Prepare HistoryProvider for componentization

chrome/browser/autocomplete/chrome_autocomplete_provider_client.cc

 // Copyright 2014 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/chrome_autocomplete_provider_client.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_service.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_service_factory.h"
+#include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/history/core/browser/history_service.h"
 
 ChromeAutocompleteProviderClient::ChromeAutocompleteProviderClient(
     Profile* profile)
     : profile_(profile),
@@ skipping 22 matching lines @@
 
 bool ChromeAutocompleteProviderClient::ShowBookmarkBar() {
   return profile_->GetPrefs()->GetBoolean(bookmarks::prefs::kShowBookmarkBar);
 }
 
 const AutocompleteSchemeClassifier&
 ChromeAutocompleteProviderClient::SchemeClassifier() {
   return scheme_classifier_;
 }
 
+history::HistoryService* ChromeAutocompleteProviderClient::HistoryService() {
+  return HistoryServiceFactory::GetForProfile(
+      profile_, ServiceAccessType::EXPLICIT_ACCESS);
+}
+
+bookmarks::BookmarkModel* ChromeAutocompleteProviderClient::BookmarkModel() {
+  return BookmarkModelFactory::GetForProfile(profile_);
+}
+
 void ChromeAutocompleteProviderClient::Classify(
     const base::string16& text,
     bool prefer_keyword,
     bool allow_exact_keyword_match,
     metrics::OmniboxEventProto::PageClassification page_classification,
     AutocompleteMatch* match,
     GURL* alternate_nav_url) {
   AutocompleteClassifier* classifier =
       AutocompleteClassifierFactory::GetForProfile(profile_);
   DCHECK(classifier);
   classifier->Classify(text, prefer_keyword, allow_exact_keyword_match,
                        page_classification, match, alternate_nav_url);
 }
 
 history::URLDatabase* ChromeAutocompleteProviderClient::InMemoryDatabase() {
-  history::HistoryService* history_service =
-      HistoryServiceFactory::GetForProfile(profile_,
-                                           ServiceAccessType::EXPLICIT_ACCESS);
+  history::HistoryService* history_service = HistoryService();
+
+  // This method is called in unit test contexts where the HistoryService isn't
+  // loaded.
   return history_service ? history_service->InMemoryDatabase() : NULL;
 }
 
 void ChromeAutocompleteProviderClient::DeleteMatchingURLsForKeywordFromHistory(
     history::KeywordID keyword_id,
     const base::string16& term) {
-  HistoryServiceFactory::GetForProfile(profile_,
-                                       ServiceAccessType::EXPLICIT_ACCESS)
-      ->DeleteMatchingURLsForKeyword(keyword_id, term);
+  HistoryService()->DeleteMatchingURLsForKeyword(keyword_id, term);
 }
 
 bool ChromeAutocompleteProviderClient::TabSyncEnabledAndUnencrypted() {
   // Check field trials and settings allow sending the URL on suggest requests.
   ProfileSyncService* service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile_);
   sync_driver::SyncPrefs sync_prefs(profile_->GetPrefs());
   return service &&
       service->IsSyncEnabledAndLoggedIn() &&
       sync_prefs.GetPreferredDataTypes(syncer::UserTypes()).Has(
           syncer::PROXY_TABS) &&
       !service->GetEncryptedDataTypes().Has(syncer::SESSIONS);
 }
 
 void ChromeAutocompleteProviderClient::PrefetchImage(const GURL& url) {
   BitmapFetcherService* image_service =
       BitmapFetcherServiceFactory::GetForBrowserContext(profile_);
   DCHECK(image_service);
   image_service->Prefetch(url);
 }