Run app_shell on Windows.

extensions/shell/browser/shell_nacl_browser_delegate.cc

 // Copyright 2014 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 "extensions/shell/browser/shell_nacl_browser_delegate.h"
 
 #include <string>
 
+#include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/site_instance.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/info_map.h"
@@ skipping 57 matching lines @@
   // app_shell does not have infobars.
   LOG(ERROR) << "Missing architecture for pid " << render_process_id;
 }
 
 bool ShellNaClBrowserDelegate::DialogsAreSuppressed() {
   return false;
 }
 
 bool ShellNaClBrowserDelegate::GetCacheDirectory(base::FilePath* cache_dir) {
   // Just use the general cache directory, not a subdirectory like Chrome does.
+#if defined(OS_POSIX)
   return PathService::Get(base::DIR_CACHE, cache_dir);
+#elif defined(OS_WIN)
+  // TODO(yoz): Find an appropriate persistent directory to use here.
+  return PathService::Get(base::DIR_TEMP, cache_dir);
+#endif
 }
 
 bool ShellNaClBrowserDelegate::GetPluginDirectory(base::FilePath* plugin_dir) {
   // On Posix, plugins are in the module directory.
   return PathService::Get(base::DIR_MODULE, plugin_dir);
 }
 
 bool ShellNaClBrowserDelegate::GetPnaclDirectory(base::FilePath* pnacl_dir) {
   // On Posix, the pnacl directory is inside the plugin directory.
   base::FilePath plugin_dir;
@@ skipping 83 matching lines @@
   return base::Bind(&OnKeepalive);
 }
 
 bool ShellNaClBrowserDelegate::IsNonSfiModeAllowed(
     const base::FilePath& profile_directory,
     const GURL& manifest_url) {
   return false;
 }
 
 }  // namespace extensions