Remove default initializtion of BirthPlace in Tracked.

base/tracked.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 "build/build_config.h"
 
 #if defined(COMPILER_MSVC)
 // MSDN says to #include <intrin.h>, but that breaks the VS2005 build.
 extern "C" {
 void* _ReturnAddress();
@@ skipping 89 matching lines @@
   return kNone;
 }
 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, NULL));
 }
 
 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 17 matching lines @@
   tracked_birth_time_ = TimeTicks::Now();
 }
 
 bool Tracked::MissingBirthplace() const {
   return -1 == tracked_births_->location().line_number();
 }
 
 #endif  // NDEBUG
 
 }  // namespace tracked_objects