Fetch snippets from ChromeReader and show them on the NTP

ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc

Index: ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc
diff --git a/ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc b/ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc
index 4fa922ed35899f24b898302fd7e520d70d8b54f1..0602d85c4d94e7ee3d2fdae22a19682ddb71fca4 100644
--- a/ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc
+++ b/ios/chrome/browser/ntp_snippets/ios_chrome_ntp_snippets_service_factory.cc
@@ -7,9 +7,17 @@
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
+#include "components/ntp_snippets/ntp_snippets_fetcher.h"
 #include "components/ntp_snippets/ntp_snippets_service.h"
+#include "components/signin/core/browser/profile_oauth2_token_service.h"
+#include "google_apis/gaia/oauth2_token_service.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
+#include "ios/chrome/browser/signin/signin_manager_factory.h"
+#include "ios/web/public/browser_state.h"
+#include "ios/web/public/web_thread.h"
+#include "net/url_request/url_request_context_getter.h"
 
 // static
 IOSChromeNTPSnippetsServiceFactory*
@@ -36,7 +44,24 @@ IOSChromeNTPSnippetsServiceFactory::~IOSChromeNTPSnippetsServiceFactory() {}
 scoped_ptr<KeyedService>
 IOSChromeNTPSnippetsServiceFactory::BuildServiceInstanceFor(
     web::BrowserState* browser_state) const {
+  ios::ChromeBrowserState* chrome_browser_state =
+      ios::ChromeBrowserState::FromBrowserState(browser_state);
   DCHECK(!browser_state->IsOffTheRecord());
+  SigninManager* signin_manager =
+      ios::SigninManagerFactory::GetForBrowserState(chrome_browser_state);
+  OAuth2TokenService* token_service =
+      OAuth2TokenServiceFactory::GetForBrowserState(chrome_browser_state);
+  scoped_refptr<net::URLRequestContextGetter> request_context =
+      browser_state->GetRequestContext();
+
+  scoped_refptr<base::SequencedTaskRunner> task_runner =
+      web::WebThread::GetBlockingPool()
+          ->GetSequencedTaskRunnerWithShutdownBehavior(
+              base::SequencedWorkerPool::GetSequenceToken(),
+              base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
   return make_scoped_ptr(new ntp_snippets::NTPSnippetsService(
-      GetApplicationContext()->GetApplicationLocale()));
+      task_runner, GetApplicationContext()->GetApplicationLocale(),
+      make_scoped_ptr(new ntp_snippets::NTPSnippetsFetcher(
+          task_runner, (SigninManagerBase*)signin_manager, token_service,
+          request_context, browser_state->GetStatePath()))));
 }