Add more string_util functions to base namespace.

storage/browser/fileapi/file_system_url.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 "storage/browser/fileapi/file_system_url.h"
 
 #include <sstream>
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
@@ skipping 93 matching lines @@
   std::string url = GetFileSystemRootURI(origin_, mount_type_).spec();
   if (url.empty())
     return GURL();
 
   // Exactly match with DOMFileSystemBase::createFileSystemURL()'s encoding
   // behavior, where the path is escaped by KURL::encodeWithURLEscapeSequences
   // which is essentially encodeURIComponent except '/'.
   std::string escaped = net::EscapeQueryParamValue(
       virtual_path_.NormalizePathSeparatorsTo('/').AsUTF8Unsafe(),
       false /* use_plus */);
-  ReplaceSubstringsAfterOffset(&escaped, 0, "%2F", "/");
+  base::ReplaceSubstringsAfterOffset(&escaped, 0, "%2F", "/");
   url.append(escaped);
 
   // Build nested GURL.
   return GURL(url);
 }
 
 std::string FileSystemURL::DebugString() const {
   if (!is_valid_)
     return "invalid filesystem: URL";
   std::ostringstream ss;
@@ skipping 37 matching lines @@
   if (lhs.origin_ != rhs.origin_)
     return lhs.origin_ < rhs.origin_;
   if (lhs.type_ != rhs.type_)
     return lhs.type_ < rhs.type_;
   if (lhs.filesystem_id_ != rhs.filesystem_id_)
     return lhs.filesystem_id_ < rhs.filesystem_id_;
   return lhs.path_ < rhs.path_;
 }
 
 }  // namespace storage