Purge references of "Mojo Application" from comments & var names.

mojo/public/cpp/bindings/lib/interface_endpoint_client.cc

Index: mojo/public/cpp/bindings/lib/interface_endpoint_client.cc
diff --git a/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc b/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc
index df16ecfaeea4bfe11562d4e2f54be8a563ca8b90..2a02ef202f47455b80875d4a423da1648e7b1614 100644
--- a/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc
+++ b/mojo/public/cpp/bindings/lib/interface_endpoint_client.cc
@@ -46,7 +46,7 @@ class ResponderThunk : public MessageReceiverWithStatus {
         task_runner_(std::move(runner)) {}
   ~ResponderThunk() override {
     if (!accept_was_invoked_) {
-      // The Mojo application handled a message that was expecting a response
+      // The Service handled a message that was expecting a response
       // but did not send a response.
       // We raise an error to signal the calling application that an error
       // condition occurred. Without this the calling application would have no