Bug 985614- Trigger onsuccess for package install from marketplace. r=myk

dom/apps/src/Webapps.jsm

@@ -2529,7 +2529,9 @@ this.DOMApplicationRegistry = {
     yield this._saveApps();
 
     this.broadcastMessage("Webapps:AddApp", { id: id, app: appObject });
-    if (aData.isPackage && aData.autoInstall) {
+
+    // The presence of a requestID means that we have a page to update.
+    if (aData.isPackage && aData.apkInstall && !aData.requestID) {
       // Skip directly to onInstallSuccessAck, since there isn't
       // a WebappsRegistry to receive Webapps:Install:Return:OK and respond
       // Webapps:Install:Return:Ack when an app is being auto-installed.

mobile/android/modules/WebappManager.jsm

@@ -248,8 +248,8 @@ this.WebappManager = {
     message.app.manifest = aData.manifest;
     message.app.apkPackageName = aData.apkPackageName;
     message.profilePath = aData.profilePath;
-    message.autoInstall = true;
     message.mm = mm;
+    message.apkInstall = true;
 
     DOMApplicationRegistry.registryReady.then(() => {
       switch (aData.type) { // can be hosted or packaged.