patch for mozbrowserafterkeydown in HM

hand.diff

diff --git a/js/app_window.js b/js/app_window.js
index 19e2bf9..2c84ec4 100644
--- a/js/app_window.js
+++ b/js/app_window.js
@@ -967,6 +967,12 @@
     }
   };
 
+  AppWindow.prototype.handleKeydown = function(evt) {
+    if (this.valueSelector && this.valueSelector.isShown()) {
+      this.valueSelector.handleKeydown(evt);
+    }
+  };
+
   AppWindow.prototype._handle_mozbrowservisibilitychange =
     function aw__handle_mozbrowservisibilitychange(evt) {
       var type = evt.detail.visible ? 'foreground' : 'background';
diff --git a/js/app_window_manager.js b/js/app_window_manager.js
index b25c3f3..075b41d 100644
--- a/js/app_window_manager.js
+++ b/js/app_window_manager.js
@@ -424,6 +424,18 @@
       this.service.request('unregisterHierarchy', this);
     },
 
+
+    '_handle_mozbrowserafterkeydown': function(evt) {
+      if (this._activeApp) {
+        this.debug(' Resizing ' + this._activeApp.name);
+        if (!this._activeApp.isTransitioning()) {
+          this._activeApp.getTopMostWindow().handleKeydown(evt);
+          return false;
+        }
+      }
+      return true;
+    },
+
     '_handle_system-resize': function(evt) {
       if (this._activeApp) {
         this.debug(' Resizing ' + this._activeApp.name);
diff --git a/js/hierarchy_manager.js b/js/hierarchy_manager.js
index fd79b2b..4286ae9 100644
--- a/js/hierarchy_manager.js
+++ b/js/hierarchy_manager.js
@@ -19,7 +19,8 @@
     'launchactivity',
     'mozChromeEvent',
     'windowopened',
-    'windowclosed'
+    'windowclosed',
+    'mozbrowserafterkeydown'
   ];
   BaseModule.create(HierarchyManager, {
     name: 'HierarchyManager',
@@ -169,6 +170,7 @@
         case 'launchactivity':
         case 'webapps-launch':
         case 'system-resize':
+        case 'mozbrowserafterkeydown':
           this.broadcast(evt);
           break;
         default: