Provide a way to disable Nagle's algorithm on Pepper TCP sockets.

webkit/plugins/ppapi/mock_plugin_delegate.cc

Index: webkit/plugins/ppapi/mock_plugin_delegate.cc
diff --git a/webkit/plugins/ppapi/mock_plugin_delegate.cc b/webkit/plugins/ppapi/mock_plugin_delegate.cc
index 6df3dd9ba92a22b9ba4199a21e1387ab6fcd8db2..c4656181470e5ef4cba3887e10c1768408731e33 100644
--- a/webkit/plugins/ppapi/mock_plugin_delegate.cc
+++ b/webkit/plugins/ppapi/mock_plugin_delegate.cc
@@ -264,6 +264,11 @@ void MockPluginDelegate::TCPSocketWrite(uint32 socket_id,
                                         const std::string& buffer) {
 }
 
+void MockPluginDelegate::TCPSocketSetBoolOption(uint32 socket_id,
+                                                PP_TCPSocketOption_Private name,
+                                                bool value) {
+}
+
 void MockPluginDelegate::TCPSocketDisconnect(uint32 socket_id) {
 }