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

chrome/browser/instant/instant_client.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_CLIENT_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_CLIENT_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 100 matching lines @@
 
   // Tells the page about the current theme background.
   void SendThemeBackgroundInfo(const ThemeBackgroundInfo& theme_info);
 
   // Tells the page about the current theme area height.
   void SendThemeAreaHeight(int height);
 
   // Tells the page whether it is allowed to display Instant results.
   void SetDisplayInstantResults(bool display_instant_results);
 
+  // Tells the page whether the browser is capturing user key strokes.
+  void KeyCaptureChanged(bool is_key_capture_enabled);
+
  private:
   // Overridden from content::WebContentsObserver:
   virtual void DidFinishLoad(
       int64 frame_id,
       const GURL& validated_url,
       bool is_main_frame,
       content::RenderViewHost* render_view_host) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
 
   void SetSuggestions(int page_id,
                       const std::vector<InstantSuggestion>& suggestions);
   void InstantSupportDetermined(int page_id, bool result);
   void ShowInstantPreview(int page_id,
                           InstantShownReason reason,
                           int height,
                           InstantSizeUnits units);
   void StartCapturingKeyStrokes(int page_id);
   void StopCapturingKeyStrokes(int page_id);
 
   Delegate* const delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantClient);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_CLIENT_H_