Rename InterfaceID to ApiID and move the file.

ppapi/proxy/plugin_resource_tracker.cc

Index: ppapi/proxy/plugin_resource_tracker.cc
diff --git a/ppapi/proxy/plugin_resource_tracker.cc b/ppapi/proxy/plugin_resource_tracker.cc
index e91b35ff272a1358390f2ae8172f76817d26ca7b..3fee320979f3eed0497f05b5333054680a795f5c 100644
--- a/ppapi/proxy/plugin_resource_tracker.cc
+++ b/ppapi/proxy/plugin_resource_tracker.cc
@@ -65,7 +65,7 @@ void PluginResourceTracker::RemoveResource(Resource* object) {
       // the instance was destroyed. In that case the browser-side resource has
       // already been freed correctly on the browser side.
       dispatcher->Send(new PpapiHostMsg_PPBCore_ReleaseResource(
-          INTERFACE_ID_PPB_CORE, object->host_resource()));
+          API_ID_PPB_CORE, object->host_resource()));
     }
   }
 }