Creating the NTP snippet service.

ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.cc

Index: ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.cc
diff --git a/ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.cc b/ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..aef851a9aa4d44d2b1faa47417c4821a8c07b6e0
--- /dev/null
+++ b/ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.cc
@@ -0,0 +1,48 @@
+// Copyright 2015 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 "ios/chrome/browser/ntp_suggestions/ios_chrome_ntp_suggestions_service_factory.h"
+
+#include "base/logging.h"
+#include "base/memory/singleton.h"
+#include "components/keyed_service/ios/browser_state_dependency_manager.h"
+#include "components/ntp_suggestions/ntp_suggestions_service.h"
+#include "ios/chrome/browser/application_context.h"
+#include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
+#include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+
+// static
+IOSChromeNTPSuggestionsServiceFactory*
+IOSChromeNTPSuggestionsServiceFactory::GetInstance() {
+  return base::Singleton<IOSChromeNTPSuggestionsServiceFactory>::get();
+}
+
+// static
+ntp_suggestions::NTPSuggestionsService*
+IOSChromeNTPSuggestionsServiceFactory::GetForBrowserState(
+    ios::ChromeBrowserState* browser_state) {
+  return static_cast<ntp_suggestions::NTPSuggestionsService*>(

[sdefresne, 2015/11/17 13:57:29]

Implementation is different from the one in //chrome/browser/ntp_suggestions? Is
this intentional (here off-the-record context is supported, but it is not
supported in //chrome). If this is intentional, please document.

[noyau (Ping after 24h), 2015/11/17 17:00:34]

Made consistent with a DCHECK and removal of GetBrowserStatetoUse.

+      GetInstance()->GetServiceForBrowserState(browser_state, true));
+}
+
+IOSChromeNTPSuggestionsServiceFactory::IOSChromeNTPSuggestionsServiceFactory()
+    : BrowserStateKeyedServiceFactory(
+          "NTPSuggestionsService",
+          BrowserStateDependencyManager::GetInstance()) {}
+
+IOSChromeNTPSuggestionsServiceFactory::
+    ~IOSChromeNTPSuggestionsServiceFactory() {}
+
+scoped_ptr<KeyedService>
+IOSChromeNTPSuggestionsServiceFactory::BuildServiceInstanceFor(
+    web::BrowserState* browser_state) const {
+  DCHECK(!browser_state->IsOffTheRecord());
+  return make_scoped_ptr(new ntp_suggestions::NTPSuggestionsService(
+      GetApplicationContext()->GetApplicationLocale()));
+}
+
+web::BrowserState* IOSChromeNTPSuggestionsServiceFactory::GetBrowserStateToUse(
+    web::BrowserState* context) const {
+  return GetBrowserStateRedirectedInIncognito(context);
+}