Move base/thread.h to base/threading, fix up callers to use the new location....

base/ref_counted.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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/ref_counted.h"
 
 #include "base/logging.h"
-#include "base/thread_collision_warner.h"
+#include "base/threading/thread_collision_warner.h"
 
 namespace base {
 
 namespace subtle {
 
 RefCountedBase::RefCountedBase()
     : ref_count_(0)
 #ifndef NDEBUG
     , in_dtor_(false)
 #endif
@@ skipping 67 matching lines @@
 }
 
 bool RefCountedThreadSafeBase::HasOneRef() const {
   return AtomicRefCountIsOne(
       &const_cast<RefCountedThreadSafeBase*>(this)->ref_count_);
 }
 
 }  // namespace subtle
 
 }  // namespace base