Missed commit. References #10395.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8344 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/lib/active_support/core_ext/object/conversions.rb

+class Object
+  # Alias of <tt>to_s</tt>.
+  def to_param
+    to_s
+  end
+
+  # Converts an object into a string suitable for use as a URL query string, using the given <tt>key</tt> as the
+  # param name.
+  #
+  # Note: This method is defined as a default implementation for all Objects for Hash#to_query to work.
+  def to_query(key)
+    "#{CGI.escape(key.to_s)}=#{CGI.escape(to_param.to_s)}"
+  end
+end
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