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

ppapi/cpp/dev/file_ref_dev.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 "ppapi/cpp/dev/file_ref_dev.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/dev/file_system_dev.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 18 matching lines @@
   if (!file_ref_f)
     return;
   PassRefFromConstructor(file_ref_f->Create(file_system.pp_resource(), path));
 }
 
 FileRef_Dev::FileRef_Dev(const FileRef_Dev& other)
     : Resource(other) {
 }
 
 FileRef_Dev& FileRef_Dev::operator=(const FileRef_Dev& other) {
-  FileRef_Dev copy(other);
-  swap(copy);
+  Resource::operator=(other);
   return *this;
 }
 
-void FileRef_Dev::swap(FileRef_Dev& other) {
-  Resource::swap(other);
-}
-
 PP_FileSystemType_Dev FileRef_Dev::GetFileSystemType() const {
   if (!file_ref_f)
     return PP_FILESYSTEMTYPE_EXTERNAL;
   return file_ref_f->GetFileSystemType(pp_resource());
 }
 
 Var FileRef_Dev::GetName() const {
   if (!file_ref_f)
     return Var();
   return Var(Var::PassRef(), file_ref_f->GetName(pp_resource()));
@@ skipping 57 matching lines @@
 int32_t FileRef_Dev::Rename(const FileRef_Dev& new_file_ref,
                             const CompletionCallback& cc) {
   if (!file_ref_f)
     return PP_ERROR_NOINTERFACE;
   return file_ref_f->Rename(pp_resource(),
                             new_file_ref.pp_resource(),
                             cc.pp_completion_callback());
 }
 
 }  // namespace pp