Fix include path for moved thread_task_runner_handle.h header in chrome/

chrome/browser/chromeos/app_mode/kiosk_session_plugin_handler.cc

 // Copyright 2015 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/app_mode/kiosk_session_plugin_handler.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_session_plugin_handler_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace chromeos {
 
 namespace {
 
 // Seconds to wait after a plugin hung is detected.
@@ skipping 98 matching lines @@
   if (it == watchers_.end())
     return;
 
   watchers_.weak_erase(it);
 
   // Schedule the delete later after |observer|'s WebContentsDestroyed finishes.
   base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, observer);
 }
 
 }  // namespace chromeos