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

chrome/browser/chromeos/login/camera.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_CAMERA_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_CAMERA_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/lock.h"
 #include "base/ref_counted.h"
-#include "base/thread.h"
+#include "base/threading/thread.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 class Task;
 namespace base {
 class Thread;
 }  // namespace base
 
 namespace chromeos {
 
 // Class that wraps interaction with video capturing device. Returns
@@ skipping 160 matching lines @@
 
   // Lock that guards references to |camera_thread_|.
   mutable Lock thread_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(Camera);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_CAMERA_H_