Implement PPB_NetworkMonitor_Private Pepper interface.

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.cc b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
index 96717d5c0d2e849d492dfb38c3a9c73996453224..0bf3ddc70d39fc646bdbb14cd820bf2097786bf0 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
@@ -39,6 +39,7 @@
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/media/pepper_platform_video_decoder_impl.h"
 #include "content/renderer/p2p/p2p_transport_impl.h"
+#include "content/renderer/p2p/socket_dispatcher.h"
 #include "content/renderer/pepper/pepper_broker_impl.h"
 #include "content/renderer/pepper/pepper_platform_audio_input_impl.h"
 #include "content/renderer/pepper/pepper_platform_audio_output_impl.h"
@@ -1330,6 +1331,25 @@ void PepperPluginDelegateImpl::TCPServerSocketStopListening(
   }
 }
 
+bool PepperPluginDelegateImpl::AddNetworkListObserver(
+    webkit_glue::NetworkListObserver* observer) {
+  content::P2PSocketDispatcher* socket_dispatcher =
+      render_view_->p2p_socket_dispatcher();
+  if (!socket_dispatcher) {
+    return false;
+  }
+  socket_dispatcher->AddNetworkListObserver(observer);
+  return true;
+}
+
+void PepperPluginDelegateImpl::RemoveNetworkListObserver(
+    webkit_glue::NetworkListObserver* observer) {
+  content::P2PSocketDispatcher* socket_dispatcher =
+      render_view_->p2p_socket_dispatcher();
+  if (socket_dispatcher)
+      socket_dispatcher->RemoveNetworkListObserver(observer);
+}
+
 int32_t PepperPluginDelegateImpl::ShowContextMenu(
     webkit::ppapi::PluginInstance* instance,
     webkit::ppapi::PPB_Flash_Menu_Impl* menu,