Make file_util::CreateDirectory return an error, not just a bool

base/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 "base/file_util.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #endif
 #include <stdio.h>
@@ skipping 167 matching lines @@
 }
 
 FILE* CreateAndOpenTemporaryFile(FilePath* path) {
   FilePath directory;
   if (!GetTempDir(&directory))
     return NULL;
 
   return CreateAndOpenTemporaryFileInDir(directory, path);
 }
 
+bool CreateDirectory(const base::FilePath& full_path) {
+  return CreateDirectoryAndGetError(full_path, NULL);
+}
+
 bool GetFileSize(const FilePath& file_path, int64* file_size) {
   base::PlatformFileInfo info;
   if (!GetFileInfo(file_path, &info))
     return false;
   *file_size = info.size;
   return true;
 }
 
 bool TouchFile(const FilePath& path,
                const base::Time& last_accessed,
@@ skipping 70 matching lines @@
 
 int64 ComputeDirectorySize(const FilePath& root_path) {
   int64 running_size = 0;
   FileEnumerator file_iter(root_path, true, FileEnumerator::FILES);
   while (!file_iter.Next().empty())
     running_size += file_iter.GetInfo().GetSize();
   return running_size;
 }
 
 }  // namespace