SuggestionsService: use OAuth2 authentication instead of cookies

Also add a base::Feature for this, so we can go back to cookies if anything goes wrong

TBR=rogerta@chromium.org
(for new DEPS only)

BUG=555443

Review URL: https://codereview.chromium.org/1523033002

Cr-Commit-Position: refs/heads/master@{#366476}

1 files changed, 16 insertions, 4 deletions

diff --git a/ios/chrome/browser/suggestions/suggestions_service_factory.mm b/ios/chrome/browser/suggestions/suggestions_service_factory.mm
index dfc4690..133ebfa 100644
--- a/ios/chrome/browser/suggestions/suggestions_service_factory.mm
+++ b/ios/chrome/browser/suggestions/suggestions_service_factory.mm
@@ -4,17 +4,23 @@
 
 #include "ios/chrome/browser/suggestions/suggestions_service_factory.h"
 
+#include <utility>
+
 #include "base/files/file_path.h"
 #include "base/memory/singleton.h"
 #include "base/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/leveldb_proto/proto_database_impl.h"
+#include "components/signin/core/browser/profile_oauth2_token_service.h"
+#include "components/signin/core/browser/signin_manager.h"
 #include "components/suggestions/blacklist_store.h"
 #include "components/suggestions/image_fetcher.h"
 #include "components/suggestions/image_manager.h"
 #include "components/suggestions/suggestions_service.h"
 #include "components/suggestions/suggestions_store.h"
+#include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
+#include "ios/chrome/browser/signin/signin_manager_factory.h"
 #include "ios/chrome/browser/suggestions/image_fetcher_impl.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/web/public/browser_state.h"
@@ -42,7 +48,8 @@ SuggestionsServiceFactory::SuggestionsServiceFactory()
     : BrowserStateKeyedServiceFactory(
           "SuggestionsService",
           BrowserStateDependencyManager::GetInstance()) {
-  // No dependencies.
+  DependsOn(ios::SigninManagerFactory::GetInstance());
+  DependsOn(OAuth2TokenServiceFactory::GetInstance());
 }
 
 SuggestionsServiceFactory::~SuggestionsServiceFactory() {
@@ -58,6 +65,10 @@ scoped_ptr<KeyedService> SuggestionsServiceFactory::BuildServiceInstanceFor(
 
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
+  SigninManager* signin_manager =
+      ios::SigninManagerFactory::GetForBrowserState(browser_state);
+  ProfileOAuth2TokenService* token_service =
+      OAuth2TokenServiceFactory::GetForBrowserState(browser_state);
   base::FilePath database_dir(
       browser_state->GetStatePath().Append(kThumbnailDirectory));
   scoped_ptr<SuggestionsStore> suggestions_store(
@@ -69,11 +80,12 @@ scoped_ptr<KeyedService> SuggestionsServiceFactory::BuildServiceInstanceFor(
   scoped_ptr<ImageFetcher> image_fetcher(new ImageFetcherImpl(
       browser_state->GetRequestContext(), sequenced_worker_pool));
   scoped_ptr<ImageManager> thumbnail_manager(new ImageManager(
-      image_fetcher.Pass(), db.Pass(), database_dir,
+      std::move(image_fetcher), std::move(db), database_dir,
       web::WebThread::GetTaskRunnerForThread(web::WebThread::DB)));
   return make_scoped_ptr(new SuggestionsService(
-      browser_state->GetRequestContext(), suggestions_store.Pass(),
-      thumbnail_manager.Pass(), blacklist_store.Pass()));
+      signin_manager, token_service, browser_state->GetRequestContext(),
+      std::move(suggestions_store), std::move(thumbnail_manager),
+      std::move(blacklist_store)));
 }
 
 void SuggestionsServiceFactory::RegisterBrowserStatePrefs(