Convert the pp::proxy namespace to the ppapi::proxy namespace.

content/ppapi_plugin/broker_process_dispatcher.h

Index: content/ppapi_plugin/broker_process_dispatcher.h
diff --git a/content/ppapi_plugin/broker_process_dispatcher.h b/content/ppapi_plugin/broker_process_dispatcher.h
index c8e1ad39ea3a0863deff464e1ca05b9bec60ccc2..adecc97a9c6a38ef430c062b6070dd64f84d9c39 100644
--- a/content/ppapi_plugin/broker_process_dispatcher.h
+++ b/content/ppapi_plugin/broker_process_dispatcher.h
@@ -11,7 +11,7 @@
 // Wrapper around a BrokerDispatcher that provides the necessary integration
 // for plugin process management. This class is to avoid direct dependencies
 // from the PPAPI proxy on the Chrome multiprocess infrastructure.
-class BrokerProcessDispatcher : public pp::proxy::BrokerSideDispatcher {
+class BrokerProcessDispatcher : public ppapi::proxy::BrokerSideDispatcher {
  public:
   BrokerProcessDispatcher(base::ProcessHandle remote_process_handle,
                           PP_ConnectInstance_Func connect_instance);