SuggestionsService: implement SyncServiceObserver

chrome/browser/search/suggestions/suggestions_service_factory.cc

Index: chrome/browser/search/suggestions/suggestions_service_factory.cc
diff --git a/chrome/browser/search/suggestions/suggestions_service_factory.cc b/chrome/browser/search/suggestions/suggestions_service_factory.cc
index 5ca5f909edd8972aa713b634ff475cf52336377c..4edfcfa4b84c0caa313cad8a6baaddd7de965ad7 100644
--- a/chrome/browser/search/suggestions/suggestions_service_factory.cc
+++ b/chrome/browser/search/suggestions/suggestions_service_factory.cc
@@ -12,6 +12,8 @@
 #include "chrome/browser/search/suggestions/image_fetcher_impl.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
+#include "chrome/browser/sync/profile_sync_service_factory.h"
+#include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/leveldb_proto/proto_database.h"
 #include "components/leveldb_proto/proto_database_impl.h"
@@ -49,42 +51,45 @@ SuggestionsServiceFactory::SuggestionsServiceFactory()
           BrowserContextDependencyManager::GetInstance()) {
   DependsOn(SigninManagerFactory::GetInstance());
   DependsOn(ProfileOAuth2TokenServiceFactory::GetInstance());
+  DependsOn(ProfileSyncServiceFactory::GetInstance());
 }
 
 SuggestionsServiceFactory::~SuggestionsServiceFactory() {}
 
 KeyedService* SuggestionsServiceFactory::BuildServiceInstanceFor(
-    content::BrowserContext* profile) const {
+    content::BrowserContext* context) const {
   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
       BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
           base::SequencedWorkerPool::GetSequenceToken());
 
-  Profile* the_profile = static_cast<Profile*>(profile);
+  Profile* profile = static_cast<Profile*>(context);
 
   SigninManagerBase* signin_manager =
-      SigninManagerFactory::GetForProfile(the_profile);
+      SigninManagerFactory::GetForProfile(profile);
   ProfileOAuth2TokenService* token_service =
-      ProfileOAuth2TokenServiceFactory::GetForProfile(the_profile);
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
+  ProfileSyncService* sync_service =
+      ProfileSyncServiceFactory::GetForProfile(profile);
 
   scoped_ptr<SuggestionsStore> suggestions_store(
-      new SuggestionsStore(the_profile->GetPrefs()));
+      new SuggestionsStore(profile->GetPrefs()));
   scoped_ptr<BlacklistStore> blacklist_store(
-      new BlacklistStore(the_profile->GetPrefs()));
+      new BlacklistStore(profile->GetPrefs()));
 
   scoped_ptr<leveldb_proto::ProtoDatabaseImpl<ImageData> > db(
       new leveldb_proto::ProtoDatabaseImpl<ImageData>(background_task_runner));
 
   base::FilePath database_dir(
-      the_profile->GetPath().Append(FILE_PATH_LITERAL("Thumbnails")));
+      profile->GetPath().Append(FILE_PATH_LITERAL("Thumbnails")));
 
   scoped_ptr<ImageFetcherImpl> image_fetcher(
-      new ImageFetcherImpl(the_profile->GetRequestContext()));
+      new ImageFetcherImpl(profile->GetRequestContext()));
   scoped_ptr<ImageManager> thumbnail_manager(
       new ImageManager(
           std::move(image_fetcher), std::move(db), database_dir,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB)));
   return new SuggestionsService(
-      signin_manager, token_service, the_profile->GetRequestContext(),
+      signin_manager, token_service, sync_service, profile->GetRequestContext(),
       std::move(suggestions_store), std::move(thumbnail_manager),
       std::move(blacklist_store));
 }