Added CrOS-specific OAuth2 browser test.

chrome/browser/chromeos/login/oauth2_login_verifier.cc

 // Copyright (c) 2013 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 "chrome/browser/chromeos/login/oauth2_login_verifier.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 58 matching lines @@
   // Delay the verification if the network is not connected or on a captive
   // portal.
   const NetworkState* default_network =
       NetworkHandler::Get()->network_state_handler()->DefaultNetwork();
   NetworkPortalDetector* detector = NetworkPortalDetector::Get();
   if (!default_network ||
       default_network->connection_state() == shill::kStatePortal ||
       (detector && detector->GetCaptivePortalState(default_network).status !=
            NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_ONLINE)) {
     // If network is offline, defer the token fetching until online.
-    VLOG(1) << "Network is offline.  Deferring OAuth2 access token fetch.";
+    LOG(WARNING) << "Network is offline.  Deferring OAuth2 access token fetch.";
     BrowserThread::PostDelayedTask(
         BrowserThread::UI,
         FROM_HERE,
         base::Bind(
             &OAuth2LoginVerifier::VerifyProfileTokens, AsWeakPtr(), profile),
         base::TimeDelta::FromMilliseconds(kRequestRestartDelay));
     return;
   }
 
   access_token_.clear();
@@ skipping 163 matching lines @@
                << operation_id;
   UMA_HISTOGRAM_ENUMERATION(
       base::StringPrintf("OAuth2Login.%sFailure", operation_id),
       error.state(),
       GoogleServiceAuthError::NUM_STATES);
 
   error_handler.Run(IsConnectionOrServiceError(error));
 }
 
 }  // namespace chromeos