Disable flaky test ExtensionServiceTest.UpdatingPendingExternalExtensionWithFlags

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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/extension_service.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 4304 matching lines @@
   observer.Wait();
 
   ASSERT_EQ(1u, registry()->enabled_extensions().size());
   EXPECT_TRUE(service()->GetExtensionById(good_crx, false));
   const Extension* extension = service()->GetExtensionById(good_crx, false);
   EXPECT_TRUE(extension->from_webstore());
   EXPECT_TRUE(extension->was_installed_by_default());
 }
 #endif
 
-TEST_F(ExtensionServiceTest, UpdatingPendingExternalExtensionWithFlags) {
+// Crashes on Linux/CrOS.  https://crbug.com/703712
+#if defined(OS_LINUX) || defined(OS_CHROMEOS)
+#define MAYBE_UpdatingPendingExternalExtensionWithFlags \
+  DISABLED_UpdatingPendingExternalExtensionWithFlags
+#else
+#define MAYBE_UpdatingPendingExternalExtensionWithFlags \
+  UpdatingPendingExternalExtensionWithFlags
+#endif
+
+TEST_F(ExtensionServiceTest, MAYBE_UpdatingPendingExternalExtensionWithFlags) {
   // Regression test for crbug.com/627522
   const char kPrefFromBookmark[] = "from_bookmark";
 
   InitializeEmptyExtensionService();
 
   base::FilePath path = data_dir().AppendASCII("good.crx");
 
   // Register and install an external extension.
   std::unique_ptr<base::Version> version(new base::Version("1.0.0.0"));
   content::WindowedNotificationObserver observer(
@@ skipping 2802 matching lines @@
             shared_module->manifest()->type());
   EXPECT_TRUE(registry()->enabled_extensions().Contains(kExtensionId));
 
   // Reload the extension and wait for it to complete. This previously crashed
   // (see crbug.com/676815).
   service()->ReloadExtension(kExtensionId);
   base::RunLoop().RunUntilIdle();
   // The shared module should be enabled.
   EXPECT_TRUE(registry()->enabled_extensions().Contains(kExtensionId));
 }