Sync trace time on Chrome OS (just like Android)

base/debug/trace_event_impl.cc

Index: base/debug/trace_event_impl.cc
diff --git a/base/debug/trace_event_impl.cc b/base/debug/trace_event_impl.cc
index 1f23c369014932f097753dd10af062693292f1fe..1d8cddab0abc5629362a5a86ab0fd6e25a36c80e 100644
--- a/base/debug/trace_event_impl.cc
+++ b/base/debug/trace_event_impl.cc
@@ -683,7 +683,7 @@ void TraceLog::AddTraceEventEtw(char phase,
 }
 
 void TraceLog::AddClockSyncMetadataEvents() {
-#if defined(OS_ANDROID)
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
   // Since Android does not support sched_setaffinity, we cannot establish clock

[nduca, 2012/02/27 22:47:36]

You probably want to adjust the comments here, they're a bit stale.

[jar (doing other things), 2012/02/27 22:54:10]

+1
On 2012/02/27 22:47:36, nduca wrote:

   // sync unless the scheduler clock is set to global. If the trace_clock file
   // can't be read, we will assume the kernel doesn't support tracing and do