Remove all the swap() stuff in the PPAPI C++ wrappers....

ppapi/cpp/dev/file_ref_dev.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 PPAPI_CPP_DEV_FILE_REF_DEV_H_
 #define PPAPI_CPP_DEV_FILE_REF_DEV_H_
 
 #include "ppapi/c/dev/ppb_file_ref_dev.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/cpp/resource.h"
@@ skipping 17 matching lines @@
   // that has already been addref'ed for us.
   struct PassRef {};
   FileRef_Dev(PassRef, PP_Resource resource);
 
   // Creates a FileRef pointing to a path in the given filesystem.
   FileRef_Dev(const FileSystem_Dev& file_system, const char* path);
 
   FileRef_Dev(const FileRef_Dev& other);
 
   FileRef_Dev& operator=(const FileRef_Dev& other);
-  void swap(FileRef_Dev& other);
 
   // Returns the file system type.
   PP_FileSystemType_Dev GetFileSystemType() const;
 
   // Returns the name of the file.
   Var GetName() const;
 
   // Returns the absolute path of the file.  See PPB_FileRef::GetPath for more
   // details.
   Var GetPath() const;
@@ skipping 13 matching lines @@
                 const CompletionCallback& cc);
 
   int32_t Delete(const CompletionCallback& cc);
 
   int32_t Rename(const FileRef_Dev& new_file_ref, const CompletionCallback& cc);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_FILE_REF_H_