Don't use base::MessageLoop::{Quit,QuitClosure} in net/

net/proxy/proxy_resolver_v8_tracing_wrapper_unittest.cc

 // Copyright (c) 2013 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.
 
 #include "net/proxy/proxy_resolver_v8_tracing_wrapper.h"
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 756 matching lines @@
               RequestHandle* out_req,
               const BoundNetLog& net_log) override {
     EXPECT_FALSE(callback.is_null());
     EXPECT_TRUE(out_req);
 
     if (!action_.is_null())
       action_.Run();
 
     // Indicate to the caller that a request was received.
     EXPECT_TRUE(waiting_for_resolve_);
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
 
     // This line is intentionally after action_.Run(), since one of the
     // tests does a cancellation inside of Resolve(), and it is more
     // interesting if *out_req hasn't been written yet at that point.
     *out_req = reinterpret_cast<RequestHandle*>(1);  // Magic value.
 
     // Return ERR_IO_PENDING as this request will NEVER be completed.
     // Expectation is for the caller to later cancel the request.
     return ERR_IO_PENDING;
   }
@@ skipping 337 matching lines @@
                 proxy_uri.substr(0, proxy_uri.find(':') + 1));
     } else {
       NOTREACHED();
     }
   }
 }
 
 }  // namespace
 
 }  // namespace net