Remove default initializtion of BirthPlace in Tracked.

base/tracked_objects_unittest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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.
 
 // Test of classes in the tracked_objects.h classes.
 
 #include "base/tracked_objects.h"
 
 #include "base/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 41 matching lines @@
 }
 
 class NoopTracked : public tracked_objects::Tracked {
 };
 
 TEST_F(TrackedObjectsTest, TinyStartupShutdown) {
   if (!ThreadData::StartTracking(true))
     return;
 
   // Instigate tracking on a single tracked object, or our thread.
+  const Location& location = FROM_HERE;
   NoopTracked tracked;
+  tracked.SetBirthPlace(location);
 
   const ThreadData* data = ThreadData::first();
-  EXPECT_TRUE(data);
+  ASSERT_TRUE(data);
   EXPECT_TRUE(!data->next());
   EXPECT_EQ(data, ThreadData::current());
   ThreadData::BirthMap birth_map;
   data->SnapshotBirthMap(&birth_map);
   EXPECT_EQ(1u, birth_map.size());                         // 1 birth location.
   EXPECT_EQ(1, birth_map.begin()->second->birth_count());  // 1 birth.
   ThreadData::DeathMap death_map;
   data->SnapshotDeathMap(&death_map);
   EXPECT_EQ(0u, death_map.size());                         // No deaths.
 
 
   // Now instigate a birth, and a death.
-  delete new NoopTracked;
+  NoopTracked* new_tracked = new NoopTracked;
+  new_tracked->SetBirthPlace(location);
+  delete new_tracked;
 
   birth_map.clear();
   data->SnapshotBirthMap(&birth_map);
   EXPECT_EQ(1u, birth_map.size());                         // 1 birth location.
   EXPECT_EQ(2, birth_map.begin()->second->birth_count());  // 2 births.
   death_map.clear();
   data->SnapshotDeathMap(&death_map);
   EXPECT_EQ(1u, death_map.size());                         // 1 location.
   EXPECT_EQ(1, death_map.begin()->second.count());         // 1 death.
 
   // The births were at the same location as the one known death.
   EXPECT_EQ(birth_map.begin()->second, death_map.begin()->first);
 
   ThreadData::ShutdownSingleThreadedCleanup();
 }
 
 }  // namespace tracked_objects