Uprev libchrome to r576279 (1/many)

Test: compilation
Change-Id: If75092008dcca5dfbb1683072f03cb1e5fa2e62f
Merged-In: If75092008dcca5dfbb1683072f03cb1e5fa2e62f
diff --git a/brillo/process_reaper.h b/brillo/process_reaper.h
index 41bbe73..7b70a8d 100644
--- a/brillo/process_reaper.h
+++ b/brillo/process_reaper.h
@@ -39,7 +39,7 @@
   // selected process exits or the process terminates for other reason. The
   // |callback| receives the exit status and exit code of the terminated process
   // as a siginfo_t. See wait(2) for details about siginfo_t.
-  bool WatchForChild(const tracked_objects::Location& from_here,
+  bool WatchForChild(const base::Location& from_here,
                      pid_t pid,
                      const ChildCallback& callback);
 
@@ -56,7 +56,7 @@
   bool HandleSIGCHLD(const signalfd_siginfo& sigfd_info);
 
   struct WatchedProcess {
-    tracked_objects::Location location;
+    base::Location location;
     ChildCallback callback;
   };
   std::map<pid_t, WatchedProcess> watched_processes_;