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

chrome/browser/extensions/api/web_request/web_request_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 "base/command_line.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
@@ skipping 61 matching lines @@
       bool load_extension_with_incognito_permission,
       bool wait_for_extension_loaded_in_incognito,
       const char* expected_content_regular_window,
       const char* exptected_content_incognito_window);
 };
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, WebRequestApi) {
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_api.html")) << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, WebRequestSimple) {
+// Fails often on Windows dbg bots. http://crbug.com/177163
+#if defined(OS_WIN)
+#define MAYBE_WebRequestSimple DISABLED_WebRequestSimple
+#else
+#define MAYBE_WebRequestSimple WebRequestSimple
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, MAYBE_WebRequestSimple) {
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_simple.html")) <<
       message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, WebRequestComplex) {
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_complex.html")) <<
       message_;
 }
 
 // Flaky (sometimes crash): http://crbug.com/140976
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest,
                        DISABLED_WebRequestAuthRequired) {
   CancelLoginDialog login_dialog_helper;
 
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_auth_required.html")) <<
       message_;
 }
 
 // This test times out regularly on win_rel trybots. See http://crbug.com/122178
 #if defined(OS_WIN)
 #define MAYBE_WebRequestBlocking DISABLED_WebRequestBlocking
 #else
 #define MAYBE_WebRequestBlocking WebRequestBlocking
 #endif
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, MAYBE_WebRequestBlocking) {
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_blocking.html")) <<
       message_;
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, WebRequestNewTab) {
+// Fails often on Windows dbg bots. http://crbug.com/177163
+#if defined(OS_WIN)
+#define MAYBE_WebRequestNewTab DISABLED_WebRequestNewTab
+#else
+#define MAYBE_WebRequestNewTab WebRequestNewTab
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, MAYBE_WebRequestNewTab) {
   // Wait for the extension to set itself up and return control to us.
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_newTab.html"))
       << message_;
 
   WebContents* tab = browser()->tab_strip_model()->GetActiveWebContents();
   content::WaitForLoadStop(tab);
 
   ResultCatcher catcher;
 
   ExtensionService* service = extensions::ExtensionSystem::Get(
@@ skipping 167 matching lines @@
   // Reload extension and wait for rules to be set up again. This should not
   // crash the browser.
   ExtensionTestMessageListener listener2("done", true);
   ExtensionTestMessageListener listener_incognito2("done_incognito", true);
 
   ReloadExtension(extension->id());
 
   EXPECT_TRUE(listener2.WaitUntilSatisfied());
   EXPECT_TRUE(listener_incognito2.WaitUntilSatisfied());
 }