Create IOSChromeContentSuggestionsServiceFactory

ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc

Index: ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
diff --git a/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..570aa9b0338b95fce540bc8ed8182876a0a248b1
--- /dev/null
+++ b/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
@@ -0,0 +1,43 @@
+// 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_snippets/ios_chrome_content_suggestions_service_factory.h"
+
+#include "base/memory/ptr_util.h"
+#include "base/memory/singleton.h"
+#include "components/keyed_service/ios/browser_state_dependency_manager.h"
+#include "components/ntp_snippets/content_suggestions_service.h"
+#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
+#include "ios/web/public/browser_state.h"
+
+// static
+IOSChromeContentSuggestionsServiceFactory*
+IOSChromeContentSuggestionsServiceFactory::GetInstance() {
+  return base::Singleton<IOSChromeContentSuggestionsServiceFactory>::get();
+}
+
+// static
+ntp_snippets::ContentSuggestionsService*
+IOSChromeContentSuggestionsServiceFactory::GetForBrowserState(
+    ios::ChromeBrowserState* browser_state) {
+  DCHECK(!browser_state->IsOffTheRecord());
+  return static_cast<ntp_snippets::ContentSuggestionsService*>(
+      GetInstance()->GetServiceForBrowserState(browser_state, true));
+}
+
+IOSChromeContentSuggestionsServiceFactory::
+    IOSChromeContentSuggestionsServiceFactory()
+    : BrowserStateKeyedServiceFactory(
+          "ContentSuggestionsService",
+          BrowserStateDependencyManager::GetInstance()) {}
+
+IOSChromeContentSuggestionsServiceFactory::
+    ~IOSChromeContentSuggestionsServiceFactory() {}
+
+std::unique_ptr<KeyedService>
+IOSChromeContentSuggestionsServiceFactory::BuildServiceInstanceFor(
+    web::BrowserState* browser_state) const {
+  return base::WrapUnique(new ntp_snippets::ContentSuggestionsService(
+      ntp_snippets::ContentSuggestionsService::State::DISABLED));
+}