Move MatchPattern to its own header and the base namespace.

net/base/host_mapping_rules.cc

 // Copyright (c) 2010 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 "net/base/host_mapping_rules.h"
 
 #include "base/logging.h"
+#include "base/strings/pattern.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_util.h"
 
 namespace net {
 
 struct HostMappingRules::MapRule {
   MapRule() : replacement_port(-1) {}
 
   std::string hostname_pattern;
   std::string replacement_hostname;
   int replacement_port;
 };
 
 struct HostMappingRules::ExclusionRule {
   std::string hostname_pattern;
 };
 
 HostMappingRules::HostMappingRules() {}
 
 HostMappingRules::~HostMappingRules() {}
 
 bool HostMappingRules::RewriteHost(HostPortPair* host_port) const {
   // Check if the hostname was excluded.
   for (ExclusionRuleList::const_iterator it = exclusion_rules_.begin();
        it != exclusion_rules_.end(); ++it) {
     const ExclusionRule& rule = *it;
-    if (MatchPattern(host_port->host(), rule.hostname_pattern))
+    if (base::MatchPattern(host_port->host(), rule.hostname_pattern))
       return false;
   }
 
   // Check if the hostname was remapped.
   for (MapRuleList::const_iterator it = map_rules_.begin();
        it != map_rules_.end(); ++it) {
     const MapRule& rule = *it;
 
     // The rule's hostname_pattern will be something like:
     //     www.foo.com
     //     *.foo.com
     //     www.foo.com:1234
     //     *.foo.com:1234
     // First, we'll check for a match just on hostname.
     // If that fails, we'll check for a match with both hostname and port.
-    if (!MatchPattern(host_port->host(), rule.hostname_pattern)) {
+    if (!base::MatchPattern(host_port->host(), rule.hostname_pattern)) {
       std::string host_port_string = host_port->ToString();
-      if (!MatchPattern(host_port_string, rule.hostname_pattern))
+      if (!base::MatchPattern(host_port_string, rule.hostname_pattern))
         continue;  // This rule doesn't apply.
     }
 
     host_port->set_host(rule.replacement_hostname);
     if (rule.replacement_port != -1)
       host_port->set_port(static_cast<uint16_t>(rule.replacement_port));
     return true;
   }
 
   return false;
@@ skipping 35 matching lines @@
   map_rules_.clear();
 
   base::StringTokenizer rules(rules_string, ",");
   while (rules.GetNext()) {
     bool ok = AddRuleFromString(rules.token());
     LOG_IF(ERROR, !ok) << "Failed parsing rule: " << rules.token();
   }
 }
 
 }  // namespace net