Fix more cases of unreachable code on Windows

chrome/browser/extensions/extension_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 "chrome/browser/extensions/extension_apitest.h"
 
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 263 matching lines @@
 }
 
 bool ExtensionApiTest::RunExtensionSubtest(const std::string& extension_name,
                                            const std::string& page_url,
                                            int flags) {
   DCHECK(!page_url.empty()) << "Argument page_url is required.";
   // See http://crbug.com/177163 for details.
 #if defined(OS_WIN) && !defined(NDEBUG)
   LOG(WARNING) << "Workaround for 177163, prematurely returning";
   return true;
+#else
+  return RunExtensionTestImpl(extension_name, page_url, NULL, flags);
 #endif
-  return RunExtensionTestImpl(extension_name, page_url, NULL, flags);
 }
 
 
 bool ExtensionApiTest::RunPageTest(const std::string& page_url) {
   return RunExtensionSubtest(std::string(), page_url);
 }
 
 bool ExtensionApiTest::RunPageTest(const std::string& page_url,
                                    int flags) {
   return RunExtensionSubtest(std::string(), page_url, flags);
@@ skipping 179 matching lines @@
   test_config_->SetInteger(kSpawnedTestServerPort,
                            test_server()->host_port_pair().port());
 
   return true;
 }
 
 void ExtensionApiTest::SetUpCommandLine(CommandLine* command_line) {
   ExtensionBrowserTest::SetUpCommandLine(command_line);
   test_data_dir_ = test_data_dir_.AppendASCII("api_test");
 }