Cleanup: Remove using statements from webkit/fileapi header files.

webkit/fileapi/native_file_util.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 "webkit/fileapi/native_file_util.h"
 
-#include <vector>
-
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 
 namespace fileapi {
 
 namespace {
 
 // Sets permissions on directory at |dir_path| based on the target platform.
 // Returns true on success, or false otherwise.
 //
 // TODO(benchan): Find a better place outside webkit to host this function.
 bool SetPlatformSpecificDirectoryPermissions(const FilePath& dir_path) {
 #if defined(OS_CHROMEOS)
     // System daemons on Chrome OS may run as a user different than the Chrome
     // process but need to access files under the directories created here.
     // Because of that, grant the execute permission on the created directory
     // to group and other users.
     if (HANDLE_EINTR(chmod(dir_path.value().c_str(),
                            S_IRWXU | S_IXGRP | S_IXOTH)) != 0) {
       return false;
     }
 #endif
     // Keep the directory permissions unchanged on non-Chrome OS platforms.
     return true;
 }
 
 }  // namespace
 
+using base::PlatformFile;
+using base::PlatformFileError;
+
 class NativeFileEnumerator : public FileSystemFileUtil::AbstractFileEnumerator {
  public:
   NativeFileEnumerator(const FilePath& root_path,
                        bool recursive,
                        int file_type)
     : file_enum_(root_path, recursive, file_type) {
 #if defined(OS_WIN)
     memset(&file_util_info_, 0, sizeof(file_util_info_));
 #endif  // defined(OS_WIN)
   }
@@ skipping 193 matching lines @@
   if (!file_util::IsDirectoryEmpty(path)) {
     // TODO(dmikurube): Check if this error code is appropriate.
     return base::PLATFORM_FILE_ERROR_NOT_EMPTY;
   }
   if (!file_util::Delete(path, false))
     return base::PLATFORM_FILE_ERROR_FAILED;
   return base::PLATFORM_FILE_OK;
 }
 
 }  // namespace fileapi