Add NetworkList/NetworkMonitor hooks and C++ wrappers.

ppapi/proxy/resource_creation_proxy.h

Index: ppapi/proxy/resource_creation_proxy.h
diff --git a/ppapi/proxy/resource_creation_proxy.h b/ppapi/proxy/resource_creation_proxy.h
index c7f84abd3c7a1b5b56116f8f2c5fb7c42d86718e..2b9428aa48ad3a833618ee9e90410de94f7e90e2 100644
--- a/ppapi/proxy/resource_creation_proxy.h
+++ b/ppapi/proxy/resource_creation_proxy.h
@@ -101,6 +101,10 @@ class ResourceCreationProxy : public InterfaceProxy,
       const PP_Point* mouse_position,
       int32_t click_count,
       const PP_Point* mouse_movement) OVERRIDE;
+  virtual PP_Resource CreateNetworkMonitor(
+      PP_Instance instance,
+      PPB_NetworkMonitor_Callback callback,
+      void* user_data) OVERRIDE;
   virtual PP_Resource CreateResourceArray(PP_Instance instance,
                                           const PP_Resource elements[],
                                           uint32_t size) OVERRIDE;