Move directory creation functions to base namespace.

chrome/browser/download/download_browsertest.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 <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 2876 matching lines @@
     L"jiho!@#$tiho$%^&-()_+=miho copy.zip",  // special chars
     L"Wohoo-to hoo+I.zip",
     L"Picture 1.zip",
     L"This is a very very long english sentence with spaces and , and +.zip",
   };
 
   std::vector<DownloadItem*> download_items;
   static const int kFlags = (base::PLATFORM_FILE_CREATE |
                base::PLATFORM_FILE_WRITE);
   base::FilePath origin(FILE_PATH_LITERAL("origin"));
-  ASSERT_TRUE(file_util::CreateDirectory(DestinationFile(browser(), origin)));
+  ASSERT_TRUE(base::CreateDirectory(DestinationFile(browser(), origin)));
 
   for (size_t index = 0; index < arraysize(kCrazyFilenames); ++index) {
     string16 crazy16;
     std::string crazy8;
     const wchar_t* crazy_w = kCrazyFilenames[index];
     ASSERT_TRUE(WideToUTF8(crazy_w, wcslen(crazy_w), &crazy8));
     ASSERT_TRUE(WideToUTF16(crazy_w, wcslen(crazy_w), &crazy16));
     base::FilePath file_path(DestinationFile(browser(), origin.Append(
 #if defined(OS_WIN)
             crazy16
@@ skipping 342 matching lines @@
 
   // No errors this time. The download should complete successfully.
   EXPECT_FALSE(completion_observer->IsFinished());
   completion_observer->StartObserving();
   download->Resume();
   completion_observer->WaitForFinished();
   EXPECT_EQ(DownloadItem::COMPLETE, download->GetState());
 
   EXPECT_FALSE(DidShowFileChooser());
 }