Bug 1555236 - Implement Send Report subview stub. r=johannh

Differential Revision: https://phabricator.services.mozilla.com/D34519

--HG--
extra : moz-landing-system : lando

browser/base/content/browser-siteProtections.js

@@ -264,4 +264,8 @@ var gProtectionsHandler = {
   showSiteNotWorkingView() {
     this._protectionsPopupMultiView.showSubView("protections-popup-siteNotWorkingView");
   },
+
+  showSendReportView() {
+    this._protectionsPopupMultiView.showSubView("protections-popup-sendReportView");
+  },
 };

browser/components/controlcenter/content/protectionsPanel.inc.xul

@@ -101,5 +101,14 @@
             class="text-link">Send Report</label>
         </hbox>
     </panelview>
+
+
+    <!-- Send Report SubView -->
+    <panelview id="protections-popup-sendReportView"
+               title="Send Report"
+               descriptionheightworkaround="true"
+               flex="1">
+        <label>Under Construction</label>
+    </panelview>
   </panelmultiview>
 </panel>