Disable BrowserPluginHostTest.GuestUnresponsive again.

content/browser/browser_plugin/browser_plugin_host_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 "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/run_loop.h"
 #include "base/string_util.h"
 #include "base/strings/string_split.h"
 #include "base/test/test_timeouts.h"
@@ skipping 357 matching lines @@
   TestBrowserPluginEmbedder* test_embedder_;
   TestBrowserPluginGuest* test_guest_;
   TestBrowserPluginGuestManager* test_guest_manager_;
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginHostTest);
 };
 
 // This test loads a guest that has a busy loop, and therefore it hangs the
 // guest.
 //
 // Disabled on Windows and Linux since it is flaky. crbug.com/164812
-IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest, GuestUnresponsive) {
+// THIS TEST IS ALWAYS FLAKY. DO NOT ENABLE AGAIN WITHOUT REWRITING.
+#if defined(OS_WIN) || defined(OS_LINUX)
+#define MAYBE_GuestUnresponsive DISABLED_GuestUnresponsive
+#else
+#define MAYBE_GuestUnresponsive GuestUnresponsive
+#endif
+IN_PROC_BROWSER_TEST_F(BrowserPluginHostTest,
+                       MAYBE_GuestUnresponsive) {
   // Override the hang timeout for guest to be very small.
   content::BrowserPluginGuest::set_factory_for_testing(
       TestShortHangTimeoutGuestFactory::GetInstance());
   const char kEmbedderURL[] =
       "files/browser_plugin_embedder_guest_unresponsive.html";
   StartBrowserPluginTest(kEmbedderURL, kHTMLForGuestBusyLoop, true, "");
   // Wait until the busy loop starts.
   {
     const string16 expected_title = ASCIIToUTF16("start");
     content::TitleWatcher title_watcher(test_guest()->web_contents(),
@@ skipping 996 matching lines @@
     const string16 expected_title = ASCIIToUTF16("AutoSize(640, 480)");
     content::TitleWatcher title_watcher(test_embedder()->web_contents(),
                                         expected_title);
     RemoveAttributes(rvh, "maxwidth");
     string16 actual_title = title_watcher.WaitAndGetTitle();
     EXPECT_EQ(expected_title, actual_title);
   }
 }
 
 }  // namespace content