[WIP] make GURL::path() return a StringPiece

components/url_matcher/url_matcher.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 "components/url_matcher/url_matcher.h"
 
 #include <algorithm>
 #include <iterator>
 #include <utility>
 
@@ skipping 215 matching lines @@
   if (!base::ContainsKey(matching_patterns, string_pattern_->id()))
     return false;
   // The criteria HOST_CONTAINS, PATH_CONTAINS, QUERY_CONTAINS are based on
   // a substring match on the raw URL. In case of a match, we need to verify
   // that the match was found in the correct component of the URL.
   switch (criterion_) {
     case HOST_CONTAINS:
       return url.host().find(string_pattern_->pattern()) !=
           std::string::npos;
     case PATH_CONTAINS:
-      return url.path().find(string_pattern_->pattern()) !=
-          std::string::npos;
+      return url.path().as_string().find(string_pattern_->pattern()) !=
+             std::string::npos;
     case QUERY_CONTAINS:
       return url.query().find(string_pattern_->pattern()) !=
           std::string::npos;
     default:
       break;
   }
   return true;
 }
 
 //
@@ skipping 13 matching lines @@
 }  // namespace
 
 URLMatcherConditionFactory::URLMatcherConditionFactory() : id_counter_(0) {}
 
 URLMatcherConditionFactory::~URLMatcherConditionFactory() {
 }
 
 std::string URLMatcherConditionFactory::CanonicalizeURLForComponentSearches(
     const GURL& url) const {
   return kBeginningOfURL + CanonicalizeHostname(url.host()) + kEndOfDomain +
-         url.path() + kEndOfPath +
+         url.path().as_string() + kEndOfPath +
          (url.has_query() ? CanonicalizeQuery(url.query(), true, true)
                           : std::string()) +
          kEndOfURL;
 }
 
 URLMatcherCondition URLMatcherConditionFactory::CreateHostPrefixCondition(
     const std::string& prefix) {
   return CreateCondition(URLMatcherCondition::HOST_PREFIX,
       kBeginningOfURL + CanonicalizeHostPrefix(prefix));
 }
@@ skipping 807 matching lines @@
 
 void URLMatcher::UpdateInternalDatastructures() {
   UpdateSubstringSetMatcher(false);
   UpdateSubstringSetMatcher(true);
   UpdateRegexSetMatcher();
   UpdateTriggers();
   UpdateConditionFactory();
 }
 
 }  // namespace url_matcher