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

chrome/browser/extensions/api/webstore_private/webstore_private_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 <vector>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 333 matching lines @@
 IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest,
                        MAYBE_AppInstallBubble) {
   WebstoreInstallListener listener;
   WebstorePrivateApi::SetWebstoreInstallerDelegateForTesting(&listener);
   ASSERT_TRUE(RunInstallTest("app_install_bubble.html", "app.crx"));
   listener.Wait();
   ASSERT_TRUE(listener.received_success());
   ASSERT_EQ("iladmdjkfniedhfhcfoefgojhgaiaccc", listener.id());
 }
 
+// Fails often on Windows dbg bots. http://crbug.com/177163
+#if defined(OS_WIN)
+#define MAYBE_IconUrl DISABLED_IconUrl
+#else
+#define MAYBE_IconUrl IconUrl
+#endif  // defined(OS_WIN)
 // Tests using the iconUrl parameter to the install function.
-IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest, IconUrl) {
+IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest, MAYBE_IconUrl) {
   ASSERT_TRUE(RunInstallTest("icon_url.html", "extension.crx"));
 }
 
 // Tests that the Approvals are properly created in beginInstall.
 IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest, BeginInstall) {
   std::string appId = "iladmdjkfniedhfhcfoefgojhgaiaccc";
   std::string extensionId = "enfkhcelefdadlmkffamgdlgplcionje";
   ASSERT_TRUE(RunInstallTest("begin_install.html", "extension.crx"));
 
   scoped_ptr<WebstoreInstaller::Approval> approval =
@@ skipping 122 matching lines @@
   content::GpuDataManager::GetInstance()->InitializeForTesting(
       json_blacklist, gpu_info);
   EXPECT_TRUE(content::GpuDataManager::GetInstance()->IsFeatureBlacklisted(
       gpu::GPU_FEATURE_TYPE_WEBGL));
 
   bool webgl_allowed = false;
   RunTest(webgl_allowed);
 }
 
 }  // namespace extensions