Add tracing support to NaCl

content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc

Index: content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc
diff --git a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc
index 3e074c41db1ab0ffb27500bc31a3d0d07cd4392d..518e6475c40f9dfae6e0a7d5b655436891041a75 100644
--- a/content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc
+++ b/content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc
@@ -5,6 +5,7 @@
 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
 #include "content/browser/renderer_host/pepper/pepper_message_filter.h"
 
+#include "content/browser/trace_message_filter.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
 #include "ipc/ipc_message_macros.h"
@@ -31,6 +32,7 @@ BrowserPpapiHost* BrowserPpapiHost::CreateExternalPluginProcess(
                               render_process_id,
                               render_view_id));
   channel->AddFilter(browser_ppapi_host->message_filter());
+  channel->AddFilter(new TraceMessageFilter());
 
   return browser_ppapi_host;
 }