Disable Flaky WebNavigationApiTest.UserAction on Windows.

chrome/browser/extensions/api/web_navigation/web_navigation_apitest.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 <list>
 #include <set>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 491 matching lines @@
 IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, MAYBE_Failures) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionTest("webnavigation/failures")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, FilteredTest) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionTest("webnavigation/filtered")) << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, UserAction) {
+// Flaky on Windows. See http://crbug.com/662160.
+#if defined(OS_WIN)
+#define MAYBE_UserAction DISABLED_UserAction
+#else
+#define MAYBE_UserAction UserAction
+#endif
+IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, MAYBE_UserAction) {
   content::IsolateAllSitesForTesting(base::CommandLine::ForCurrentProcess());
   ASSERT_TRUE(StartEmbeddedTestServer());
 
   // Wait for the extension to set itself up and return control to us.
   ASSERT_TRUE(RunExtensionTest("webnavigation/userAction")) << message_;
 
   WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
   content::WaitForLoadStop(tab);
 
   ResultCatcher catcher;
@@ skipping 280 matching lines @@
           "extensions/api_test/webnavigation/crash/b.html",
       embedded_test_server()->port()));
   ui_test_utils::NavigateToURL(browser(), url);
 
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 #endif
 
 }  // namespace extensions