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

devtools-panel.js

Index: devtools-panel.js
===================================================================
--- a/devtools-panel.js
+++ b/devtools-panel.js
@@ -14,17 +14,17 @@
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 let lastFilterQuery = null;
 
-ext.backgroundPage.sendMessage({type: "types.get"},
+chrome.runtime.sendMessage({type: "types.get"},
   (filterTypes) =>
   {
     let filterTypesElem = document.getElementById("filter-type");
     let filterStyleElem = document.createElement("style");
     for (let type of filterTypes)
     {
       filterStyleElem.innerHTML +=
         `#items[data-filter-type=${type}] tr:not([data-type=${type}])` +
@@ -62,17 +62,17 @@
 {
   let button = document.createElement("span");
 
   button.textContent = label;
   button.classList.add("action");
 
   button.addEventListener("click", () =>
   {
-    ext.backgroundPage.sendMessage({
+    chrome.runtime.sendMessage({
       type: "filters." + action,
       text: filter
     });
   }, false);
 
   return button;
 }