Issue 4580 - Replace ext.backgroundPage.sendMessage with runtime.sendMessage

desktop-options.js

Index: desktop-options.js
===================================================================
--- a/desktop-options.js
+++ b/desktop-options.js
@@ -45,17 +45,17 @@
       let lastArg = paramValues[paramValues.length - 1];
       if (typeof lastArg == "function")
         callback = lastArg;
 
       for (let i = 0; i < paramValues.length - (callback ? 1 : 0); i++)
         message[paramKeys[i]] = paramValues[i];
     }
 
-    ext.backgroundPage.sendMessage(message, callback);
+    chrome.runtime.sendMessage(message, callback);
   };
 }
 
 const getDocLink = wrapper({type: "app.get", what: "doclink"}, "link");
 const getInfo = wrapper({type: "app.get"}, "what");
 const getPref = wrapper({type: "prefs.get"}, "key");
 const togglePref = wrapper({type: "prefs.toggle"}, "key");
 const getSubscriptions = wrapper({type: "subscriptions.get"},
@@ -156,30 +156,30 @@
   });
   getPref("notifications_showui", showNotificationsUI =>
   {
     if (!showNotificationsUI)
       document.getElementById("shouldShowNotificationsContainer").hidden = true;
   });
 
   // Register listeners in the background message responder
-  ext.backgroundPage.sendMessage({
+  chrome.runtime.sendMessage({
     type: "app.listen",
     filter: ["addSubscription", "focusSection"]
   });
-  ext.backgroundPage.sendMessage({
+  chrome.runtime.sendMessage({
     type: "filters.listen",
     filter: ["added", "loaded", "removed"]
   });
-  ext.backgroundPage.sendMessage({
+  chrome.runtime.sendMessage({
     type: "prefs.listen",
     filter: ["notifications_ignoredcategories", "notifications_showui",
              "show_devtools_panel", "shouldShowBlockElementMenu"]
   });
-  ext.backgroundPage.sendMessage({
+  chrome.runtime.sendMessage({
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
              "title", "downloadStatus", "downloading"]
   });
 
   // Load recommended subscriptions
   loadRecommendations();