Move platform_thread to base/threading and put in the base namespace. I left ...

base/threading/watchdog.cc

 // 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/threading/watchdog.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
-#include "base/platform_thread.h"
+#include "base/threading/platform_thread.h"
 
 namespace base {
 
 // Start thread running in a Disarmed state.
 Watchdog::Watchdog(const TimeDelta& duration,
                    const std::string& thread_watched_name,
                    bool enabled)
   : init_successful_(false),
     lock_(),
     condition_variable_(&lock_),
@@ skipping 115 matching lines @@
 }
 
 // static
 Lock Watchdog::static_lock_;  // Lock for access of static data...
 // static
 TimeTicks Watchdog::last_debugged_alarm_time_ = TimeTicks();
 // static
 TimeDelta Watchdog::last_debugged_alarm_delay_;
 
 }  // namespace base