Enable browser_tests with Ozone CrOS.

chrome/browser/extensions/api/desktop_capture/desktop_capture_apitest.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 <array>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 153 matching lines @@
     replacements.SetPortStr(port);
     return embedded_test_server()->GetURL(path).ReplaceComponents(replacements);
   }
 
   FakeDesktopMediaPickerFactory picker_factory_;
 };
 
 }  // namespace
 
 // Flaky on Windows: http://crbug.com/301887
-#if defined(OS_WIN)
+// Fails on Ozone Chrome OS: http://crbug.com/718512
+#if defined(OS_WIN) || (defined(OS_CHROMEOS) && defined(USE_OZONE))
 #define MAYBE_ChooseDesktopMedia DISABLED_ChooseDesktopMedia
 #else
 #define MAYBE_ChooseDesktopMedia ChooseDesktopMedia
 #endif
 IN_PROC_BROWSER_TEST_F(DesktopCaptureApiTest, MAYBE_ChooseDesktopMedia) {
   // Each element in the following array corresponds to one test in
   // chrome/test/data/extensions/api_test/desktop_capture/test.js .
   TestFlags test_flags[] = {
       // pickerUiCanceled()
       {true, true, false, false, content::DesktopMediaID()},
@@ skipping 109 matching lines @@
   EXPECT_TRUE(result);
   EXPECT_TRUE(test_flags[2].picker_created);
   EXPECT_FALSE(test_flags[2].picker_deleted);
 
   web_contents->Close();
   destroyed_watcher.Wait();
   EXPECT_TRUE(test_flags[2].picker_deleted);
 }
 
 }  // namespace extensions