Disable flaky incognito-related tests on Mac ASAN.

chrome/browser/policy/policy_browsertest.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
@@ skipping 2076 matching lines @@
 
   policies.Set(key::kHomepageIsNewTabPage, POLICY_LEVEL_MANDATORY,
                POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
                base::MakeUnique<base::FundamentalValue>(true), nullptr);
   UpdateProviderPolicy(policies);
   EXPECT_TRUE(chrome::ExecuteCommand(browser(), IDC_HOME));
   content::WaitForLoadStop(contents);
   EXPECT_EQ(GURL(chrome::kChromeUINewTabURL), contents->GetURL());
 }
 
-IN_PROC_BROWSER_TEST_F(PolicyTest, IncognitoEnabled) {
+#if defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
+// Flaky on ASAN on Mac. See https://crbug.com/674497.
+#define MAYBE_IncognitoEnabled DISABLED_IncognitoEnabled
+#else
+#define MAYBE_IncognitoEnabled IncognitoEnabled
+#endif
+IN_PROC_BROWSER_TEST_F(PolicyTest, MAYBE_IncognitoEnabled) {
   // Verifies that incognito windows can't be opened when disabled by policy.
 
   const BrowserList* active_browser_list = BrowserList::GetInstance();
 
   // Disable incognito via policy and verify that incognito windows can't be
   // opened.
   EXPECT_EQ(1u, active_browser_list->size());
   EXPECT_FALSE(BrowserList::IsIncognitoSessionActive());
   PolicyMap policies;
   policies.Set(key::kIncognitoEnabled, POLICY_LEVEL_MANDATORY,
@@ skipping 2212 matching lines @@
 
   SetEmptyPolicy();
   // Policy not set.
   CheckSystemTimezoneAutomaticDetectionPolicyUnset();
   EXPECT_TRUE(CheckResolveTimezoneByGeolocation(true, false));
   EXPECT_TRUE(manager->TimeZoneResolverShouldBeRunningForTests());
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace policy