diff -r 000000000000 -r 6474c204b198 mobile/android/components/ContentPermissionPrompt.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/components/ContentPermissionPrompt.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,120 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+const Cc = Components.classes;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+const kEntities = { "geolocation": "geolocation",
+                    "desktop-notification": "desktopNotification",
+                    "contacts": "contacts" };
+
+function ContentPermissionPrompt() {}
+
+ContentPermissionPrompt.prototype = {
+  classID: Components.ID("{C6E8C44D-9F39-4AF7-BCC0-76E38A8310F5}"),
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionPrompt]),
+
+  handleExistingPermission: function handleExistingPermission(request, type, isApp) {
+    let result = Services.perms.testExactPermissionFromPrincipal(request.principal, type);
+    if (result == Ci.nsIPermissionManager.ALLOW_ACTION) {
+      request.allow();
+      return true;
+    }
+    if (result == Ci.nsIPermissionManager.DENY_ACTION) {
+      request.cancel();
+      return true;
+    }
+
+    if (isApp && (result == Ci.nsIPermissionManager.UNKNOWN_ACTION && !!kEntities[type])) {
+      request.cancel();
+      return true;
+    }
+
+    return false;
+  },
+
+  getChromeWindow: function getChromeWindow(aWindow) {
+     let chromeWin = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
+                            .getInterface(Ci.nsIWebNavigation)
+                            .QueryInterface(Ci.nsIDocShellTreeItem)
+                            .rootTreeItem
+                            .QueryInterface(Ci.nsIInterfaceRequestor)
+                            .getInterface(Ci.nsIDOMWindow)
+                            .QueryInterface(Ci.nsIDOMChromeWindow);
+     return chromeWin;
+  },
+
+  getChromeForRequest: function getChromeForRequest(request) {
+    if (request.window) {
+      let requestingWindow = request.window.top;
+      return this.getChromeWindow(requestingWindow).wrappedJSObject;
+    }
+    return request.element.ownerDocument.defaultView;
+  },
+
+  prompt: function(request) {
+    let isApp = request.principal.appId !== Ci.nsIScriptSecurityManager.NO_APP_ID && request.principal.appId !== Ci.nsIScriptSecurityManager.UNKNOWN_APP_ID;
+
+    // Only allow exactly one permission rquest here.
+    let types = request.types.QueryInterface(Ci.nsIArray);
+    if (types.length != 1) {
+      request.cancel();
+      return;
+    }
+    let perm = types.queryElementAt(0, Ci.nsIContentPermissionType);
+
+    // Returns true if the request was handled
+    if (this.handleExistingPermission(request, perm.type, isApp))
+       return;
+
+    let chromeWin = this.getChromeForRequest(request);
+    let tab = chromeWin.BrowserApp.getTabForWindow(request.window.top);
+    if (!tab)
+      return;
+
+    let browserBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
+    let entityName = kEntities[perm.type];
+
+    let buttons = [{
+      label: browserBundle.GetStringFromName(entityName + ".allow"),
+      callback: function(aChecked) {
+        // If the user checked "Don't ask again", make a permanent exception
+        if (aChecked) {
+          Services.perms.addFromPrincipal(request.principal, perm.type, Ci.nsIPermissionManager.ALLOW_ACTION);
+        } else if (isApp || entityName == "desktopNotification") {
+          // Otherwise allow the permission for the current session (if the request comes from an app or if it's a desktop-notification request)
+          Services.perms.addFromPrincipal(request.principal, perm.type, Ci.nsIPermissionManager.ALLOW_ACTION, Ci.nsIPermissionManager.EXPIRE_SESSION);
+        }
+
+        request.allow();
+      }
+    },
+    {
+      label: browserBundle.GetStringFromName(entityName + ".dontAllow"),
+      callback: function(aChecked) {
+        // If the user checked "Don't ask again", make a permanent exception
+        if (aChecked)
+          Services.perms.addFromPrincipal(request.principal, perm.type, Ci.nsIPermissionManager.DENY_ACTION);
+
+        request.cancel();
+      }
+    }];
+
+    let requestor = chromeWin.BrowserApp.manifest ? "'" + chromeWin.BrowserApp.manifest.name + "'" : request.principal.URI.host;
+    let message = browserBundle.formatStringFromName(entityName + ".ask", [requestor], 1);
+    let options = { checkbox: browserBundle.GetStringFromName(entityName + ".dontAskAgain") };
+
+    chromeWin.NativeWindow.doorhanger.show(message, entityName + request.principal.URI.host, buttons, tab.id, options);
+  }
+};
+
+
+//module initialization
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentPermissionPrompt]);