Remove Proc#bind from Rails 3.2

actionmailer/lib/action_mailer/base.rb

@@ -2,7 +2,6 @@ require 'mail'
 require 'action_mailer/collector'
 require 'active_support/core_ext/array/wrap'
 require 'active_support/core_ext/object/blank'
-require 'active_support/core_ext/proc'
 require 'active_support/core_ext/string/inflections'
 require 'active_support/core_ext/hash/except'
 require 'active_support/core_ext/module/anonymous'
@@ -627,7 +626,7 @@ module ActionMailer #:nodoc:
 
       # Call all the procs (if any)
       default_values = self.class.default.merge(self.class.default) do |k,v|
-        v.respond_to?(:call) ? v.bind(self).call : v
+        v.respond_to?(:call) ? instance_eval(&v) : v
       end
 
       # Handle defaults

activesupport/lib/active_support/core_ext/proc.rb

@@ -1,14 +0,0 @@
-require "active_support/core_ext/kernel/singleton_class"
-
-class Proc #:nodoc:
-  def bind(object)
-    block, time = self, Time.now
-    object.class_eval do
-      method_name = "__bind_#{time.to_i}_#{time.usec}"
-      define_method(method_name, &block)
-      method = instance_method(method_name)
-      remove_method(method_name)
-      method
-    end.bind(object)
-  end
-end

activesupport/lib/active_support/rescuable.rb

@@ -1,6 +1,5 @@
 require 'active_support/concern'
 require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/proc'
 require 'active_support/core_ext/string/inflections'
 require 'active_support/core_ext/array/extract_options'
 
@@ -108,7 +107,11 @@ module ActiveSupport
       when Symbol
         method(rescuer)
       when Proc
-        rescuer.bind(self)
+        if rescuer.arity == 0
+          Proc.new { instance_exec(&rescuer) }
+        else
+          Proc.new { |_exception| instance_exec(_exception, &rescuer) }
+        end
       end
     end
   end

activesupport/test/core_ext/proc_test.rb

@@ -1,12 +0,0 @@
-require 'abstract_unit'
-require 'active_support/core_ext/proc'
-
-class ProcTests < Test::Unit::TestCase
-  def test_bind_returns_method_with_changed_self
-    block = Proc.new { self }
-    assert_equal self, block.call
-    bound_block = block.bind("hello")
-    assert_not_equal block, bound_block
-    assert_equal "hello", bound_block.call
-  end
-end