Explicit initialization of aura::Env for browser shell.

chrome/browser/extensions/test_extension_environment.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/extensions/test_extension_environment.h"
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/run_loop.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_builder.h"
 #include "chrome/common/extensions/value_builder.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(USE_AURA)
+#include "ui/aura/env.h"
+#endif
+
 namespace extensions {
 
 using content::BrowserThread;
 
 TestExtensionEnvironment::TestExtensionEnvironment()
     : ui_thread_(BrowserThread::UI, &loop_),
       file_thread_(BrowserThread::FILE),
       file_blocking_thread_(BrowserThread::FILE_USER_BLOCKING),
       io_thread_(BrowserThread::IO),
       profile_(new TestingProfile),
       extension_service_(NULL) {
   file_thread_.Start();
   file_blocking_thread_.Start();
   io_thread_.StartIOThread();
+
+#if defined(USE_AURA)
+  aura::Env::CreateInstance();
+#endif
 }
 
 TestExtensionEnvironment::~TestExtensionEnvironment() {
+#if defined(USE_AURA)
+  aura::Env::DeleteInstance();
+#endif
+
   profile_.reset();
   // Delete the profile, and then cycle the message loop to clear
   // out delayed deletions.
   base::RunLoop().RunUntilIdle();
 }
 
 TestingProfile* TestExtensionEnvironment::profile() const {
   return profile_.get();
 }
 
@@ skipping 31 matching lines @@
 
 scoped_ptr<content::WebContents> TestExtensionEnvironment::MakeTab() const {
   scoped_ptr<content::WebContents> contents(
       content::WebContentsTester::CreateTestWebContents(profile(), NULL));
   // Create a tab id.
   SessionTabHelper::CreateForWebContents(contents.get());
   return contents.Pass();
 }
 
 }  // namespace extensions