arc: Enable silent PlayStore Sign-In.

chrome/browser/chromeos/arc/arc_auth_context.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_CONTEXT_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_CONTEXT_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "google_apis/gaia/ubertoken_fetcher.h"
 
 class Profile;
 class ProfileOAuth2TokenService;
 
 namespace content {
 class StoragePartition;
 }
 
+namespace net {
+class URLRequestContextGetter;
+}
+
 namespace arc {
 
 class ArcAuthContextDelegate;
 
 class ArcAuthContext : public UbertokenConsumer,
                        public GaiaAuthConsumer,
                        public OAuth2TokenService::Observer {
  public:
   ArcAuthContext(ArcAuthContextDelegate* delegate, Profile* profile);
   ~ArcAuthContext() override;
 
   void PrepareContext();
 
+  // Returns the URL request context information associated with this context.
+  net::URLRequestContextGetter* GetURLRequestContext();
+
   // OAuth2TokenService::Observer:
   void OnRefreshTokenAvailable(const std::string& account_id) override;
   void OnRefreshTokensLoaded() override;
 
   // UbertokenConsumer:
   void OnUbertokenSuccess(const std::string& token) override;
   void OnUbertokenFailure(const GoogleServiceAuthError& error) override;
 
   // GaiaAuthConsumer:
   void OnMergeSessionSuccess(const std::string& data) override;
   void OnMergeSessionFailure(const GoogleServiceAuthError& error) override;
 
   const std::string& account_id() const { return account_id_; }
 
   ProfileOAuth2TokenService* token_service() { return token_service_; }
 
  private:
   void StartFetchers();
+  void ResetFetchers();
   void OnRefreshTokenTimeout();
 
   // Unowned pointers.
   ArcAuthContextDelegate* const delegate_;
   ProfileOAuth2TokenService* token_service_;
 
   bool context_prepared_ = false;
 
   // Owned by content::BrowserContent. Used to isolate cookies for auth server
   // communication and shared with Arc OptIn UI platform app.
   content::StoragePartition* storage_partition_ = nullptr;
 
   std::string account_id_;
   std::unique_ptr<GaiaAuthFetcher> merger_fetcher_;
   std::unique_ptr<UbertokenFetcher> ubertoken_fetcher_;
   base::OneShotTimer refresh_token_timeout_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAuthContext);
 };
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_CONTEXT_H_