Tag all tracked objects, including Tasks, with the program counter at the site of FROM_HERE.

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
===================================================================
--- chrome/browser/sync/profile_sync_service.cc	(revision 85540)
+++ chrome/browser/sync/profile_sync_service.cc	(working copy)
@@ -505,7 +505,8 @@
   unrecoverable_error_location_.reset(
       new tracked_objects::Location(from_here.function_name(),
                                     from_here.file_name(),
-                                    from_here.line_number()));
+                                    from_here.line_number(),
+                                    from_here.program_counter()));
 
   // Tell the wizard so it can inform the user only if it is already open.
   wizard_.Step(SyncSetupWizard::FATAL_ERROR);