Fix memory leak in AndroidDeviceManager::HandlerThread.

chrome/browser/devtools/device/android_device_manager.cc

 // Copyright 2014 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/devtools/device/android_device_manager.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include <utility>
@@ skipping 471 matching lines @@
 
 scoped_refptr<base::SingleThreadTaskRunner>
 AndroidDeviceManager::HandlerThread::message_loop() {
   return thread_ ? thread_->task_runner() : NULL;
 }
 
 // static
 void AndroidDeviceManager::HandlerThread::StopThread(
     base::Thread* thread) {
   thread->Stop();
+  delete thread;
 }
 
 AndroidDeviceManager::HandlerThread::~HandlerThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   instance_ = NULL;
   if (!thread_)
     return;
   // Shut down thread on FILE thread to join into IO.
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE, FROM_HERE,
@@ skipping 48 matching lines @@
           new Device(handler_thread_->message_loop(), it->provider, it->serial);
     } else {
       device = found->second.get();
     }
     response.push_back(device);
     new_devices[it->serial] = device->weak_factory_.GetWeakPtr();
   }
   devices_.swap(new_devices);
   callback.Run(response);
 }