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

chrome/browser/instant/instant_loader.h

 // 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.
 
 #ifndef CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 83 matching lines @@
   void Submit(const string16& text);
   void Cancel(const string16& text);
   void SetOmniboxBounds(const gfx::Rect& bounds);
   void SendAutocompleteResults(
       const std::vector<InstantAutocompleteResult>& results);
   void UpOrDownKeyPressed(int count);
   void SearchModeChanged(const chrome::search::Mode& mode);
   void SendThemeBackgroundInfo(const ThemeBackgroundInfo& theme_info);
   void SendThemeAreaHeight(int height);
   void SetDisplayInstantResults(bool display_instant_results);
+  void KeyCaptureChanged(bool is_key_capture_enabled);
 
  private:
   class WebContentsDelegateImpl;
 
   // Overridden from InstantClient::Delegate:
   virtual void SetSuggestions(
       const std::vector<InstantSuggestion>& suggestions) OVERRIDE;
   virtual void InstantSupportDetermined(bool supports_instant) OVERRIDE;
   virtual void ShowInstantPreview(InstantShownReason reason,
                                   int height,
@@ skipping 24 matching lines @@
   bool is_pointer_down_from_activate_;
   history::HistoryAddPageArgs last_navigation_;
 
   // Used to get notifications about renderers coming and going.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantLoader);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_LOADER_H_