Move file_util::Delete to the base namespace

chrome/browser/google_apis/base_requests_server_unittest.cc

 // Copyright (c) 2013 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/google_apis/base_requests.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
@@ skipping 84 matching lines @@
         ProgressCallback(),
         test_server_.GetURL("/files/chromeos/gdata/testfile.txt"),
         GetTestCachedFilePath(
             base::FilePath::FromUTF8Unsafe("cached_testfile.txt")));
     request_sender_->StartRequestWithRetry(request);
     run_loop.Run();
   }
 
   std::string contents;
   file_util::ReadFileToString(temp_file, &contents);
-  file_util::Delete(temp_file, false);
+  base::Delete(temp_file, false);
 
   EXPECT_EQ(HTTP_SUCCESS, result_code);
   EXPECT_EQ(net::test_server::METHOD_GET, http_request_.method);
   EXPECT_EQ("/files/chromeos/gdata/testfile.txt", http_request_.relative_url);
 
   const base::FilePath expected_path =
       test_util::GetTestFilePath("chromeos/gdata/testfile.txt");
   std::string expected_contents;
   file_util::ReadFileToString(expected_path, &expected_contents);
   EXPECT_EQ(expected_contents, contents);
@@ skipping 18 matching lines @@
     run_loop.Run();
   }
   EXPECT_EQ(HTTP_NOT_FOUND, result_code);
   EXPECT_EQ(net::test_server::METHOD_GET, http_request_.method);
   EXPECT_EQ("/files/chromeos/gdata/no-such-file.txt",
             http_request_.relative_url);
   // Do not verify the not found message.
 }
 
 }  // namespace google_apis