Mark content::TestBrowserContext as live in ExtensionsTest before use.

extensions/browser/extensions_test.cc

 // Copyright 2014 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/extensions_test.h"
 
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_client.h"
 #include "content/public/test/test_browser_context.h"
@@ skipping 10 matching lines @@
 //   MyExtensionsTest()
 //     : my_object_(browser_context())) {
 //   }
 // };
 ExtensionsTest::ExtensionsTest()
     : content_browser_client_(new TestContentBrowserClient),
       content_utility_client_(new TestContentUtilityClient),
       browser_context_(new content::TestBrowserContext),
       extensions_browser_client_(
           new TestExtensionsBrowserClient(browser_context_.get())) {
+  BrowserContextDependencyManager::GetInstance()->MarkBrowserContextLive(
+      browser_context_.get());
   content::SetBrowserClientForTesting(content_browser_client_.get());
   content::SetUtilityClientForTesting(content_utility_client_.get());
   ExtensionsBrowserClient::Set(extensions_browser_client_.get());
   extensions_browser_client_->set_extension_system_factory(
       &extension_system_factory_);
 }
 
 ExtensionsTest::~ExtensionsTest() {
   ExtensionsBrowserClient::Set(nullptr);
   content::SetBrowserClientForTesting(nullptr);
@@ skipping 10 matching lines @@
   // Allows individual tests to have BrowserContextKeyedServiceFactory objects
   // as member variables instead of singletons. The individual services will be
   // cleaned up before the factories are destroyed.
   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
       browser_context_.get());
   extensions_browser_client_.reset();
   browser_context_.reset();
 }
 
 }  // namespace extensions