Remove default initializtion of BirthPlace in Tracked.

base/tracked.cc

 // Copyright (c) 2006-2008 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.h"
 
 #include "base/stringprintf.h"
 #include "base/tracked_objects.h"
 
 using base::TimeTicks;
@@ skipping 61 matching lines @@
 bool Tracked::MissingBirthplace() const { return false; }
 void Tracked::ResetBirthTime() {}
 
 #else
 
 Tracked::Tracked()
     : tracked_births_(NULL),
       tracked_birth_time_(TimeTicks::Now()) {
   if (!ThreadData::IsActive())
     return;
-  SetBirthPlace(Location("NoFunctionName", "NeedToSetBirthPlace", -1));

[jar (doing other things), 2011/05/18 20:46:08]

Line 80 has no side effects... so it too can go.

 }
 
 Tracked::~Tracked() {
   if (!ThreadData::IsActive() || !tracked_births_)
     return;
   ThreadData::current()->TallyADeath(*tracked_births_,
                                      TimeTicks::Now() - tracked_birth_time_);
 }
 
 void Tracked::SetBirthPlace(const Location& from_here) {
@@ skipping 15 matching lines @@
   tracked_birth_time_ = TimeTicks::Now();
 }
 
 bool Tracked::MissingBirthplace() const {
   return -1 == tracked_births_->location().line_number();
 }
 
 #endif  // NDEBUG
 
 }  // namespace tracked_objects