Remove duplicate application cpp files in mojo/application.

mojo/services/network/main.cc

Index: mojo/services/network/main.cc
diff --git a/mojo/services/network/main.cc b/mojo/services/network/main.cc
index f0a4e98b6a76745326a306b27ef70132ab72eae3..49dbef851592510deded315dbd51634ebf22a38d 100644
--- a/mojo/services/network/main.cc
+++ b/mojo/services/network/main.cc
@@ -3,12 +3,12 @@
 // found in the LICENSE file.
 
 #include "base/message_loop/message_loop.h"
-#include "mojo/application/application_runner_chromium.h"
+#include "mojo/application/public/cpp/application_runner.h"
 #include "mojo/services/network/network_service_delegate.h"
 #include "third_party/mojo/src/mojo/public/c/system/main.h"
 
 MojoResult MojoMain(MojoHandle shell_handle) {
-  mojo::ApplicationRunnerChromium runner(new NetworkServiceDelegate);
+  mojo::ApplicationRunner runner(new NetworkServiceDelegate);
   runner.set_message_loop_type(base::MessageLoop::TYPE_IO);
   return runner.Run(shell_handle);
 }