Replaces |shell_handle| with |application_request| as the name of the parameter to MojoMain().

services/test_service/test_request_tracker_application.cc

Index: services/test_service/test_request_tracker_application.cc
diff --git a/services/test_service/test_request_tracker_application.cc b/services/test_service/test_request_tracker_application.cc
index a2f8cc2fdc4bc8e32664edee3e3bd2d5a160299f..6f8f049790ee62aadf3feb7b6ca9f8c6964d9428 100644
--- a/services/test_service/test_request_tracker_application.cc
+++ b/services/test_service/test_request_tracker_application.cc
@@ -56,8 +56,8 @@ void TestRequestTrackerApplication::Create(
 }  // namespace test
 }  // namespace mojo
 
-MojoResult MojoMain(MojoHandle shell_handle) {
+MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunner runner(
       new mojo::test::TestRequestTrackerApplication);
-  return runner.Run(shell_handle);
+  return runner.Run(application_request);
 }