Use the location where FileDescriptorWatcher is created to track the libevent handlers

chromeos/binder/ipc_thread.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 "chromeos/binder/ipc_thread.h"
 
 #include "chromeos/binder/command_broker.h"
 #include "chromeos/binder/driver.h"
 
 namespace binder {
 
 // IpcThreadPoller
 IpcThreadPoller::IpcThreadPoller(ThreadType type, Driver* driver)
-    : type_(type), driver_(driver), command_broker_(driver) {}
+    : type_(type),
+      driver_(driver),
+      command_broker_(driver),
+      watcher_(FROM_HERE) {}
 
 IpcThreadPoller::~IpcThreadPoller() {
   if (!command_broker_.ExitLooper()) {
     LOG(ERROR) << "Failed to exit looper.";
   }
   if (!driver_->NotifyCurrentThreadExiting()) {
     LOG(ERROR) << "Failed to send thread exit.";
   }
 }
 
@@ skipping 87 matching lines @@
     return;
   }
   initialized_ = true;
 }
 
 void SubIpcThread::CleanUp() {
   poller_.reset();
 }
 
 }  // namespace binder