UDP firewall rules for Windows.

chrome/installer/util/firewall_manager.h

Index: chrome/installer/util/firewall_manager.h
diff --git a/chrome/installer/util/firewall_manager.h b/chrome/installer/util/firewall_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..c654e5bcadf09347ba220a92e9d2d6354d17f7e3
--- /dev/null
+++ b/chrome/installer/util/firewall_manager.h
@@ -0,0 +1,41 @@
+// 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.
+
+#ifndef CHROME_INSTALLER_UTIL_FIREWALL_MANAGER_H_
+#define CHROME_INSTALLER_UTIL_FIREWALL_MANAGER_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace base {
+class FilePath;
+}
+class BrowserDistribution;
+
+namespace installer {
+
+// Implementation for Windows requires that COM be initialized on the calling
+// thread.
+class FirewallManager {
+ public:
+  virtual ~FirewallManager();
+
+  static scoped_ptr<FirewallManager> Create(BrowserDistribution* dist,
+                                            const base::FilePath& chrome_path);
+
+  virtual bool AddUDPFirewallRuleIfAbsent() = 0;
+
+  virtual void DeleteUDPFirewallRule() = 0;
+
+  virtual bool CanUseLocalUDPPort() = 0;
+
+ protected:
+  FirewallManager();
+
+  DISALLOW_COPY_AND_ASSIGN(FirewallManager);
+};
+
+}  // namespace installer
+
+#endif  // CHROME_INSTALLER_UTIL_FIREWALL_MANAGER_H_