Instant API: tell page whether the browser is capturing key strokes.

chrome/renderer/resources/extensions/searchbox_api.js

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var chrome;
 if (!chrome)
   chrome = {};
 if (!chrome.searchBox) {
   chrome.searchBox = new function() {
     var safeObjects = {};
@@ skipping 24 matching lines @@
     native function GetSelectionEnd();
     native function GetX();
     native function GetY();
     native function GetWidth();
     native function GetHeight();
     native function GetAutocompleteResults();
     native function GetContext();
     native function GetDisplayInstantResults();
     native function GetThemeBackgroundInfo();
     native function GetThemeAreaHeight();
+    native function IsKeyCaptureEnabled();
     native function NavigateContentWindow();
     native function SetSuggestions();
     native function SetQuerySuggestion();
     native function SetQuerySuggestionFromAutocompleteResult();
     native function SetQuery();
     native function SetQueryFromAutocompleteResult();
     native function Show();
     native function StartCapturingKeyStrokes();
     native function StopCapturingKeyStrokes();
 
@@ skipping 135 matching lines @@
     // =========================================================================
     this.__defineGetter__('value', GetQuery);
     this.__defineGetter__('verbatim', GetVerbatim);
     this.__defineGetter__('selectionStart', GetSelectionStart);
     this.__defineGetter__('selectionEnd', GetSelectionEnd);
     this.__defineGetter__('x', GetX);
     this.__defineGetter__('y', GetY);
     this.__defineGetter__('width', GetWidth);
     this.__defineGetter__('height', GetHeight);
     this.__defineGetter__('nativeSuggestions', GetAutocompleteResultsWrapper);
+    this.__defineGetter__('isKeyCaptureEnabled', IsKeyCaptureEnabled);
     this.__defineGetter__('context', GetContext);
     this.__defineGetter__('displayInstantResults', GetDisplayInstantResults);
     this.__defineGetter__('themeBackgroundInfo', GetThemeBackgroundInfo);
     this.__defineGetter__('themeAreaHeight', GetThemeAreaHeight);
     this.setSuggestions = function(text) {
       SetSuggestions(text);
     };
     this.setAutocompleteText = function(text, behavior) {
       SetQuerySuggestion(text, behavior);
     };
@@ skipping 20 matching lines @@
     };
     this.stopCapturingKeyStrokes = function() {
       StopCapturingKeyStrokes();
     };
     this.onchange = null;
     this.onsubmit = null;
     this.oncancel = null;
     this.onresize = null;
     this.onautocompleteresults = null;
     this.onkeypress = null;
+    this.onkeycapturechange = null;
     this.oncontextchange = null;
   };
 }