DevTools: DevToolsAndroidBridge polling loops

chrome/browser/devtools/device/android_device_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVICE_ANDROID_DEVICE_MANAGER_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVICE_ANDROID_DEVICE_MANAGER_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/gfx/size.h"
 
 namespace net {
 class StreamSocket;
 }
 
 class AndroidDeviceManager
-    : public base::RefCountedThreadSafe<AndroidDeviceManager>,
+    : public base::RefCountedThreadSafe<
+          AndroidDeviceManager,
+          content::BrowserThread::DeleteOnUIThread>,
       public base::NonThreadSafe {
  public:
   typedef base::Callback<void(int, const std::string&)> CommandCallback;
   typedef base::Callback<void(int result, net::StreamSocket*)> SocketCallback;
   typedef base::Callback<void(const std::vector<std::string>&)> SerialsCallback;
 
   struct BrowserInfo {
     BrowserInfo();
 
     enum Type {
@@ skipping 157 matching lines @@
    private:
     friend class base::RefCountedThreadSafe<HandlerThread>;
     static HandlerThread* instance_;
     static void StopThread(base::Thread* thread);
 
     HandlerThread();
     virtual ~HandlerThread();
     base::Thread* thread_;
   };
 
-  friend class base::RefCountedThreadSafe<AndroidDeviceManager>;
+  friend struct content::BrowserThread::DeleteOnThread<
+      content::BrowserThread::UI>;
+  friend class base::DeleteHelper<AndroidDeviceManager>;
   AndroidDeviceManager();
   virtual ~AndroidDeviceManager();
 
   void UpdateDevices(const DevicesCallback& callback,
                      DeviceDescriptors* descriptors);
 
   typedef std::map<std::string, base::WeakPtr<Device> > DeviceWeakMap;
 
   scoped_refptr<HandlerThread> handler_thread_;
   DeviceProviders providers_;
   DeviceWeakMap devices_;
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVICE_ANDROID_DEVICE_MANAGER_H_