Export a private webstore API to call into the new inline sign-in flow.

chrome/browser/invalidation/profile_invalidation_auth_provider.h

 // Copyright 2014 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_INVALIDATION_PROFILE_INVALIDATION_AUTH_PROVIDER_H_
 #define CHROME_BROWSER_INVALIDATION_PROFILE_INVALIDATION_AUTH_PROVIDER_H_
 
 #include "base/macros.h"
 #include "chrome/browser/invalidation/invalidation_auth_provider.h"
 #include "chrome/browser/signin/signin_manager_base.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 
 class LoginUIService;
 class ProfileOAuth2TokenService;
 
 namespace invalidation {
 
 // An authentication provider implementation that's backed by
 // ProfileOAuth2TokenService and SigninManager.
 class ProfileInvalidationAuthProvider : public InvalidationAuthProvider,
-                                        public SigninManagerBase::Observer {
+                                        public SigninManagerBase::Observer,
+                                        public SigninManagerFactory::Observer {
  public:
   ProfileInvalidationAuthProvider(SigninManagerBase* signin_manager,
                                   ProfileOAuth2TokenService* token_service,
                                   LoginUIService* login_ui_service);
   virtual ~ProfileInvalidationAuthProvider();
 
   // InvalidationAuthProvider:
   virtual std::string GetAccountId() OVERRIDE;
   virtual OAuth2TokenService* GetTokenService() OVERRIDE;
   virtual bool ShowLoginUI() OVERRIDE;
 
   // SigninManagerBase::Observer:
   virtual void GoogleSignedOut(const std::string& username) OVERRIDE;
 
+  // SigninManagerFactory::Observer:
+  virtual void SigninManagerShutdown(SigninManagerBase* manager) OVERRIDE;
+
  private:
-  SigninManagerBase* const signin_manager_;
+  SigninManagerBase* signin_manager_;
   ProfileOAuth2TokenService* const token_service_;
   LoginUIService* const login_ui_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileInvalidationAuthProvider);
 };
 
 }  // namespace invalidation
 
 #endif  // CHROME_BROWSER_INVALIDATION_PROFILE_INVALIDATION_AUTH_PROVIDER_H_