Fix GN missing headers in //base

chrome/browser/extensions/extension_loading_browsertest.cc

 // Copyright 2013 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.
 //
 // This file contains tests for extension loading, reloading, and
 // unloading behavior.
 
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/version.h"
-#include "base/win/windows_version.h"
 #include "build/build_config.h"
 #include "chrome/browser/extensions/devtools_util.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_dir.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/test/browser_test_utils.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 namespace extensions {
 namespace {
 
 class ExtensionLoadingTest : public ExtensionBrowserTest {
 };
 
 // Check the fix for http://crbug.com/178542.
 IN_PROC_BROWSER_TEST_F(ExtensionLoadingTest,
                        UpgradeAfterNavigatingFromOverriddenNewTabPage) {
   embedded_test_server()->ServeFilesFromDirectory(
@@ skipping 188 matching lines @@
 
   // Now check whether the extension runtime is valid (see kTargetJs).
   bool is_valid = false;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
       bg_contents, "domAutomationController.send(is_valid);", &is_valid));
   EXPECT_TRUE(is_valid);
 }
 
 }  // namespace
 }  // namespace extensions