Bug 921226 - Log during app install in App Manager. r=ochameau

browser/devtools/app-manager/content/projects.js

@@ -208,8 +208,10 @@ let UI = {
   },
 
   install: function(project) {
+    this.connection.log("Installing the " + project.manifest.name + " app...");
+    let installPromise;
     if (project.type == "packaged") {
-      return installPackaged(this.connection.client, this.listTabsResponse.webappsActor, project.location, project.packagedAppOrigin)
+      installPromise = installPackaged(this.connection.client, this.listTabsResponse.webappsActor, project.location, project.packagedAppOrigin)
         .then(({ appId }) => {
           // If the packaged app specified a custom origin override,
           // we need to update the local project origin
@@ -225,8 +227,16 @@ let UI = {
         origin: origin.spec,
         manifestURL: project.location
       };
-      return installHosted(this.connection.client, this.listTabsResponse.webappsActor, appId, metadata, project.manifest);
+      installPromise = installHosted(this.connection.client, this.listTabsResponse.webappsActor, appId, metadata, project.manifest);
     }
+
+    installPromise.then(() => {
+      this.connection.log("Install completed.");
+    }, () => {
+      this.connection.log("Install failed.");
+    });
+
+    return installPromise;
   },
 
   start: function(project) {