[Fixed Position] Allow views to populate toolbar

Add a toolbar representer to share enough scope that
views become capable of populating toolbars. Needed
for toolbar of fixed position view, WTD-615.

platform/commonUI/edit/res/templates/edit-object.html

@@ -2,13 +2,20 @@
                     mct-object="domainObject"
                     ng-model="representation">
 </mct-representation>
-<div class="holder edit-area outline abs">
+<div class="holder edit-area outline abs"
-    <!-- edit toolbar goes here -->
+     ng-init="toolbar = {}">
+
+    <mct-toolbar name="mctToolbar"
+                 structure="toolbar.structure"
+                 ng-model="toolbar.state">
+    </mct-toolbar>
+
     <div class='split-layout vertical contents abs work-area'>
         <div class='abs pane left edit-main'>
             <div class='holder abs object-holder'>
                 <mct-representation key="representation.selected.key"
-                                    mct-object="domainObject">
+                                    toolbar="toolbar"
+                                    mct-object="representation.selected.key && domainObject">
                 </mct-representation>
             </div>
         </div>

platform/commonUI/edit/src/ToolbarRepresenter.js

@@ -0,0 +1,37 @@
+/*global define*/
+
+define(
+    [],
+    function () {
+
+        function ToolbarRepresenter(scope, element, attrs) {
+            var parent = scope.$parent;
+
+            function represent(domainObject, representation) {
+                // New domain object, clear out the tool bar
+                parent.toolbar = {};
+                scope.toolbar = parent.toolbar;
+            }
+
+            return {
+                /**
+                 * Set the current representation in use, and the domain
+                 * object being represented.
+                 *
+                 * @param {RepresentationDefinition} representation the
+                 *        definition of the representation in use
+                 * @param {DomainObject} domainObject the domain object
+                 *        being represented
+                 */
+                represent: represent,
+                /**
+                 * Release any resources associated with this representer.
+                 */
+                destroy: function () {}
+            };
+        }
+
+        return ToolbarRepresenter;
+
+    }
+);