title: google signin issue in ios9
body: <p>I am working in project which have google signin feature in the application.
  The app works fine in all the iOS except iOS9 and above.</p>
  
  <p>below are the code i used for google signin:-</p>
  
  <pre><code>-(void)methodcallwhenclick_ongoogleSigninbutton{
        GIDSignIn *signInInstance = [GIDSignIn sharedInstance];
          signInInstance.delegate = self;
          GIDSignIn *signIn = [GIDSignIn sharedInstance];
          [signIn signOut];
          signIn.shouldFetchBasicProfile = YES;
          signIn.delegate = self;
          signIn.uiDelegate = self;
          [signIn setClientID:@"&lt;Clientkey&gt;.apps.googleusercontent.com"];
          [signIn setScopes:[NSArray arrayWithObject:@"https://www.googleapis.com/auth/plus.login"]];
          [signIn setDelegate: self];
          [signIn signIn];
  }
  </code></pre>
  
  <p>This method called when i successfully signin into the application but in ios9 this method is not getting called.The google signin view open in the webview and after i click "ALLOW" the webview get dismiss.
  I am not able to get the authcode of the google in ios9.Is there any way to call this method in ios9 and above version</p>
  
  <pre><code>- (void)signIn:(GIDSignIn *)signIn
  didSignInForUser:(GIDGoogleUser *)user
       withError:(NSError *)error
  {
  
  }
  </code></pre>