Enrolling via E-Commerce API for combined login-registration page

The login-registration page now supports using the E-Commerce API when enrolling users in honor seats (of courses with SKUs).

lms/static/js/spec/student_account/enrollment_spec.js

@@ -5,7 +5,7 @@ define(['js/common_helpers/ajax_helpers', 'js/student_account/enrollment'],
         describe( 'edx.student.account.EnrollmentInterface', function() {
 
             var COURSE_KEY = 'edX/DemoX/Fall',
-                ENROLL_URL = '/api/enrollment/v1/enrollment',
+                ENROLL_URL = '/commerce/orders/',
                 FORWARD_URL = '/course_modes/choose/edX/DemoX/Fall/',
                 EMBARGO_MSG_URL = '/embargo/blocked-message/enrollment/default/';
 
@@ -26,7 +26,7 @@ define(['js/common_helpers/ajax_helpers', 'js/student_account/enrollment'],
                     requests,
                     'POST',
                     ENROLL_URL,
-                    '{"course_details":{"course_id":"edX/DemoX/Fall"}}'
+                    '{"course_id":"edX/DemoX/Fall"}'
                 );
 
                 // Simulate a successful response from the server

lms/static/js/student_account/enrollment.js

@@ -9,7 +9,7 @@ var edx = edx || {};
     edx.student.account.EnrollmentInterface = {
 
         urls: {
-            enrollment: '/api/enrollment/v1/enrollment',
+            orders: '/commerce/orders/',
             trackSelection: '/course_modes/choose/'
         },
 
@@ -23,14 +23,11 @@ var edx = edx || {};
          * @param  {string} courseKey  Slash-separated course key.
          */
         enroll: function( courseKey ) {
-            var data_obj = {
-                course_details: {
-                    course_id: courseKey
-                }
-            };
-            var data = JSON.stringify(data_obj);
+            var data_obj = {course_id: courseKey},
+                data = JSON.stringify(data_obj);
+
             $.ajax({
-                url: this.urls.enrollment,
+                url: this.urls.orders,
                 type: 'POST',
                 contentType: 'application/json; charset=utf-8',
                 data: data,