Switch to standard integer types in chrome/browser/, part 2 of 4.

chrome/browser/media_galleries/linux/mtp_read_file_worker.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 "chrome/browser/media_galleries/linux/mtp_read_file_worker.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/numerics/safe_conversions.h"
 #include "chrome/browser/media_galleries/linux/snapshot_file_details.h"
 #include "components/storage_monitor/storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/media_transfer_protocol/media_transfer_protocol_manager.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 using content::BrowserThread;
 using storage_monitor::StorageMonitor;
 
 namespace {
 
 // Appends |data| to the snapshot file specified by the |snapshot_file_path| on
 // the file thread.
 // Returns the number of bytes written to the snapshot file. In case of failure,
 // returns zero.
-uint32 WriteDataChunkIntoSnapshotFileOnFileThread(
+uint32_t WriteDataChunkIntoSnapshotFileOnFileThread(
     const base::FilePath& snapshot_file_path,
     const std::string& data) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
   return base::AppendToFile(snapshot_file_path, data.c_str(), data.size())
-             ? base::checked_cast<uint32>(data.size())
+             ? base::checked_cast<uint32_t>(data.size())
              : 0;
 }
 
 }  // namespace
 
 MTPReadFileWorker::MTPReadFileWorker(const std::string& device_handle)
     : device_handle_(device_handle),
       weak_ptr_factory_(this) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(!device_handle_.empty());
@@ skipping 54 matching lines @@
       base::Bind(&WriteDataChunkIntoSnapshotFileOnFileThread,
                  snapshot_file_details_ptr->snapshot_file_path(),
                  data),
       base::Bind(&MTPReadFileWorker::OnDidWriteDataChunkIntoSnapshotFile,
                  weak_ptr_factory_.GetWeakPtr(),
                  base::Passed(&snapshot_file_details)));
 }
 
 void MTPReadFileWorker::OnDidWriteDataChunkIntoSnapshotFile(
     scoped_ptr<SnapshotFileDetails> snapshot_file_details,
-    uint32 bytes_written) {
+    uint32_t bytes_written) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(snapshot_file_details.get());
   if (snapshot_file_details->AddBytesWritten(bytes_written)) {
     if (!snapshot_file_details->IsSnapshotFileWriteComplete()) {
       ReadDataChunkFromDeviceFile(snapshot_file_details.Pass());
       return;
     }
   } else {
     snapshot_file_details->set_error_occurred(true);
   }
@@ skipping 13 matching lines @@
                    base::File::FILE_ERROR_FAILED));
     return;
   }
   content::BrowserThread::PostTask(
       content::BrowserThread::IO,
       FROM_HERE,
       base::Bind(snapshot_file_details->success_callback(),
                  snapshot_file_details->file_info(),
                  snapshot_file_details->snapshot_file_path()));
 }