Refactor `CLI::Info`.

Library/Homebrew/cask/lib/hbc/cli/info.rb

@@ -2,13 +2,20 @@ module Hbc
   class CLI
     class Info < Base
       def self.run(*args)
-        cask_tokens = cask_tokens_from(args)
-        raise CaskUnspecifiedError if cask_tokens.empty?
-        cask_tokens.each do |cask_token|
+        new(*args).run
+      end
+
+      def initialize(*args)
+        @cask_tokens = self.class.cask_tokens_from(args)
+        raise CaskUnspecifiedError if @cask_tokens.empty?
+      end
+
+      def run
+        @cask_tokens.each do |cask_token|
           odebug "Getting info for Cask #{cask_token}"
           cask = CaskLoader.load(cask_token)
 
-          info(cask)
+          self.class.info(cask)
         end
       end