Modify the PPB_Audio_Shared code for NaCl.

ppapi/proxy/plugin_main_nacl.cc

Index: ppapi/proxy/plugin_main_nacl.cc
===================================================================
--- ppapi/proxy/plugin_main_nacl.cc	(revision 148266)
+++ ppapi/proxy/plugin_main_nacl.cc	(working copy)
@@ -23,6 +23,7 @@
 #include "ppapi/c/ppp_instance.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
+#include "ppapi/shared_impl/ppb_audio_shared.h"
 
 #if defined(IPC_MESSAGE_LOG_ENABLED)
 #define IPC_MESSAGE_MACROS_LOG_ENABLED
@@ -38,8 +39,6 @@
 
 namespace {
 
-struct PP_ThreadFunctions thread_funcs;
-
 // Copied from src/content/ppapi_plugin/ppapi_thread. This is a minimal
 // implementation to get us started.
 class PluginDispatcherDelegate : public PluginDispatcher::PluginDelegate {
@@ -101,8 +100,10 @@
 }  // namespace
 
 void PpapiPluginRegisterThreadCreator(
-    const struct PP_ThreadFunctions* new_funcs) {
-  thread_funcs = *new_funcs;
+    const struct PP_ThreadFunctions* thread_functions) {
+  // Initialize all classes that need to create threads that call back into
+  // user code.
+  ppapi::PPB_Audio_Shared::SetThreadFunctions(thread_functions);
 }
 
 int IrtInit() {