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

chrome/renderer/safe_browsing/phishing_url_feature_extractor.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 "chrome/renderer/safe_browsing/phishing_url_feature_extractor.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 69 matching lines @@
         return false;
       if (host_tokens.size() > 3) {
         if (!features->AddBooleanFeature(
                 features::kUrlNumOtherHostTokensGTThree))
           return false;
       }
     }
   }
 
   std::vector<std::string> long_tokens;
-  SplitStringIntoLongAlphanumTokens(url.path(), &long_tokens);
+  SplitStringIntoLongAlphanumTokens(url.path().as_string(), &long_tokens);
   for (const std::string& token : long_tokens) {
     if (!features->AddBooleanFeature(features::kUrlPathToken + token))
       return false;
   }
 
   UMA_HISTOGRAM_TIMES("SBClientPhishing.URLFeatureTime", timer.Elapsed());
   return true;
 }
 
 // static
 void PhishingUrlFeatureExtractor::SplitStringIntoLongAlphanumTokens(
     const std::string& full,
     std::vector<std::string>* tokens) {
   // Split on common non-alphanumerics.
   // TODO(bryner): Split on all(?) non-alphanumerics and handle %XX properly.
   static const char kTokenSeparators[] = ".,\\/_-|=%:!&";
   for (const base::StringPiece& token :
        base::SplitStringPiece(full, kTokenSeparators, base::KEEP_WHITESPACE,
                               base::SPLIT_WANT_NONEMPTY)) {
     // Copy over only the splits that are 3 or more chars long.
     // TODO(bryner): Determine a meaningful min size.
     if (token.length() >= kMinPathComponentLength)
       tokens->push_back(token.as_string());
   }
 }
 
 }  // namespace safe_browsing