diff -r 000000000000 -r 6474c204b198 mobile/android/components/ContentDispatchChooser.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/components/ContentDispatchChooser.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,74 @@
+/* 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 Cu = Components.utils;
+const Cc = Components.classes;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/Messaging.jsm");
+
+function ContentDispatchChooser() {}
+
+ContentDispatchChooser.prototype =
+{
+  classID: Components.ID("5a072a22-1e66-4100-afc1-07aed8b62fc5"),
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentDispatchChooser]),
+
+  get protoSvc() {
+    delete this.protoSvc;
+    return this.protoSvc = Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(Ci.nsIExternalProtocolService);
+  },
+
+  _getChromeWin: function getChromeWin() {
+    try {
+      return Services.wm.getMostRecentWindow("navigator:browser");
+    } catch (e) {
+      throw Cr.NS_ERROR_FAILURE;
+    }
+  },
+
+  ask: function ask(aHandler, aWindowContext, aURI, aReason) {
+    let window = null;
+    try {
+      if (aWindowContext)
+        window = aWindowContext.getInterface(Ci.nsIDOMWindow);
+    } catch (e) { /* it's OK to not have a window */ }
+
+    // The current list is based purely on the scheme. Redo the query using the url to get more
+    // specific results.
+    aHandler = this.protoSvc.getProtocolHandlerInfoFromOS(aURI.spec, {});
+
+    // The first handler in the set is the Android Application Chooser (which will fall back to a default if one is set)
+    // If we have more than one option, let the OS handle showing a list (if needed).
+    if (aHandler.possibleApplicationHandlers.length > 1) {
+      aHandler.launchWithURI(aURI, aWindowContext);
+    } else {
+      let win = this._getChromeWin();
+      if (win && win.NativeWindow) {
+        let bundle = Services.strings.createBundle("chrome://browser/locale/handling.properties");
+        let failedText = bundle.GetStringFromName("protocol.failed");
+        let searchText = bundle.GetStringFromName("protocol.toast.search");
+
+        win.NativeWindow.toast.show(failedText, "long", {
+          button: {
+            label: searchText,
+            callback: function() {
+              let message = {
+                type: "Intent:Open",
+                url: "market://search?q=" + aURI.scheme,
+              };
+
+              sendMessageToJava(message);
+            }
+          }
+        });
+      }
+    }
+  },
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentDispatchChooser]);