Fetch snippets from ChromeReader and show them on the NTP

chrome/browser/ntp_snippets/ntp_snippets_service_factory.cc

 // 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 "chrome/browser/ntp_snippets/ntp_snippets_service_factory.h"
 
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 #include "components/keyed_service/content/browser_context_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 "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_thread.h"
+#include "net/url_request/url_request_context_getter.h"
+
+using content::BrowserThread;
 
 // static
 NTPSnippetsServiceFactory* NTPSnippetsServiceFactory::GetInstance() {
   return base::Singleton<NTPSnippetsServiceFactory>::get();
 }
 
 // static
 ntp_snippets::NTPSnippetsService* NTPSnippetsServiceFactory::GetForProfile(
     Profile* profile) {
   DCHECK(!profile->IsOffTheRecord());
   return static_cast<ntp_snippets::NTPSnippetsService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
 
 NTPSnippetsServiceFactory::NTPSnippetsServiceFactory()
     : BrowserContextKeyedServiceFactory(
           "NTPSnippetsService",
           BrowserContextDependencyManager::GetInstance()) {}
 
 NTPSnippetsServiceFactory::~NTPSnippetsServiceFactory() {}
 
 KeyedService* NTPSnippetsServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
+  Profile* profile = Profile::FromBrowserContext(context);
+  SigninManager* signin_manager = SigninManagerFactory::GetForProfile(profile);
+  OAuth2TokenService* token_service =
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
+  scoped_refptr<net::URLRequestContextGetter> request_context =
+      context->GetRequestContext();
+
+  scoped_refptr<base::SequencedTaskRunner> task_runner =
+      BrowserThread::GetBlockingPool()
+          ->GetSequencedTaskRunnerWithShutdownBehavior(
+              base::SequencedWorkerPool::GetSequenceToken(),
+              base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
   return new ntp_snippets::NTPSnippetsService(
-      g_browser_process->GetApplicationLocale());
+      task_runner, g_browser_process->GetApplicationLocale(),
+      scoped_ptr<ntp_snippets::NTPSnippetsFetcher>(

[Marc Treib, 2016/02/11 09:23:21]

You could use make_scoped_ptr here, then the type doesn't need to be repeated.

[May, 2016/02/11 15:25:24]

TIL! Done.

+          new ntp_snippets::NTPSnippetsFetcher(task_runner, signin_manager,
+                                               token_service,
+                                               request_context.get())));
 }