Allow ChromeIdentityService in ChromeBrowserProvider to be overriden.

ios/public/provider/chrome/browser/signin/chrome_identity_service.h

 // Copyright 2015 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 IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_SERVICE_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 
 @class ChromeIdentity;
 @protocol ChromeIdentityBrowserOpener;
 @class ChromeIdentityInteractionManager;
 @protocol ChromeIdentityInteractionManagerDelegate;
 @class NSArray;
 @class NSDate;
+@class NSDictionary;
 @class NSError;
 @class NSString;
+@class NSURL;
+@class UIApplication;
 @class UIImage;
 @class UINavigationController;
 
 namespace ios {
 
 class ChromeBrowserState;
+class ChromeIdentityService;
 
 // Callback passed to method |GetAccessTokenForScopes()| that returns the
 // information of the obtained access token to the caller.
 typedef void (^AccessTokenCallback)(NSString* token,
                                     NSDate* expiration,
                                     NSError* error);
 
 // Callback passed to method |ForgetIdentity()|. |error| is nil if the operation
 // completed with success.
 typedef void (^ForgetIdentityCallback)(NSError* error);
@@ skipping 39 matching lines @@
     // Called when the ChromeIdentityService will be destroyed.
     virtual void OnChromeIdentityServiceWillBeDestroyed() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Observer);
   };
 
   ChromeIdentityService();
   virtual ~ChromeIdentityService();
 
+  // Handles open URL authentication callback. Returns whether the URL was
+  // actually handled. This should be called within
+  // UIApplicationDelegate application:openURL:options:.
+  virtual bool HandleApplicationOpenURL(UIApplication* application,
+                                        NSURL* url,
+                                        NSDictionary* options);
+
+  // Dismisses all the dialogs created by the abstracted flows.
+  virtual void DismissDialogs();
+
   // Returns a new account details controller to present. A cancel button is
   // present as leading navigation item.
   virtual base::scoped_nsobject<UINavigationController> NewAccountDetails(
       ChromeIdentity* identity,
       id<ChromeIdentityBrowserOpener> browser_opener);
 
   // Returns a new Web and App Setting Details controller to present.
   virtual base::scoped_nsobject<UINavigationController>
   NewWebAndAppSettingDetails(ChromeIdentity* identity,
                              id<ChromeIdentityBrowserOpener> browser_opener);
@@ skipping 106 matching lines @@
 
  private:
   base::ObserverList<Observer, true> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeIdentityService);
 };
 
 }  // namespace ios
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_SERVICE_H_