Include mojo_main_{chromium,standalone}.cc instead of using a target

mojo/public/cpp/application/application.h

 // 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.
 
 #ifndef MOJO_PUBLIC_APPLICATION_APPLICATION_H_
 #define MOJO_PUBLIC_APPLICATION_APPLICATION_H_
 #include <vector>
 
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/cpp/application/lib/service_connector.h"
 #include "mojo/public/cpp/system/core.h"
 #include "mojo/public/interfaces/service_provider/service_provider.mojom.h"
 
 #if defined(WIN32)
 #if !defined(CDECL)
 #define CDECL __cdecl
 #endif
 #define APPLICATION_EXPORT __declspec(dllexport)
 #else
 #define CDECL
 #define APPLICATION_EXPORT __attribute__((visibility("default")))
 #endif
 
 // DSOs can either implement MojoMain directly or utilize the
-// mojo_main_{standalone|chromium} gyp targets and implement
+// mojo_main_{standalone|chromium} gyp variables and implement
 // Application::Create();
 // TODO(davemoore): Establish this as part of our SDK for third party mojo
 // application writers.
 extern "C" APPLICATION_EXPORT MojoResult CDECL MojoMain(
     MojoHandle service_provider_handle);
 
 namespace mojo {
 
 // Utility class for creating ServiceProviders that vend service instances.
 // To use define a class that implements your specific server api, e.g. FooImpl
@@ skipping 84 matching lines @@
       internal::ServiceConnectorBase* service_connector) MOJO_OVERRIDE;
 
   typedef std::map<std::string, internal::ServiceConnectorBase*>
       NameToServiceConnectorMap;
   NameToServiceConnectorMap name_to_service_connector_;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_APPLICATION_APPLICATION_H_