Add custom interstitial for captive portals.

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 12 matching lines @@
 // a CaptivePortalService::Results as the details.
 //
 // Captive portal checks are rate-limited.  The CaptivePortalService may only
 // be accessed on the UI thread.
 // Design doc: https://docs.google.com/document/d/1k-gP2sswzYNvryu9NcgN7q5XrsMlUdlUdoW9WRaEmfM/edit
 class CaptivePortalService : public KeyedService, public base::NonThreadSafe {
  public:
   enum TestingState {
     NOT_TESTING,
     DISABLED_FOR_TESTING,  // The service is always disabled.
-    SKIP_OS_CHECK_FOR_TESTING  // The service can be enabled even if the OS has
+    SKIP_OS_CHECK_FOR_TESTING, // The service can be enabled even if the OS has
                                // native captive portal detection.
+    IGNORE_REQUESTS_FOR_TESTING  // Disables actual portal checks.
   };
 
   // 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;
   };
 
@@ skipping 156 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_