content/child: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/renderer/p2p/host_address_request.h

Index: content/renderer/p2p/host_address_request.h
diff --git a/content/renderer/p2p/host_address_request.h b/content/renderer/p2p/host_address_request.h
index ab454868dfc7c4dca1a657b7af933c9af09c9497..4197ebe639442f90801cb306f139aeb67ab6be94 100644
--- a/content/renderer/p2p/host_address_request.h
+++ b/content/renderer/p2p/host_address_request.h
@@ -16,6 +16,7 @@
 namespace base {
 class MessageLoop;
 class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace content {
@@ -56,7 +57,7 @@ class P2PAsyncAddressResolver
   void DeliverResponse(const net::IPAddressList& address);
 
   P2PSocketDispatcher* dispatcher_;
-  scoped_refptr<base::MessageLoopProxy> ipc_message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> ipc_task_runner_;
   scoped_refptr<base::MessageLoopProxy> delegate_message_loop_;
 
   // State must be accessed from delegate thread only.