Move more string_util functions to base namespace.

content/browser/fileapi/file_system_dir_url_request_job_unittest.cc

 // Copyright 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 "storage/browser/fileapi/file_system_dir_url_request_job.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 247 matching lines @@
     UErrorCode status = U_ZERO_ERROR;
     icu::RegexMatcher match(pattern, input, 0, status);
 
     EXPECT_TRUE(match.find());
     EXPECT_EQ(5, match.groupCount());
     EXPECT_EQ(icu::UnicodeString(name.c_str()), match.group(1, status));
     EXPECT_EQ(icu::UnicodeString(url.c_str()), match.group(2, status));
     EXPECT_EQ(icu::UnicodeString(is_directory ? "1" : "0"),
               match.group(3, status));
     if (size >= 0) {
-      icu::UnicodeString size_string(FormatBytesUnlocalized(size).c_str());
+      icu::UnicodeString size_string(
+          base::FormatBytesUnlocalized(size).c_str());
       EXPECT_EQ(size_string, match.group(4, status));
     }
 
     base::Time date;
     icu::UnicodeString date_ustr(match.group(5, status));
     std::string date_str;
     base::UTF16ToUTF8(date_ustr.getBuffer(), date_ustr.length(), &date_str);
     EXPECT_TRUE(base::Time::FromString(date_str.c_str(), &date));
     EXPECT_FALSE(date.is_null());
   }
@@ skipping 167 matching lines @@
   ASSERT_FALSE(request_->status().is_success());
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, request_->status().error());
 
   ASSERT_FALSE(
       storage::ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
           kValidExternalMountPoint));
 }
 
 }  // namespace
 }  // namespace content