Bug 1486630 - Remove _manifestURI field and handling of the MozApplicationManifest message. r=mconley

Remove the _manifestURI field and handling of the MozApplicationManifest message.

Differential Revision: https://phabricator.services.mozilla.com/D5336

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

browser/actors/OfflineAppsChild.jsm

@@ -32,15 +32,6 @@ class OfflineAppsChild extends ActorChild {
 
   handleEvent(event) {
     if (event.type == "MozApplicationManifest") {
-      let doc = event.target;
-      let info = {
-        uri: doc.documentURI,
-        characterSet: doc.characterSet,
-        manifest: doc.documentElement.getAttribute("manifest"),
-        principal: doc.nodePrincipal,
-      };
-      this.mm.sendAsyncMessage("MozApplicationManifest", info);
-
       this.offlineAppRequested(event.originalTarget.defaultView);
     }
   }

devtools/client/responsive.html/browser/tunnel.js

@@ -34,7 +34,6 @@ const SWAPPED_BROWSER_STATE = [
   "_textZoom",
   "_isSyntheticDocument",
   "_innerWindowID",
-  "_manifestURI",
 ];
 
 /**

toolkit/content/widgets/browser.xml

@@ -1360,7 +1360,6 @@
               "_textZoom",
               "_isSyntheticDocument",
               "_innerWindowID",
-              "_manifestURI",
             ]);
           }
 

toolkit/content/widgets/remote-browser.xml

@@ -400,7 +400,6 @@
           this.messageManager.addMessageListener("FullZoomChange", this);
           this.messageManager.addMessageListener("TextZoomChange", this);
           this.messageManager.addMessageListener("ZoomChangeUsingMouseWheel", this);
-          this.messageManager.addMessageListener("MozApplicationManifest", this);
 
           // browser-child messages, such as Content:LocationChange, are handled in
           // RemoteWebProgress, ensure it is loaded and ready.
@@ -529,10 +528,6 @@
               break;
             }
 
-            case "MozApplicationManifest":
-              this._manifestURI = aMessage.data.manifest;
-              break;
-
             default:
               // Delegate to browser.xml.
               return this._receiveMessage(aMessage);