Adjust interfaces to indicate when tracking is in progress

base/tracked_objects.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/tracked_objects.h"
 
 #include <math.h>
 
 #include "base/format_macros.h"
 #include "base/message_loop.h"
@@ skipping 600 matching lines @@
   status_ = status ? ACTIVE : DEACTIVATED;
   return true;
 }
 
 // static
 bool ThreadData::tracking_status() {
   return status_ == ACTIVE;
 }
 
 // static
+TrackedTime ThreadData::NowForStartOfRun() {
+  return Now();
+}
+
+// static
+TrackedTime ThreadData::NowForEndOfRun() {
+  return Now();
+}
+
+// static
 TrackedTime ThreadData::Now() {
   if (kTrackAllTaskObjects && tracking_status())
     return TrackedTime::Now();
   return TrackedTime();  // Super fast when disabled, or not compiled.
 }
 
 // static
 void ThreadData::ShutdownSingleThreadedCleanup(bool leak) {
   // This is only called from test code, where we need to cleanup so that
   // additional tests can be run.
@@ skipping 616 matching lines @@
                         (combined_selectors_ & BIRTH_THREAD) ? "*" :
                           sample.birth().birth_thread()->thread_name().c_str(),
                         (combined_selectors_ & DEATH_THREAD) ? "*" :
                           sample.DeathThreadName().c_str());
   sample.birth().location().Write(!(combined_selectors_ & BIRTH_FILE),
                                   !(combined_selectors_ & BIRTH_FUNCTION),
                                   output);
 }
 
 }  // namespace tracked_objects