Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h

Index: extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h
diff --git a/extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h b/extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h
index 0c90980fb5e9918742ee9c25b6b1e770ab069229..be933113073dbcb11d21e168d0dd9f35d1665869 100644
--- a/extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h
+++ b/extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h
@@ -78,12 +78,12 @@ class TCPSocketEventDispatcher
                            scoped_refptr<net::IOBuffer> io_buffer);
 
   // Post an extension event from IO to UI thread
-  static void PostEvent(const ReadParams& params, scoped_ptr<Event> event);
+  static void PostEvent(const ReadParams& params, std::unique_ptr<Event> event);
 
   // Dispatch an extension event on to EventRouter instance on UI thread.
   static void DispatchEvent(void* browser_context_id,
                             const std::string& extension_id,
-                            scoped_ptr<Event> event);
+                            std::unique_ptr<Event> event);
 
   // Usually IO thread (except for unit testing).
   content::BrowserThread::ID thread_id_;