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

chrome/browser/prerender/prerender_browsertest.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 <deque>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
@@ skipping 2706 matching lines @@
   ChannelDestructionWatcher channel_close_watcher;
   channel_close_watcher.WatchChannel(browser()->tab_strip_model()->
       GetActiveWebContents()->GetRenderProcessHost());
   NavigateToDestURL();
   channel_close_watcher.WaitForChannelClose();
 
   ASSERT_TRUE(IsEmptyPrerenderLinkManager());
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
-IN_PROC_BROWSER_TEST_F(PrerenderBrowserTestWithExtensions, TabsApi) {
+// Fails often on Windows dbg bots. http://crbug.com/177163
+#if defined(OS_WIN)
+#define MAYBE_TabsApi DISABLED_TabsApi
+#else
+#define MAYBE_TabsApi TabsApi
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTestWithExtensions, MAYBE_TabsApi) {
   ASSERT_TRUE(StartTestServer());
   extensions::FrameNavigationState::set_allow_extension_scheme(true);
 
   // Wait for the extension to set itself up and return control to us.
   ASSERT_TRUE(RunExtensionSubtest("tabs/on_replaced", "on_replaced.html"))
       << message_;
 
   ResultCatcher catcher;
 
   PrerenderTestURL("files/prerender/prerender_page.html", FINAL_STATUS_USED, 1);
@@ skipping 44 matching lines @@
 // Checks that non-http/https main page redirects cancel the prerender.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
                        PrerenderCancelMainFrameRedirectUnsupportedScheme) {
   GURL url = test_server()->GetURL(
       CreateServerRedirect("invalidscheme://www.google.com/test.html"));
   PrerenderTestURL(url, FINAL_STATUS_UNSUPPORTED_SCHEME, 1);
   NavigateToDestURL();
 }
 
 }  // namespace prerender