Reduce buggy usage of the registry controlled domain service.

components/omnibox/browser/history_url_provider.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/omnibox/browser/history_url_provider.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 964 matching lines @@
   // Normally passing the first two conditions below ought to guarantee the
   // third condition, but because FixupUserInput() can run and modify the
   // input's text and parts between Parse() and here, it seems better to be
   // paranoid and check.
   if ((input.type() != metrics::OmniboxInputType::UNKNOWN) ||
       !base::LowerCaseEqualsASCII(input.scheme(), url::kHttpScheme) ||
       !input.parts().host.is_nonempty())
     return false;
   const std::string host(base::UTF16ToUTF8(
       input.text().substr(input.parts().host.begin, input.parts().host.len)));
-  const size_t registry_length =
-      net::registry_controlled_domains::GetRegistryLength(
+  const bool has_registry_domain =
+      net::registry_controlled_domains::HostHasRegistryControlledDomain(
           host,
           net::registry_controlled_domains::EXCLUDE_UNKNOWN_REGISTRIES,
           net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES);
-  return registry_length == 0 && db->IsTypedHost(host);
+  return !has_registry_domain && db->IsTypedHost(host);
 }
 
 bool HistoryURLProvider::PromoteOrCreateShorterSuggestion(
     history::URLDatabase* db,
     HistoryURLProviderParams* params) {
   if (params->matches.empty())
     return false;  // No matches, nothing to do.
 
   // Determine the base URL from which to search, and whether that URL could
   // itself be added as a match.  We can add the base iff it's not "effectively
@@ skipping 192 matching lines @@
     AutocompleteMatch::ClassifyLocationInString(base::string16::npos, 0,
         match.contents.length(), ACMatchClassification::URL,
         &match.contents_class);
   }
   match.description = info.title();
   match.description_class =
       ClassifyDescription(params.input.text(), match.description);
   RecordAdditionalInfoFromUrlRow(info, &match);
   return match;
 }