Change scoped_ptr to std::unique_ptr in //net.

net/udp/udp_socket_posix.cc

Index: net/udp/udp_socket_posix.cc
diff --git a/net/udp/udp_socket_posix.cc b/net/udp/udp_socket_posix.cc
index 7e75b860574bb7f3af3ca8f8f88f4d101b383c29..f869256ca547b912ddd5853cbbdf0949f3e1db85 100644
--- a/net/udp/udp_socket_posix.cc
+++ b/net/udp/udp_socket_posix.cc
@@ -151,7 +151,7 @@ int UDPSocketPosix::GetPeerAddress(IPEndPoint* address) const {
     SockaddrStorage storage;
     if (getpeername(socket_, storage.addr, &storage.addr_len))
       return MapSystemError(errno);
-    scoped_ptr<IPEndPoint> address(new IPEndPoint());
+    std::unique_ptr<IPEndPoint> address(new IPEndPoint());
     if (!address->FromSockAddr(storage.addr, storage.addr_len))
       return ERR_ADDRESS_INVALID;
     remote_address_.reset(address.release());
@@ -171,7 +171,7 @@ int UDPSocketPosix::GetLocalAddress(IPEndPoint* address) const {
     SockaddrStorage storage;
     if (getsockname(socket_, storage.addr, &storage.addr_len))
       return MapSystemError(errno);
-    scoped_ptr<IPEndPoint> address(new IPEndPoint());
+    std::unique_ptr<IPEndPoint> address(new IPEndPoint());
     if (!address->FromSockAddr(storage.addr, storage.addr_len))
       return ERR_ADDRESS_INVALID;
     local_address_.reset(address.release());