Mark some of tests that invoke RunExtensionSubset as disabled on Win - see bug.

chrome/browser/extensions/execute_script_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 "chrome/browser/extensions/extension_apitest.h"
 #include "net/dns/mock_host_resolver.h"
 
 class ExecuteScriptApiTest : public ExtensionApiTest {
  protected:
   void SetupDelayedHostResolver() {
@@ skipping 39 matching lines @@
   ASSERT_TRUE(RunExtensionTest("executescript/file_after_close")) << message_;
 }
 
 // If crashing, mark disabled and update http://crbug.com/67774.
 IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, ExecuteScriptFragmentNavigation) {
   ASSERT_TRUE(StartTestServer());
   const char* extension_name = "executescript/fragment";
   ASSERT_TRUE(RunExtensionTest(extension_name)) << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, NavigationRaceExecuteScript) {
+// Fails often on Windows dbg bots. http://crbug.com/177163
+#if defined(OS_WIN)
+#define MAYBE_NavigationRaceExecuteScript DISABLED_NavigationRaceExecuteScript
+#else
+#define MAYBE_NavigationRaceExecuteScript NavigationRaceExecuteScript
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest,
+                       MAYBE_NavigationRaceExecuteScript) {
   host_resolver()->AddRule("a.com", "127.0.0.1");
   host_resolver()->AddRule("b.com", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionSubtest("executescript/navigation_race",
                                   "execute_script.html")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, NavigationRaceJavaScriptURL) {
   host_resolver()->AddRule("a.com", "127.0.0.1");
   host_resolver()->AddRule("b.com", "127.0.0.1");
@@ skipping 13 matching lines @@
   SetupDelayedHostResolver();
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionTest("executescript/run_at")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, ExecuteScriptCallback) {
   SetupDelayedHostResolver();
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionTest("executescript/callback")) << message_;
 }