Fix Bug 1497261 - Revert parameter rename

lib/ASRouter.jsm

@@ -892,7 +892,7 @@ class _ASRouter {
         UITour.showMenu(target.browser.ownerGlobal, action.data.args);
         break;
       case ra.INSTALL_ADDON_FROM_URL:
-        await MessageLoaderUtils.installAddonFromURL(target.browser, action.data.args);
+        await MessageLoaderUtils.installAddonFromURL(target.browser, action.data.url);
         break;
       case ra.SHOW_FIREFOX_ACCOUNTS:
         const url = await FxAccounts.config.promiseSignUpURI("snippets");

test/unit/asrouter/ASRouter.test.js

@@ -793,7 +793,7 @@ describe("ASRouter", () => {
   describe("#onMessage: INSTALL_ADDON_FROM_URL", () => {
     it("should call installAddonFromURL with correct arguments", async () => {
       sandbox.stub(MessageLoaderUtils, "installAddonFromURL").resolves(null);
-      const msg = fakeExecuteUserAction({type: "INSTALL_ADDON_FROM_URL", data: {args: "foo.com"}});
+      const msg = fakeExecuteUserAction({type: "INSTALL_ADDON_FROM_URL", data: {url: "foo.com"}});
 
       await Router.onMessage(msg);