Remove stale references to PlatformFile flags, errors or functions.

ppapi/proxy/file_io_resource.cc

 // 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.
 
 #include "ppapi/proxy/file_io_resource.h"
 
 #include "base/bind.h"
 #include "base/task_runner_util.h"
 #include "ipc/ipc_message.h"
 #include "ppapi/c/pp_errors.h"
@@ skipping 75 matching lines @@
       offset_(offset),
       buffer_(buffer.Pass()),
       bytes_to_write_(bytes_to_write),
       append_(append) {
 }
 
 FileIOResource::WriteOp::~WriteOp() {
 }
 
 int32_t FileIOResource::WriteOp::DoWork() {
-  // In append mode, we can't call WritePlatformFile, since NaCl doesn't
-  // implement fcntl, causing the function to call pwrite, which is incorrect.
+  // In append mode, we can't call Write, since NaCl doesn't implement fcntl,
+  // causing the function to call pwrite, which is incorrect.
   if (append_) {
     return file_holder_->file()->WriteAtCurrentPos(buffer_.get(),
                                                    bytes_to_write_);
   } else {
     return file_holder_->file()->Write(offset_, buffer_.get(), bytes_to_write_);
   }
 }
 
 FileIOResource::FileIOResource(Connection connection, PP_Instance instance)
     : PluginResource(connection, instance),
@@ skipping 601 matching lines @@
   *output_handle = IPC::PlatformFileForTransitToPlatformFile(transit_file);
 
   // End this operation now, so the user's callback can execute another FileIO
   // operation, assuming there are no other pending operations.
   state_manager_.SetOperationFinished();
   callback->Run(result);
 }
 
 }  // namespace proxy
 }  // namespace ppapi