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

net/dns/dns_config_service_unittest.cc

Index: net/dns/dns_config_service_unittest.cc
diff --git a/net/dns/dns_config_service_unittest.cc b/net/dns/dns_config_service_unittest.cc
index ed6d86d7a99a2abd2839dbb0e3fcd42eed3da4ff..028024d2d8960f2fd8c2fb7facb7ef38665050b0 100644
--- a/net/dns/dns_config_service_unittest.cc
+++ b/net/dns/dns_config_service_unittest.cc
@@ -115,7 +115,7 @@ class DnsConfigServiceTest : public testing::Test {
   void OnConfigChanged(const DnsConfig& config) {
     last_config_ = config;
     if (quit_on_config_)
-      base::MessageLoop::current()->Quit();
+      base::MessageLoop::current()->QuitWhenIdle();
   }
 
  protected:
@@ -147,7 +147,7 @@ class DnsConfigServiceTest : public testing::Test {
   };
 
   void WaitForConfig(base::TimeDelta timeout) {
-    base::CancelableClosure closure(base::MessageLoop::QuitClosure());
+    base::CancelableClosure closure(base::MessageLoop::QuitWhenIdleClosure());
     base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE, closure.callback(), timeout);
     quit_on_config_ = true;