other things), 2011/06/10 00:38:33]

Is there a nice way we can test this with some command line specified?  List a
thread?  See that the name was picked up?

[ramant (doing other things), 2011/06/13 03:26:02]

Done.

+
     // Setup the registry for thread watchers.
-    thread_watcher_list_ = new ThreadWatcherList();
+    thread_watcher_list_ = new ThreadWatcherList(command_line);
 
     // Create thread watcher object for the IO thread.
     io_watcher_ = new CustomThreadWatcher(io_thread_id, io_thread_name,
                                           kSleepTime, kUnresponsiveTime);
 
     // Create thread watcher object for the WEBKIT thread.
     webkit_watcher_ = new CustomThreadWatcher(
         webkit_thread_id, webkit_thread_name, kSleepTime, kUnresponsiveTime);
   }
 
@@ skipping 197 matching lines @@
       FROM_HERE,
       NewRunnableMethod(io_watcher_, &ThreadWatcher::DeActivateThreadWatching));
   WatchDogThread::PostTask(
       FROM_HERE,
       NewRunnableMethod(
           webkit_watcher_, &ThreadWatcher::DeActivateThreadWatching));
 
   // Wait for the io_watcher_'s VeryLongMethod to finish.
   io_watcher_->WaitForWaitStateChange(kUnresponsiveTime * 10, ALL_DONE);
 }