aura: Require explicit ownership of the Env instance.

content/public/test/unittest_test_suite.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 "content/public/test/unittest_test_suite.h"
 
 #include "base/logging.h"
 #include "base/rand_util.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
@@ skipping 10 matching lines @@
 
 namespace content {
 
 UnitTestTestSuite::UnitTestTestSuite(base::TestSuite* test_suite)
     : test_suite_(test_suite) {
 #if defined(USE_X11)
   XInitThreads();
 #endif
 #if defined(USE_AURA)
   DCHECK(!aura::Env::GetInstanceDontCreate());
-  const bool create_event_source = true;
-  aura::Env::CreateInstance(create_event_source);
+  env_ = aura::Env::CreateInstance();
 #endif
   DCHECK(test_suite);
   blink_test_support_.reset(new TestBlinkWebUnitTestSupport);
 }
 
 UnitTestTestSuite::~UnitTestTestSuite() {
   blink_test_support_.reset();
 #if defined(USE_AURA)
-  aura::Env::DeleteInstance();
+  env_.reset();
 #endif
 }
 
 int UnitTestTestSuite::Run() {
   return test_suite_->Run();
 }
 
 }  // namespace content