Disable WebViewInteractiveTest.Focus on ChromeOS

chrome/browser/apps/web_view_interactive_browsertest.cc

 // Copyright 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 "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
@@ skipping 450 matching lines @@
     SendMouseClick(ui_controls::RIGHT);
     ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(
         gfx::Point(corner().x() + 51, corner().y() + 11)));
     ASSERT_TRUE(move_listener2.WaitUntilSatisfied());
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX))
 
 // Fails on Windows. crbug.com/236040
-#if defined(OS_WIN)
+// Also flaky on ChromiumOS. crbug.com/281815
+#if defined(OS_WIN) || defined(OS_CHROMEOS)
 #define MAYBE_Focus DISABLED_Focus
 #else
 #define MAYBE_Focus Focus
 #endif
 // Tests that setting focus on the <webview> sets focus on the guest.
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest, MAYBE_Focus) {
   ASSERT_TRUE(StartEmbeddedTestServer());  // For serving guest pages.
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/web_view/focus"))
       << message_;
 }
@@ skipping 193 matching lines @@
   ASSERT_TRUE(done_listener.WaitUntilSatisfied());
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest,
                        PointerLock_PointerLockLostWithFocus) {
   TestHelper("testPointerLockLostWithFocus",
              "DonePointerLockTest.PASSED",
              "DonePointerLockTest.FAILED",
              "web_view/pointerlock");
 }