Use new hash syntax

actionpack/test/controller/api/redirect_to_test.rb

@@ -2,7 +2,7 @@
 
 class RedirectToApiController < ActionController::API
   def one
-    redirect_to :action => "two"
+    redirect_to action: "two"
   end
 
   def two; end

actionpack/test/controller/api/renderers_test.rb

@@ -4,20 +4,20 @@
 class RenderersApiController < ActionController::API
   class Model
     def to_json(options = {})
-      { :a => 'b' }.to_json(options)
+      { a: 'b' }.to_json(options)
     end
 
     def to_xml(options = {})
-      { :a => 'b' }.to_xml(options)
+      { a: 'b' }.to_xml(options)
     end
   end
 
   def one
-    render :json => Model.new
+    render json: Model.new
   end
 
   def two
-    render :xml => Model.new
+    render xml: Model.new
   end
 end
 
@@ -27,12 +27,12 @@ class RenderersApiTest < ActionController::TestCase
   def test_render_json
     get :one
     assert_response :success
-    assert_equal({ :a => 'b' }.to_json, @response.body)
+    assert_equal({ a: 'b' }.to_json, @response.body)
   end
 
   def test_render_xml
     get :two
     assert_response :success
-    assert_equal({ :a => 'b' }.to_xml, @response.body)
+    assert_equal({ a: 'b' }.to_xml, @response.body)
   end
 end

railties/test/application/initializers/frameworks_test.rb

@@ -140,7 +140,7 @@ class ApplicationController < ActionController::API
       app_file "app/controllers/omg_controller.rb", <<-RUBY
         class OmgController < ApplicationController
           def show
-            render :json => { :omg => 'omg' }
+            render json: { omg: 'omg' }
           end
         end
       RUBY