Remove PlatformFile from components/nacl

components/nacl/renderer/file_downloader.cc

 // Copyright 2014 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 "components/nacl/renderer/file_downloader.h"
 
 #include "base/callback.h"
-#include "base/platform_file.h"
 #include "components/nacl/renderer/nexe_load_manager.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebURLError.h"
 #include "third_party/WebKit/public/platform/WebURLLoader.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 
 namespace nacl {
 
 FileDownloader::FileDownloader(scoped_ptr<blink::WebURLLoader> url_loader,
-                               base::PlatformFile file,
+                               base::File file,
                                StatusCallback status_cb,
                                ProgressCallback progress_cb)
     : url_loader_(url_loader.Pass()),
-      file_(file),
+      file_(file.Pass()),
       status_cb_(status_cb),
       progress_cb_(progress_cb),
       http_status_code_(-1),
       total_bytes_received_(0),
       total_bytes_to_be_received_(-1),
       status_(SUCCESS) {
   CHECK(!status_cb.is_null());
 }
 
 FileDownloader::~FileDownloader() {
@@ skipping 15 matching lines @@
   if (!progress_cb_.is_null())
     progress_cb_.Run(total_bytes_received_, total_bytes_to_be_received_);
 }
 
 void FileDownloader::didReceiveData(
     blink::WebURLLoader* loader,
     const char* data,
     int data_length,
     int encoded_data_length) {
   if (status_ == SUCCESS) {
-    if (base::WritePlatformFile(file_, total_bytes_received_, data,
-                                data_length) == -1) {
+    if (file_.Write(total_bytes_received_, data, data_length) == -1) {
       status_ = FAILED;
       return;
     }
     total_bytes_received_ += data_length;
     if (!progress_cb_.is_null())
       progress_cb_.Run(total_bytes_received_, total_bytes_to_be_received_);
   }
 }
 
 void FileDownloader::didFinishLoading(
     blink::WebURLLoader* loader,
     double finish_time,
     int64_t total_encoded_data_length) {
   if (status_ == SUCCESS) {
     // Seek back to the beginning of the file that was just written so it's
     // easy for consumers to use.
-    if (base::SeekPlatformFile(file_, base::PLATFORM_FILE_FROM_BEGIN, 0) != 0)
+    if (file_.Seek(base::File::FROM_BEGIN, 0) != 0)
       status_ = FAILED;
   }
-  status_cb_.Run(status_, http_status_code_);
+  status_cb_.Run(status_, file_.Pass(), http_status_code_);
   delete this;
 }
 
 void FileDownloader::didFail(
     blink::WebURLLoader* loader,
     const blink::WebURLError& error) {
   status_ = FAILED;
   if (error.domain.equals(blink::WebString::fromUTF8(net::kErrorDomain))) {
     switch (error.reason) {
       case net::ERR_ACCESS_DENIED:
       case net::ERR_NETWORK_ACCESS_DENIED:
         status_ = ACCESS_DENIED;
         break;
     }
   } else {
     // It's a WebKit error.
     status_ = ACCESS_DENIED;
   }
 }
 
 }  // namespace nacl