Enable Clang warnings in .cc files for Linux+[Aura/ChromeOS]

chrome/browser/chromeos/policy/variations_service_policy_browsertest.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 "base/string_util.h"
 #include "chrome/browser/chromeos/policy/device_policy_builder.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/metrics/variations/variations_service.h"
 #include "chrome/browser/policy/proto/chromeos/chrome_device_policy.pb.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "net/base/url_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 class VariationsServiceDevicePolicyTest : public DevicePolicyCrosBrowserTest {
  protected:
   VariationsServiceDevicePolicyTest() {}
 
-  void SetUpInProcessBrowserTestFixture() OVERRIDE {
+  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
 
     InstallOwnerKey();
     SetSpecificDevicePolicies();
     RefreshDevicePolicy();
   }
 
   void SetSpecificDevicePolicies() {
     // Setup the device policy DeviceVariationsRestrictParameter.
     enterprise_management::ChromeDeviceSettingsProto& proto(
@@ skipping 14 matching lines @@
   const GURL url =
       chrome_variations::VariationsService::GetVariationsServerURL(
           g_browser_process->local_state());
   EXPECT_TRUE(StartsWithASCII(url.spec(), default_variations_url, true));
   std::string value;
   EXPECT_TRUE(net::GetValueForKeyInQuery(url, "restrict", &value));
   EXPECT_EQ("restricted", value);
 }
 
 } // namespace policy