Update from https://crrev.com/304121

base/profiler/scoped_tracker.cc

Index: base/profiler/scoped_tracker.cc
diff --git a/base/profiler/scoped_tracker.cc b/base/profiler/scoped_tracker.cc
index 1d4f0bfcafd33bf9e3af19644655bded3ad2fef4..26b17c015539b043d6b5c981b7a3c802587c7723 100644
--- a/base/profiler/scoped_tracker.cc
+++ b/base/profiler/scoped_tracker.cc
@@ -15,7 +15,7 @@ ScopedProfile::Mode g_scoped_profile_mode = ScopedProfile::DISABLED;
 // Executes |callback|, augmenting it with provided |location|.
 void ExecuteAndTrackCallback(const Location& location,
                              const base::Closure& callback) {
-  ScopedProfile tracking_profile(location);
+  ScopedProfile tracking_profile(location, ScopedProfile::ENABLED);
   callback.Run();
 }