Disable LogChannelIDAndCookieStores NOTREACHED.

net/url_request/url_request_http_job.cc

 // 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.
 
 #include "net/url_request/url_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 122 matching lines @@
         NOTREACHED();
         ephemerality = EPHEMERAL_MISMATCH;
       }
     } else if (context->has_known_mismatched_cookie_store()) {
       ephemerality = KNOWN_MISMATCH;
     } else {
       NOTREACHED();
       ephemerality = CID_EPHEMERAL_COOKIE_PERSISTENT;
     }
   } else if (cookie_store->IsEphemeral()) {
-    NOTREACHED();
+    // TODO(crbug.com/599049): Add NOTREACHED once this case doesn't happen on
+    // iOS anymore.
     ephemerality = CID_PERSISTENT_COOKIE_EPHEMERAL;
   } else if (cookie_store->GetChannelIDServiceID() == -1) {
     ephemerality = PERSISTENT_UNKNOWN;
   } else if (cookie_store->GetChannelIDServiceID() ==
              params->channel_id_service->GetUniqueID()) {
     ephemerality = PERSISTENT_MATCH;
   } else {
     NOTREACHED();
     ephemerality = PERSISTENT_MISMATCH;
   }
@@ skipping 1503 matching lines @@
   return override_response_headers_.get() ?
              override_response_headers_.get() :
              transaction_->GetResponseInfo()->headers.get();
 }
 
 void URLRequestHttpJob::NotifyURLRequestDestroyed() {
   awaiting_callback_ = false;
 }
 
 }  // namespace net