Move file_util::Delete to the base namespace

chrome/browser/chromeos/drive/file_cache_metadata.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/chromeos/drive/file_cache_metadata.h"
 
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/metrics/histogram.h"
@@ skipping 92 matching lines @@
   leveldb::Status db_status = leveldb::DB::Open(options, db_path.AsUTF8Unsafe(),
                                                 &level_db);
 
   // Delete the db and scan the physical cache. This will fix a corrupt db, but
   // perhaps not other causes of failed DB::Open.
   DBOpenStatus uma_status = DB_OPEN_SUCCESS;
   if (!db_status.ok()) {
     LOG(WARNING) << "Cache db failed to open: " << db_status.ToString();
     uma_status = db_status.IsCorruption() ?
         DB_OPEN_FAILURE_CORRUPTION : DB_OPEN_FAILURE_OTHER;
-    const bool deleted = file_util::Delete(db_path, true);
+    const bool deleted = base::Delete(db_path, true);
     DCHECK(deleted);
     db_status = leveldb::DB::Open(options, db_path.value(), &level_db);
     if (!db_status.ok()) {
       LOG(WARNING) << "Still failed to open: " << db_status.ToString();
       UMA_HISTOGRAM_ENUMERATION("Drive.CacheDBOpenStatus",
                                 DB_OPEN_FAILURE_UNRECOVERABLE,
                                 DB_OPEN_MAX_VALUE);
       return INITIALIZE_FAILED;
     }
 
@@ skipping 57 matching lines @@
   return make_scoped_ptr(new Iterator(iter.Pass()));
 }
 
 void FileCacheMetadata::AssertOnSequencedWorkerPool() {
   DCHECK(!blocking_task_runner_.get() ||
          blocking_task_runner_->RunsTasksOnCurrentThread());
 }
 
 }  // namespace internal
 }  // namespace drive