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..8a134afa8875ef45b950d1f94b402a20e60735c5 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
@@ -8,8 +8,14 @@
 #include "base/memory/singleton.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.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/web_thread.h"
+#include "net/url_request/url_request_context_getter.h"
 
 // static
 IOSChromeNTPSnippetsServiceFactory*
@@ -40,3 +46,26 @@ IOSChromeNTPSnippetsServiceFactory::BuildServiceInstanceFor(
   return make_scoped_ptr(new ntp_snippets::NTPSnippetsService(
       GetApplicationContext()->GetApplicationLocale()));
 }

[noyau (Ping after 24h), 2016/02/17 20:19:48]

You should probably remove this implementation, now that is is superseded by the
one below...

[May, 2016/02/19 14:49:02]

Saw it after I uploaded.. done.

+
+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 new ntp_snippets::NTPSnippetsService(
+      task_runner, GetApplicationContext()->GetApplicationLocale(),
+      make_scoped_ptr(new ntp_snippets::NTPSnippetsFetcher(
+          task_runner, signin_manager, token_service, request_context.get())));
+}