Use base::MessageLoopProxy instead of MessageLoop in ProxyConfigServiceLinux.

net/proxy/proxy_config_service_linux_unittest.cc

Index: net/proxy/proxy_config_service_linux_unittest.cc
diff --git a/net/proxy/proxy_config_service_linux_unittest.cc b/net/proxy/proxy_config_service_linux_unittest.cc
index f8e223880d56cbeb12c29c4d9ea6d3f1188f3c8a..ad12ea64805043b53d567ea7ffa4661dfa66c097 100644
--- a/net/proxy/proxy_config_service_linux_unittest.cc
+++ b/net/proxy/proxy_config_service_linux_unittest.cc
@@ -175,7 +175,7 @@ class MockSettingGetter
     values = zero_values;
   }
 
-  virtual bool Init(MessageLoop* glib_default_loop,
+  virtual bool Init(base::MessageLoopProxy* glib_default_loop,
                     MessageLoopForIO* file_loop) OVERRIDE {
     return true;
   }
@@ -187,7 +187,7 @@ class MockSettingGetter
     return true;
   }
 
-  virtual MessageLoop* GetNotificationLoop() OVERRIDE {
+  virtual base::MessageLoopProxy* GetNotificationLoop() OVERRIDE {
     return NULL;
   }
 
@@ -292,7 +292,7 @@ class SynchConfigGetter {
     DCHECK_EQ(MessageLoop::TYPE_IO, file_loop->type());
     // We pass the mock IO thread as both the IO and file threads.
     config_service_->SetupAndFetchInitialConfig(
-        MessageLoop::current(), io_thread_.message_loop(),
+        base::MessageLoopProxy::current(), io_thread_.message_loop_proxy(),
         static_cast<MessageLoopForIO*>(file_loop));
   }
   // Synchronously gets the proxy config.