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

chrome/common/render_messages.h

 // Copyright (c) 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.
 
 // Multiply-included file, no traditional include guard.
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 311 matching lines @@
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxSetDisplayInstantResults,
                     bool /* display_instant_results */)
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxThemeChanged,
                     ThemeBackgroundInfo /* value */)
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxThemeAreaHeightChanged,
                     int /* height */)
 
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxKeyCaptureChanged,
+                    bool /* is_key_capture_enabled */)
+
 // Toggles visual muting of the render view area. This is on when a constrained
 // window is showing.
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetVisuallyDeemphasized,
                     bool /* deemphazied */)
 
 // Tells the renderer to translate the page contents from one language to
 // another.
 IPC_MESSAGE_ROUTED4(ChromeViewMsg_TranslatePage,
                     int /* page id */,
                     std::string, /* the script injected in the page */
@@ skipping 346 matching lines @@
 // previous SetCookie message to be processed.
 IPC_SYNC_MESSAGE_ROUTED2_1(ChromeViewHostMsg_GetCookies,
                            GURL /* url */,
                            GURL /* first_party_for_cookies */,
                            std::string /* cookies */)
 
 // Provide the browser process with current renderer framerate.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_FPS,
                      int /* routing id */,
                      float /* frames per second */)