Refactor PPB_NetworkMonitor_Private interface to use CompletionCallback.

content/renderer/pepper/resource_creation_impl.cc

Index: content/renderer/pepper/resource_creation_impl.cc
diff --git a/content/renderer/pepper/resource_creation_impl.cc b/content/renderer/pepper/resource_creation_impl.cc
index a9ec20d6dafabd33c28ddd028be4191724973bcb..658c7b17d4242ec68373a69f9110279a9cdd3fd6 100644
--- a/content/renderer/pepper/resource_creation_impl.cc
+++ b/content/renderer/pepper/resource_creation_impl.cc
@@ -218,10 +218,7 @@ PP_Resource ResourceCreationImpl::CreateTouchInputEvent(
       ppapi::OBJECT_IS_IMPL, instance, type, time_stamp, modifiers);
 }
 
-PP_Resource ResourceCreationImpl::CreateNetworkMonitor(
-    PP_Instance instance,
-    PPB_NetworkMonitor_Callback callback,
-    void* user_data) {
+PP_Resource ResourceCreationImpl::CreateNetworkMonitor(PP_Instance instance) {
   return 0;  // Not supported in-process.
 }