mojo: first take on removing mojo_main_{chromium,standalone}.

mojo/public/cpp/application/lib/application_impl_chromium.cc

Index: mojo/public/cpp/application/lib/application_impl_chromium.cc
diff --git a/mojo/public/cpp/application/lib/application_impl_chromium.cc b/mojo/public/cpp/application/lib/application_impl_chromium.cc
deleted file mode 100644
index 771115f3fe16a94cd8fe990cff137dd2fc056e4d..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/application/lib/application_impl_chromium.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2014 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 "base/message_loop/message_loop.h"
-#include "mojo/public/cpp/application/application_impl.h"
-
-namespace mojo {
-
-void ApplicationImpl::Terminate() {
-  if (base::MessageLoop::current()->is_running())
-    base::MessageLoop::current()->Quit();
-}
-
-}  // namespace mojo