base::Bind: Convert proxy_resolving_client_socket.[cc,h] and deps.

net/http/http_pipelined_connection_impl_unittest.cc

Index: net/http/http_pipelined_connection_impl_unittest.cc
diff --git a/net/http/http_pipelined_connection_impl_unittest.cc b/net/http/http_pipelined_connection_impl_unittest.cc
index 2c0d2dfb7486039bc214db70e8abfdda21fdcde4..eb7eb7896b9a1e4d71054e2ae8051b1a74c95370 100644
--- a/net/http/http_pipelined_connection_impl_unittest.cc
+++ b/net/http/http_pipelined_connection_impl_unittest.cc
@@ -86,7 +86,8 @@ class HttpPipelinedConnectionImplTest : public testing::Test {
     factory_.AddSocketDataProvider(data_.get());
     scoped_refptr<DummySocketParams> params;
     ClientSocketHandle* connection = new ClientSocketHandle;
-    connection->Init("a", params, MEDIUM, NULL, &pool_, BoundNetLog());
+    connection->Init("a", params, MEDIUM, CompletionCallback(), &pool_,
+                     BoundNetLog());
     pipeline_.reset(new HttpPipelinedConnectionImpl(connection, &delegate_,
                                                     ssl_config_, proxy_info_,
                                                     BoundNetLog(), false));