Refactor PPB_NetworkMonitor_Private interface to use CompletionCallback.

ppapi/cpp/private/network_monitor_private.cc

Index: ppapi/cpp/private/network_monitor_private.cc
diff --git a/ppapi/cpp/private/network_monitor_private.cc b/ppapi/cpp/private/network_monitor_private.cc
index 2f931ea4288503c71567b0f2affef80d01abb576..50ef3d68c421b582a0c2208c4da1758a4a3d73d2 100644
--- a/ppapi/cpp/private/network_monitor_private.cc
+++ b/ppapi/cpp/private/network_monitor_private.cc
@@ -4,8 +4,11 @@
 
 #include "ppapi/cpp/private/network_monitor_private.h"
 
+#include "ppapi/c/private/ppb_network_monitor_private.h"
+#include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module_impl.h"
+#include "ppapi/cpp/private/network_list_private.h"
 
 namespace pp {
 
@@ -17,16 +20,22 @@ template <> const char* interface_name<PPB_NetworkMonitor_Private>() {
 
 }  // namespace
 
-NetworkMonitorPrivate::NetworkMonitorPrivate(
-    const InstanceHandle& instance,
-    PPB_NetworkMonitor_Callback callback,
-    void* user_data) {
+NetworkMonitorPrivate::NetworkMonitorPrivate(const InstanceHandle& instance) {
   if (has_interface<PPB_NetworkMonitor_Private>()) {
     PassRefFromConstructor(get_interface<PPB_NetworkMonitor_Private>()->Create(
-        instance.pp_instance(), callback, user_data));
+        instance.pp_instance()));
   }
 }
 
+int32_t NetworkMonitorPrivate::UpdateNetworkList(
+    const CompletionCallbackWithOutput<NetworkListPrivate>& callback) {
+  if (has_interface<PPB_NetworkMonitor_Private>()) {
+    return get_interface<PPB_NetworkMonitor_Private>()->UpdateNetworkList(
+        pp_resource(), callback.output(), callback.pp_completion_callback());
+  }
+  return callback.MayForce(PP_ERROR_NOINTERFACE);
+}
+
 // static
 bool NetworkMonitorPrivate::IsAvailable() {
   return has_interface<PPB_NetworkMonitor_Private>();