Rename ServiceProvider to InterfaceProvider.

mojo/shell/capability_filter_unittest.mojom

 // Copyright 2015 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.
 
 module mojo.shell;
 
 // The following two interfaces are implemented by a service application. Two
 // applications are started by a broker that connect to this service
 // application, one is limited by the broker to only see Safe while the other
 // can see both Safe and Unsafe.
 interface Safe { };
 interface Unsafe { };
 
-// Implemented by a service that records services exposed to an application and
-// connection errors to a target application.
+// Implemented by a service that records interfaces exposed to an application
+// and connection errors to a target application.
 interface Validator {
-  AddServiceCalled(string app_url,
-                   string service_url,
-                   string name,
-                   bool blocked);
+  AddInterfaceCalled(string app_url,
+                     string service_url,
+                     string name,
+                     bool blocked);
   ConnectionClosed(string from_url, string to_url);
 };