Run clang-modernize -use-nullptr over src/extensions/.

extensions/shell/test/shell_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/shell/test/shell_test.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/shell/browser/shell_content_browser_client.h"
 #include "extensions/shell/browser/shell_desktop_controller.h"
 #include "extensions/shell/browser/shell_extension_system.h"
 
 namespace extensions {
 
-AppShellTest::AppShellTest() : browser_context_(NULL), extension_system_(NULL) {
+AppShellTest::AppShellTest()
+    : browser_context_(nullptr), extension_system_(nullptr) {
 }
 
 AppShellTest::~AppShellTest() {
 }
 
 void AppShellTest::SetUp() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   command_line->AppendSwitchASCII(switches::kTestType, "appshell");
   content::BrowserTestBase::SetUp();
 }
@@ skipping 12 matching lines @@
 
   RunTestOnMainThread();
 
   TearDownOnMainThread();
 
   // Clean up the app window.
   ShellDesktopController::instance()->CloseAppWindows();
 }
 
 }  // namespace extensions