Adds propagation and handling of render-side focus events, for the benefit of...

chrome/common/render_messages_internal.h

 // Copyright (c) 2009 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <string>
 #include <vector>
@@ skipping 388 matching lines @@
   IPC_SYNC_MESSAGE_ROUTED1_1(ViewMsg_GetAccessibilityInfo,
                              webkit_glue::WebAccessibility::InParams
                              /* input parameters */,
                              webkit_glue::WebAccessibility::OutParams
                              /* output parameters */)
 
   // Requests the renderer to clear cashed accessibility information. Takes an
   // id to clear a specific hashmap entry, and a bool; true clears all, false
   // does not.
   IPC_MESSAGE_ROUTED2(ViewMsg_ClearAccessibilityInfo,
-                      int  /* iaccessible_id */,
+                      int  /* accessibility object id */,
                       bool /* clear_all */)
 
   // Get all savable resource links from current webpage, include main
   // frame and sub-frame.
   IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
                       GURL /* url of page which is needed to save */)
 
   // Get html data by serializing all frames of current page with lists
   // which contain all resource links that have local copy.
   IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
@@ skipping 945 matching lines @@
   // Send a message to an extension process.  The handle is the value returned
   // by ViewHostMsg_OpenChannelToExtension.
   IPC_MESSAGE_ROUTED2(ViewHostMsg_ExtensionPostMessage,
                       int /* port_id */,
                       std::string /* message */)
 
   // Message to show a popup menu using native cocoa controls (Mac only).
   IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowPopup,
                       ViewHostMsg_ShowPopup_Params)
 
+  // Sent as a result of a focus change in the renderer (if accessibility is
+  // enabled), to notify the browser side that its accessibility focus needs to
+  // change as well. Takes the id of the accessibility object that now has
+  // focus.
+  IPC_MESSAGE_ROUTED1(ViewHostMsg_AccessibilityFocusChange,
+                      int /* accessibility object id */)
+
 IPC_END_MESSAGES(ViewHost)