Add support for writing system traces at startup

content/browser/tracing/trace_controller_impl.cc

Index: content/browser/tracing/trace_controller_impl.cc
diff --git a/content/browser/tracing/trace_controller_impl.cc b/content/browser/tracing/trace_controller_impl.cc
index 54e0c86cb4268597afcdc557fa8bd0501761a90b..b1a5a82a96f7dfcf142fba2e6c90237cb12699c8 100644
--- a/content/browser/tracing/trace_controller_impl.cc
+++ b/content/browser/tracing/trace_controller_impl.cc
@@ -14,6 +14,11 @@
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/common/content_switches.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/debug_daemon_client.h"
+#endif

[dsinclair, 2013/08/20 14:05:26]

Is this part of the future cl as well?

[DaveMoore, 2013/08/20 14:58:00]

Done.

+
 using base::debug::TraceLog;
 
 namespace content {
@@ -26,9 +31,11 @@ base::LazyInstance<TraceControllerImpl>::Leaky g_controller =
 class AutoStopTraceSubscriberStdio : public TraceSubscriberStdio {
  public:
   AutoStopTraceSubscriberStdio(const base::FilePath& file_path)
-      : TraceSubscriberStdio(file_path) {}
+      : TraceSubscriberStdio(file_path,
+                             FILE_TYPE_PROPERTY_LIST,
+                             false) {}
 
-  static void EndStartupTrace(TraceSubscriberStdio* subscriber) {
+  static void EndStartupTrace(AutoStopTraceSubscriberStdio* subscriber) {
     if (!TraceControllerImpl::GetInstance()->EndTracingAsync(subscriber))
       delete subscriber;
     // else, the tracing will end asynchronously in OnEndTracingComplete().