After signin token check failed, show force reauth dialog and start window closing countdown.

chrome/browser/signin/force_signin_verifier.h

Index: chrome/browser/signin/force_signin_verifier.h
diff --git a/chrome/browser/signin/force_signin_verifier.h b/chrome/browser/signin/force_signin_verifier.h
index 03548c03eba884fdc7343e9671601586617852a0..5106beef625ce7f41ed14b794d24458754cc582e 100644
--- a/chrome/browser/signin/force_signin_verifier.h
+++ b/chrome/browser/signin/force_signin_verifier.h
@@ -15,6 +15,7 @@
 #include "net/base/backoff_entry.h"
 #include "net/base/network_change_notifier.h"
 
+class ForcedReauthenticationDialog;
 class Profile;
 class SigninManager;
 
@@ -28,14 +29,14 @@ class ForceSigninVerifier
   explicit ForceSigninVerifier(Profile* profile);
   ~ForceSigninVerifier() override;
 
-  // OAuth2TokenService::Consumer implementation
+  // override OAuth2TokenService::Consumer
   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
                          const std::string& access_token,
                          const base::Time& expiration_time) override;
   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                          const GoogleServiceAuthError& error) override;
 
-  // net::NetworkChangeNotifier::NetworkChangeObserver
+  // override net::NetworkChangeNotifier::NetworkChangeObserver
   void OnNetworkChanged(
       net::NetworkChangeNotifier::ConnectionType type) override;
 
@@ -45,6 +46,9 @@ class ForceSigninVerifier
   // Return the value of |has_token_verified_|.
   bool HasTokenBeenVerified();
 
+  // Abort signout countdown.
+  void AbortSignoutCountdownIfExisted();
+
  protected:
   // Send the token verification request. The request will be sent only if
   //   - The token has never been verified before.
@@ -60,13 +64,25 @@ class ForceSigninVerifier
   // browser window.
   virtual void ShowDialog();
 
+  // Start the window closing countdown, return the duration.
+  base::TimeDelta StartCountdown();
+
   OAuth2TokenService::Request* GetRequestForTesting();
   net::BackoffEntry* GetBackoffEntryForTesting();
   base::OneShotTimer* GetOneShotTimerForTesting();
+  base::OneShotTimer* GetWindowCloseTimerForTesting();
 
  private:
+  void CloseAllBrowserWindows();
+
   std::unique_ptr<OAuth2TokenService::Request> access_token_request_;
 
+#if !defined(OS_MACOSX)
+  Profile* profile_;
+
+  std::unique_ptr<ForcedReauthenticationDialog> dialog_;
+#endif
+
   // Indicates whether the verification is finished successfully or with a
   // persistent error.
   bool has_token_verified_;
@@ -78,6 +94,9 @@ class ForceSigninVerifier
 
   base::Time token_request_time_;
 
+  // The countdown of window closing.
+  base::OneShotTimer window_close_timer_;
+
   DISALLOW_COPY_AND_ASSIGN(ForceSigninVerifier);
 };