Clean up Chrome OS WARNING spam

chrome/browser/profiles/profile_io_data.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 "chrome/browser/profiles/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 349 matching lines @@
   chromeos::UserManager* user_manager = chromeos::UserManager::Get();
   if (user_manager) {
     chromeos::User* user =
         chromeos::ProfileHelper::Get()->GetUserByProfile(profile);
     // No need to initialize NSS for users with empty username hash:
     // Getters for a user's NSS slots always return NULL slot if the user's
     // username hash is empty, even when the NSS is not initialized for the
     // user.
     if (user && !user->username_hash().empty()) {
       params->username_hash = user->username_hash();
+      DCHECK(!params->username_hash.empty());
       BrowserThread::PostTask(BrowserThread::IO,
                               FROM_HERE,
                               base::Bind(&StartNSSInitOnIOThread,
                                          user->email(),
                                          user->username_hash(),
                                          profile->GetPath()));
     }
   }
-  if (params->username_hash.empty())
-    LOG(WARNING) << "No username_hash; skipped NSS initialization.";
 #endif
 
   params->profile = profile;
   params->prerender_tracker = g_browser_process->prerender_tracker();
   profile_params_.reset(params.release());
 
   ChromeNetworkDelegate::InitializePrefsOnUIThread(
       &enable_referrers_,
       &enable_do_not_track_,
       &force_safesearch_,
@@ skipping 861 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 void ProfileIOData::set_signin_names_for_testing(
     SigninNamesOnIOThread* signin_names) {
   signin_names_.reset(signin_names);
 }