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

components/history/core/browser/top_sites_cache.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 "components/history/core/browser/top_sites_cache.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 
 namespace history {
@@ skipping 75 matching lines @@
   }
   // Everything on or after |it_hi| is irrelevant.
 
   GURL base_url(url.ReplaceComponents(clear_path_query_ref_));
   CanonicalURLs::const_iterator it_lo =
       canonical_urls_.lower_bound(CanonicalURLQuery(base_url).entry());
   if (it_lo == canonical_urls_.end())
     return GURL::EmptyGURL();
   GURL compare_url_lo(GetURLFromIterator(it_lo));
   if (!HaveSameSchemeHostAndPort(base_url, compare_url_lo) ||
-      !IsPathPrefix(base_url.path(), compare_url_lo.path())) {
+      !IsPathPrefix(base_url.path().as_string(),
+                    compare_url_lo.path().as_string())) {
     return GURL::EmptyGURL();
   }
   // Everything before |it_lo| is irrelevant.
 
   // Search in [|it_lo|, |it_hi|) in reversed order. The first URL found that's
   // a prefix of |url| (ignoring "?query#ref") would be returned.
   for (CanonicalURLs::const_iterator it = it_hi; it != it_lo;) {
     --it;
     GURL compare_url(GetURLFromIterator(it));
     DCHECK(HaveSameSchemeHostAndPort(compare_url, url));
-    if (IsPathPrefix(compare_url.path(), url.path()))
+    if (IsPathPrefix(compare_url.path().as_string(), url.path().as_string()))
       return it->first.first->url;
   }
 
   return GURL::EmptyGURL();
 }
 
 bool TopSitesCache::IsKnownURL(const GURL& url) const {
   return GetCanonicalURLsIterator(url) != canonical_urls_.end();
 }
 
@@ skipping 55 matching lines @@
   return canonical_urls_.find(CanonicalURLQuery(url).entry());
 }
 
 const GURL& TopSitesCache::GetURLFromIterator(
     CanonicalURLs::const_iterator it) const {
   DCHECK(it != canonical_urls_.end());
   return it->first.first->redirects[it->first.second];
 }
 
 }  // namespace history