ExtensionWebRequestApiTest.PostData* are flaky on Win debug bots

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 227 matching lines @@
   // Test split with incognito permission.
   RunPermissionTest("split", true, true, "redirected1", "redirected2");
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest,
                        WebRequestDeclarativePermissionSplit2) {
   // Test split without incognito permission.
   RunPermissionTest("split", false, false, "redirected1", "");
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, PostData1) {
+// TODO(vabr): Cure these flaky tests, http://crbug.com/238179.
+#if defined(OS_WIN) && !defined(NDEBUG)
+#define MAYBE_PostData1 DISABLED_PostData1
+#define MAYBE_PostData2 DISABLED_PostData2
+#else
+#define MAYBE_PostData1 PostData1
+#define MAYBE_PostData2 PostData2
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, MAYBE_PostData1) {
   // Test HTML form POST data access with the default and "url" encoding.
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_post1.html")) <<
       message_;
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, PostData2) {
+IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest, MAYBE_PostData2) {
   // Test HTML form POST data access with the multipart and plaintext encoding.
   ASSERT_TRUE(RunExtensionSubtest("webrequest", "test_post2.html")) <<
       message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionWebRequestApiTest,
                        DeclarativeSendMessage) {
   ASSERT_TRUE(RunExtensionTest("webrequest_sendmessage")) << message_;
 }
 
@@ skipping 17 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());
 }