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

mojo/public/tools/bindings/generators/cpp_templates/interface_definition.tmpl

 {%- import "interface_macros.tmpl" as interface_macros %}
 {%- import "struct_macros.tmpl" as struct_macros %}
 
 {%- set class_name = interface.name %}
 {%- set proxy_name = interface.name ~ "Proxy" %}
 {%- set namespace_as_string = "%s"|format(namespace|replace(".","::")) %}
 
 {%- macro alloc_params(struct, params, message, serialization_context,
                        description) %}
   ({{serialization_context}})->handles.Swap(({{message}})->mutable_handles());
@@ skipping 218 matching lines @@
     std::unique_ptr<{{class_name}}_{{method.name}}_ProxyToResponder> proxy(
         new {{class_name}}_{{method.name}}_ProxyToResponder(
             request_id, is_sync, responder, group_controller));
     return base::Bind(&{{class_name}}_{{method.name}}_ProxyToResponder::Run,
                       base::Passed(&proxy));
   }
 
   ~{{class_name}}_{{method.name}}_ProxyToResponder() {
 #if DCHECK_IS_ON()
     if (responder_) {
-      // Is the Mojo application destroying the callback without running it
+      // Is the Service destroying the callback without running it
       // and without first closing the pipe?
       responder_->DCheckInvalid("The callback passed to "
           "{{class_name}}::{{method.name}}() was never run.");
     }
 #endif
     // If the Callback was dropped then deleting the responder will close
     // the pipe so the calling application knows to stop waiting for a reply.
     delete responder_;
   }
 
@@ skipping 190 matching lines @@
       break;
   }
 
   // Unrecognized message.
   ReportValidationError(
       &validation_context,
       mojo::internal::VALIDATION_ERROR_MESSAGE_HEADER_UNKNOWN_METHOD);
   return false;
 }
 {%- endif -%}