Update Google+ integration.

[UPDATED]   Google+ SDK to 1.1.0.

External/google-plus-ios-sdk/SampleCode/GooglePlusSampleSignInViewController.h

@@ -1,5 +1,5 @@
 //
-//  GooglePlusSignInViewController.h
+//  GooglePlusSampleSignInViewController.h
 //
 //  Copyright 2012 Google Inc.
 //
@@ -17,24 +17,39 @@
 //
 
 #import <UIKit/UIKit.h>
-#import "GooglePlusSignIn.h"
+#import "GPPSignIn.h"
 
-@class GooglePlusSignInButton;
+@class GPPSignInButton;
 
 // A view controller for the Google+ sign-in button which initiates a standard
 // OAuth 2.0 flow and provides an access token and a refresh token. A "Sign out"
 // button is provided to allow users to sign out of this application.
 @interface GooglePlusSampleSignInViewController : UIViewController<
-    GooglePlusSignInDelegate>
+    GPPSignInDelegate>
 
 // The button that handles Google+ sign-in.
-@property (retain, nonatomic) IBOutlet GooglePlusSignInButton *signInButton;
+@property (retain, nonatomic) IBOutlet GPPSignInButton *signInButton;
 // A label to display the result of the sign-in action.
 @property (retain, nonatomic) IBOutlet UILabel *signInAuthStatus;
+// A label to display the signed-in user's display name.
+@property (retain, nonatomic) IBOutlet UILabel *signInDisplayName;
 // A button to sign out of this application.
 @property (retain, nonatomic) IBOutlet UIButton *signOutButton;
+// A switch for whether to request for Google+ History's
+// https://www.googleapis.com/auth/plus.moments.write scope.
+@property (retain, nonatomic) IBOutlet UISwitch *plusMomentsWriteScope;
+// A switch for whether to request
+// https://www.googleapis.com/auth/userinfo.email scope to get user's email
+// address after the sign-in action.
+@property (retain, nonatomic) IBOutlet UISwitch *userinfoEmailScope;
 
 // Called when the user presses the "Sign out" button.
 - (IBAction)signOut:(id)sender;
+// Called when the user toggles Google+ History's
+// https://www.googleapis.com/auth/plus.moments.write scope.
+- (IBAction)plusMomentsWriteScopeToggle:(id)sender;
+// Called when the user toggles the
+// https://www.googleapis.com/auth/userinfo.email scope.
+- (IBAction)userinfoEmailScopeToggle:(id)sender;
 
 @end