Add the ability to use AllowAddressReuse for UDP sockets.

chrome/browser/extensions/api/socket/socket_api.h

Index: chrome/browser/extensions/api/socket/socket_api.h
diff --git a/chrome/browser/extensions/api/socket/socket_api.h b/chrome/browser/extensions/api/socket/socket_api.h
index 99a7ef2ec171c6dc98eb83e08566916b92a36f86..f5a9d2751e79cc61d2df28b223f6a6f2bee2fabe 100644
--- a/chrome/browser/extensions/api/socket/socket_api.h
+++ b/chrome/browser/extensions/api/socket/socket_api.h
@@ -436,6 +436,25 @@ class SocketGetJoinedGroupsFunction : public SocketAsyncApiFunction {
  private:
   scoped_ptr<api::socket::GetJoinedGroups::Params> params_;
 };
+
+class SocketAllowAddressReuseFunction : public SocketAsyncApiFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("socket.allowAddressReuse",
+                             SOCKET_ALLOW_ADDRESS_REUSE)
+
+  SocketAllowAddressReuseFunction();
+
+ protected:
+  virtual ~SocketAllowAddressReuseFunction();
+
+  // AsyncApiFunction
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+
+ private:
+  scoped_ptr<api::socket::AllowAddressReuse::Params> params_;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_SOCKET_API_H_