Add more string_util functions to base namespace.

extensions/common/url_pattern.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 "extensions/common/url_pattern.h"
 
 #include <ostream>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 311 matching lines @@
       return true;
   }
 
   return false;
 }
 
 void URLPattern::SetPath(const std::string& path) {
   spec_.clear();
   path_ = path;
   path_escaped_ = path_;
-  ReplaceSubstringsAfterOffset(&path_escaped_, 0, "\\", "\\\\");
-  ReplaceSubstringsAfterOffset(&path_escaped_, 0, "?", "\\?");
+  base::ReplaceSubstringsAfterOffset(&path_escaped_, 0, "\\", "\\\\");
+  base::ReplaceSubstringsAfterOffset(&path_escaped_, 0, "?", "\\?");
 }
 
 bool URLPattern::SetPort(const std::string& port) {
   spec_.clear();
   if (IsValidPortForScheme(scheme_, port)) {
     port_ = port;
     return true;
   }
   return false;
 }
@@ skipping 261 matching lines @@
   }
 
   return result;
 }
 
 // static
 const char* URLPattern::GetParseResultString(
     URLPattern::ParseResult parse_result) {
   return kParseResultMessages[parse_result];
 }