Move directory creation functions to base namespace.

net/disk_cache/backend_impl.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 "net/disk_cache/backend_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 1229 matching lines @@
 
   header.create_time = Time::Now().ToInternalValue();
 
   if (!file->Write(&header, sizeof(header), 0))
     return false;
 
   return file->SetLength(GetIndexSize(header.table_len));
 }
 
 bool BackendImpl::InitBackingStore(bool* file_created) {
-  if (!file_util::CreateDirectory(path_))
+  if (!base::CreateDirectory(path_))
     return false;
 
   base::FilePath index_name = path_.AppendASCII(kIndexName);
 
   int flags = base::PLATFORM_FILE_READ |
               base::PLATFORM_FILE_WRITE |
               base::PLATFORM_FILE_OPEN_ALWAYS |
               base::PLATFORM_FILE_EXCLUSIVE_WRITE;
   scoped_refptr<disk_cache::File> file(new disk_cache::File(
       base::CreatePlatformFile(index_name, flags, file_created, NULL)));
@@ skipping 816 matching lines @@
     if (total_memory > kMaxBuffersSize || total_memory <= 0)
       total_memory = kMaxBuffersSize;
 
     done = true;
   }
 
   return static_cast<int>(total_memory);
 }
 
 }  // namespace disk_cache