linux and chromeos: Turn on -Wunused-const-variable.

chrome/browser/chromeos/login/login_utils_browsertest.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/chromeos/login/login_utils.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 66 matching lines @@
 
 namespace em = enterprise_management;
 
 using ::testing::DoAll;
 using ::testing::Return;
 using ::testing::SaveArg;
 using ::testing::SetArgPointee;
 using ::testing::_;
 using content::BrowserThread;
 
-const char kTrue[] = "true";
-const char kFalse[] = "false";
 const char kDomain[] = "domain.com";
 const char kUsername[] = "user@domain.com";
-const char kMode[] = "enterprise";
 const char kDeviceId[] = "100200300";
 const char kUsernameOtherDomain[] = "user@other.com";
-const char kAttributeOwned[] = "enterprise.owned";
-const char kAttributeOwner[] = "enterprise.user";
-const char kAttributeConsumerKiosk[] = "consumer.app_kiosk_enabled";
-const char kAttrEnterpriseDomain[] = "enterprise.domain";
-const char kAttrEnterpriseMode[] = "enterprise.mode";
-const char kAttrEnterpriseDeviceId[] = "enterprise.device_id";
 
 const char kOAuthTokenCookie[] = "oauth_token=1234";
 
 const char kGaiaAccountDisabledResponse[] = "Error=AccountDeleted";
 
 const char kOAuth2TokenPairData[] =
     "{"
     "  \"refresh_token\": \"1234\","
     "  \"access_token\": \"5678\","
     "  \"expires_in\": 3600"
@@ skipping 573 matching lines @@
 }
 
 INSTANTIATE_TEST_CASE_P(
     LoginUtilsBlockingLoginTestInstance,
     LoginUtilsBlockingLoginTest,
     testing::Values(0, 1, 2, 3, 4, 5));
 
 }  // namespace
 
 }  // namespace chromeos