autocomplete: Add AutocompleteProvider::Type enum.

chrome/browser/autocomplete/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 "chrome/browser/autocomplete/history_url_provider.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 211 matching lines @@
       failed(false),
       languages(languages),
       dont_suggest_exact_input(false) {
 }
 
 HistoryURLProviderParams::~HistoryURLProviderParams() {
 }
 
 HistoryURLProvider::HistoryURLProvider(AutocompleteProviderListener* listener,
                                        Profile* profile)
-    : HistoryProvider(listener, profile, "HistoryURL"),
+    : HistoryProvider(listener, profile,
+          AutocompleteProvider::TYPE_HISTORY_URL),
       params_(NULL) {
 }
 
 // static
 AutocompleteMatch HistoryURLProvider::SuggestExactInput(
     AutocompleteProvider* provider,
     const AutocompleteInput& input,
     bool trim_http) {
   AutocompleteMatch match(provider, 0, false,
                           AutocompleteMatch::URL_WHAT_YOU_TYPED);
@@ skipping 681 matching lines @@
                                            info.title(),
                                            ACMatchClassification::NONE,
                                            &match.description_class);
 
   match.RecordAdditionalInfo("typed count", info.typed_count());
   match.RecordAdditionalInfo("visit count", info.visit_count());
   match.RecordAdditionalInfo("last visit", info.last_visit());
 
   return match;
 }