Add tracing support to NaCl

content/common/child_thread.cc

Index: content/common/child_thread.cc
diff --git a/content/common/child_thread.cc b/content/common/child_thread.cc
index 17e201d9fb4218790c8fda975cfe94d1d5e9df91..8b1b000eb088433784789796d4147d55afeac3cb 100644
--- a/content/common/child_thread.cc
+++ b/content/common/child_thread.cc
@@ -14,11 +14,11 @@
 #include "content/common/child_histogram_message_filter.h"
 #include "content/common/child_process.h"
 #include "content/common/child_process_messages.h"
-#include "content/common/child_trace_message_filter.h"
 #include "content/common/fileapi/file_system_dispatcher.h"
 #include "content/common/quota_dispatcher.h"
 #include "content/common/resource_dispatcher.h"
 #include "content/common/socket_stream_dispatcher.h"
+#include "content/components/tracing/child_trace_message_filter.h"
 #include "content/public/common/content_switches.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_switches.h"
@@ -115,7 +115,8 @@ void ChildThread::Init() {
 
   channel_->AddFilter(histogram_message_filter_.get());
   channel_->AddFilter(sync_message_filter_.get());
-  channel_->AddFilter(new ChildTraceMessageFilter());
+  channel_->AddFilter(new ChildTraceMessageFilter(
+      ChildProcess::current()->io_message_loop_proxy()));
 
 #if defined(OS_POSIX)
   // Check that --process-type is specified so we don't do this in unit tests