Move thread_pool.h into utils so it can be shared by more than one example.

native_client_sdk/src/libraries/nacl_io/mount.h

 /* Copyright (c) 2012 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 LIBRARIES_NACL_IO_MOUNT_H_
 #define LIBRARIES_NACL_IO_MOUNT_H_
 
 #include <map>
 #include <string>
 
 #include "nacl_io/inode_pool.h"
 #include "nacl_io/mount_node.h"
 #include "nacl_io/path.h"
-#include "utils/macros.h"
-#include "utils/ref_object.h"
+#include "sdk_util/macros.h"
+#include "sdk_util/ref_object.h"
 
 class MountNode;
 class PepperInterface;
 
 typedef std::map<std::string, std::string> StringMap_t;
 
 
 class Mount : public RefObject {
  protected:
   // The protected functions are only used internally and will not
@@ skipping 61 matching lines @@
 Mount* Mount::Create(int dev, StringMap_t& args, PepperInterface* ppapi) {
   Mount* mnt = new M();
   if (mnt->Init(dev, args, ppapi) == false) {
     delete mnt;
     return NULL;
   }
   return mnt;
 }
 
 #endif  // LIBRARIES_NACL_IO_MOUNT_H_