diff --git a/browser/components/webextensions/ext-browserAction.js b/browser/components/webextensions/ext-browserAction.js
index 2c82ac701a..e370cb205a 100644
--- a/browser/components/webextensions/ext-browserAction.js
+++ b/browser/components/webextensions/ext-browserAction.js
@@ -76,6 +76,12 @@ function BrowserAction(options, extension) {
 
 BrowserAction.prototype = {
   build() {
+    let areas = {
+      navbar: CustomizableUI.AREA_NAVBAR,
+      menupanel: CustomizableUI.AREA_PANEL,
+      tabstrip: CustomizableUI.AREA_TABSTRIP,
+      personaltoolbar: CustomizableUI.AREA_BOOKMARKS,
+    };
     let widget = CustomizableUI.createWidget({
       id: this.id,
       viewId: this.viewId,
@@ -83,7 +89,8 @@ BrowserAction.prototype = {
       removable: true,
       label: this.defaults.title || this.extension.name,
       tooltiptext: this.defaults.title || "",
-      defaultArea: CustomizableUI.AREA_NAVBAR,
+      defaultArea: areas[this.extension.manifest.browser_action.default_area] ||
+                   CustomizableUI.AREA_NAVBAR,
 
       onBeforeCreated: document => {
         let view = document.createElementNS(XUL_NS, "panelview");
diff --git a/browser/components/webextensions/schemas/browser_action.json b/browser/components/webextensions/schemas/browser_action.json
index 1a7da956a1..854a3bebbf 100644
--- a/browser/components/webextensions/schemas/browser_action.json
+++ b/browser/components/webextensions/schemas/browser_action.json
@@ -31,6 +31,11 @@
               "browser_style": {
                 "type": "boolean",
                 "optional": true
+              },
+              "default_area": {
+                "type": "string",
+                "enum": ["navbar", "menupanel", "tabstrip", "personaltoolbar"],
+                "optional": true
               }
             },
             "optional": true
diff --git a/toolkit/components/webextensions/schemas/manifest.json b/toolkit/components/webextensions/schemas/manifest.json
index 636575dc04..291e668323 100644
--- a/toolkit/components/webextensions/schemas/manifest.json
+++ b/toolkit/components/webextensions/schemas/manifest.json
@@ -218,9 +218,12 @@
             "enum": [
               "alarms",
               "clipboardWrite",
+              "dns",
               "idle",
               "notifications",
+              "privacy",
               "storage"
+              ,"unlimitedStorage"
             ]
           },
           { "$ref": "MatchPattern" }