Add login url to captive portal interstitial.

chrome/browser/captive_portal/captive_portal_service.h

 // Copyright (c) 2012 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_CAPTIVE_PORTAL_CAPTIVE_PORTAL_SERVICE_H_
 #define CHROME_BROWSER_CAPTIVE_PORTAL_CAPTIVE_PORTAL_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_member.h"
@@ skipping 24 matching lines @@
     IGNORE_REQUESTS_FOR_TESTING  // Disables actual portal checks. This also
                                  // implies SKIP_OS_CHECK_FOR_TESTING.
   };
 
   // The details sent via a NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT.
   struct Results {
     // The result of the second most recent captive portal check.
     captive_portal::CaptivePortalResult previous_result;
     // The result of the most recent captive portal check.
     captive_portal::CaptivePortalResult result;
+    // Landing url of the captive portal check ping. If behind a captive portal,
+    // this points to the login page.
+    GURL landing_url;
   };
 
   explicit CaptivePortalService(Profile* profile);
   ~CaptivePortalService() override;
 
   // Triggers a check for a captive portal.  If there's already a check in
   // progress, does nothing.  Throttles the rate at which requests are sent.
   // Always sends the result notification asynchronously.
   void DetectCaptivePortal();
 
@@ skipping 58 matching lines @@
 
   // Called by CaptivePortalDetector when detection completes.
   void OnPortalDetectionCompleted(
       const captive_portal::CaptivePortalDetector::Results& results);
 
   // KeyedService:
   void Shutdown() override;
 
   // Called when a captive portal check completes.  Passes the result to all
   // observers.
-  void OnResult(captive_portal::CaptivePortalResult result);
+  void OnResult(captive_portal::CaptivePortalResult result,
+                const GURL& landing_url);
 
   // Updates BackoffEntry::Policy and creates a new BackoffEntry, which
   // resets the count used for throttling.
   void ResetBackoffEntry(captive_portal::CaptivePortalResult result);
 
   // Updates |enabled_| based on command line flags and Profile preferences,
   // and sets |state_| to STATE_NONE if it's false.
   // TODO(mmenke): Figure out on which platforms, if any, should not use
   //               automatic captive portal detection.  Currently it's enabled
   //               on all platforms, though this code is not compiled on
@@ skipping 69 matching lines @@
 
   static TestingState testing_state_;
 
   // Test time ticks used by unit tests.
   base::TimeTicks time_ticks_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(CaptivePortalService);
 };
 
 #endif  // CHROME_BROWSER_CAPTIVE_PORTAL_CAPTIVE_PORTAL_SERVICE_H_