Ensure tests have an active task runner

chrome/browser/extensions/api/web_request/web_request_permissions_unittest.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 "extensions/browser/api/web_request/web_request_permissions.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/common/extensions/extension_test_util.h"
 #include "content/public/browser/resource_request_info.h"
@@ skipping 13 matching lines @@
 using extension_test_util::LoadManifestUnchecked;
 
 class ExtensionWebRequestHelpersTestWithThreadsTest : public testing::Test {
  public:
   ExtensionWebRequestHelpersTestWithThreadsTest()
       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {}
 
  protected:
   void SetUp() override;
 
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+
  protected:
   net::TestURLRequestContext context;
 
   // This extension has Web Request permissions, but no host permission.
   scoped_refptr<Extension> permissionless_extension_;
   // This extension has Web Request permissions, and *.com a host permission.
   scoped_refptr<Extension> com_extension_;
   scoped_refptr<extensions::InfoMap> extension_info_map_;
-
- private:
-  content::TestBrowserThreadBundle thread_bundle_;
 };
 
 void ExtensionWebRequestHelpersTestWithThreadsTest::SetUp() {
   testing::Test::SetUp();
 
   std::string error;
   permissionless_extension_ = LoadManifestUnchecked("permissions",
                                                     "web_request_no_host.json",
                                                     Manifest::INVALID_LOCATION,
                                                     Extension::NO_FLAGS,
@@ skipping 113 matching lines @@
       request->url(),
       false /*crosses_incognito*/,
       WebRequestPermissions::REQUIRE_HOST_PERMISSION));
   EXPECT_FALSE(WebRequestPermissions::CanExtensionAccessURL(
       extension_info_map_.get(),
       com_extension_->id(),
       request->url(),
       false /*crosses_incognito*/,
       WebRequestPermissions::REQUIRE_ALL_URLS));
 }