Hide '<- Outline >' link in breadcrumbs if using old course view

common/lib/xmodule/xmodule/js/src/sequence/display.js

@@ -274,7 +274,8 @@
                     edx.HtmlUtils.template($('#sequence-breadcrumbs-tpl').text())({
                         courseId: this.el.parent().data('course-id'),
                         blockId: this.id,
-                        pathText: this.el.find('.nav-item.active').data('path')
+                        pathText: this.el.find('.nav-item.active').data('path'),
+                        unifiedCourseView: this.path.data('unified-course-view')
                     })
                 );
 

common/static/common/templates/sequence-breadcrumbs.underscore

-<a href="<%- '/courses/' + courseId + '/course/#' + blockId %>">
-    <span class="fa fa-arrow-circle-left" aria-hidden="true" aria-describedby="outline-description"></span>
-    <span class="sr-only" id="outline-description"><%- gettext('Return to course outline') %></span>
-    <b><%- gettext('Outline') %></b>
-</a>
-<span> > </span>
+<% if (unifiedCourseView) { %>
+    <a href="<%- '/courses/' + courseId + '/course/#' + blockId %>">
+        <span class="fa fa-arrow-circle-left" aria-hidden="true" aria-describedby="outline-description"></span>
+        <span class="sr-only" id="outline-description"><%- gettext('Return to course outline') %></span>
+        <b><%- gettext('Outline') %></b>
+    </a>
+    <span> > </span>
+<% } %>
 <span class="position"><%- pathText %></span>

lms/templates/courseware/courseware.html

@@ -3,6 +3,8 @@
 <%namespace name='static' file='/static_content.html'/>
 <%def name="online_help_token()"><% return "courseware" %></%def>
 <%!
+import waffle
+
 from django.utils.translation import ugettext as _
 from django.conf import settings
 
@@ -152,7 +154,10 @@ ${HTML(fragment.foot_html())}
 % endif
     <section class="course-content" id="course-content">
         <main id="main" tabindex="-1" aria-label="Content">
-            <div class="path"></div>
+            <div
+              class="path"
+              data-unified-course-view="${'true' if waffle.flag_is_active(request, 'unified_course_view') else 'false'}"
+            ></div>
             % if getattr(course, 'entrance_exam_enabled') and \
                getattr(course, 'entrance_exam_minimum_score_pct') and \
                entrance_exam_current_score is not UNDEFINED:

openedx/features/course_experience/templates/course_experience/course-outline-fragment.html

@@ -6,7 +6,7 @@
 from django.utils.translation import ugettext as _
 %>
 
-<%static:require_module_async module_name="js/courseware/course_outline_factory" class_name="CourseOutlineFactory">
+<%static:require_module_async module_name="course_experience/js/course_outline_factory" class_name="CourseOutlineFactory">
     CourseOutlineFactory('.block-tree');
 </%static:require_module_async>