Adds MSAA/IAccessible exposure of web content.

chrome/renderer/render_view.h

 // Copyright (c) 2006-2008 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_RENDERER_RENDER_VIEW_H__
 #define CHROME_RENDERER_RENDER_VIEW_H__
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/scoped_handle.h"
 #include "base/gfx/point.h"
 #include "base/gfx/rect.h"
 #include "base/timer.h"
 #include "base/values.h"
 #include "chrome/common/resource_dispatcher.h"
 #ifdef CHROME_PERSONALIZATION
 #include "chrome/personalization/personalization.h"
 #endif
 #include "chrome/renderer/automation/dom_automation_controller.h"
 #include "chrome/renderer/dom_ui_bindings.h"
 #include "chrome/renderer/external_host_bindings.h"
 #include "chrome/renderer/external_js_object.h"
 #include "chrome/renderer/render_process.h"
 #include "chrome/renderer/render_widget.h"
 #include "webkit/glue/console_message_level.h"
 #include "webkit/glue/dom_serializer_delegate.h"
+#include "webkit/glue/glue_accessibility.h"
 #include "webkit/glue/webview_delegate.h"
 #include "webkit/glue/webview.h"
 
 // RenderView is a diamond-shaped hierarchy, with WebWidgetDelegate at the root.
 // VS warns when we inherit the WebWidgetDelegate method implementations from
 // RenderWidget.  It's safe to ignore that warning.
 #pragma warning(disable: 4250)
 
 class DebugMessageHandler;
 class GURL;
@@ skipping 372 matching lines @@
   void OnReservePageIDRange(int size_of_range);
 
   void OnDragSourceEndedOrMoved(
       int client_x, int client_y, int screen_x, int screen_y, bool ended);
   void OnDragSourceSystemDragEnded();
   void OnInstallMissingPlugin();
   void OnFileChooserResponse(const std::wstring& file_name);
   void OnEnableViewSourceMode();
   void OnUpdateBackForwardListCount(int back_list_count,
                                     int forward_list_count);
+  void OnGetAccessibilityInfo(const ViewMsg_Accessibility_In_Params& in_params,
+                              ViewHostMsg_Accessibility_Out_Params* out_params);
+  void OnClearAccessibilityInfo(int iaccessible_id, bool clear_all);
 
   // Checks if the RenderView should close, runs the beforeunload handler and
   // sends ViewMsg_ShouldClose to the browser.
   void OnMsgShouldClose();
 
   // Runs the onunload handler and closes the page, replying with ClosePage_ACK
   // (with the given RPH and request IDs, to help track the request).
   void OnClosePage(int new_render_process_host_id, int new_request_id);
 
   // Notification about ui theme changes.
@@ skipping 174 matching lines @@
 
   int history_back_list_count_;
   int history_forward_list_count_;
 
   // True if pop-up blocking is disabled.  False by default.
   bool disable_popup_blocking_;
 
   // True if the page has any frame-level unload or beforeunload listeners.
   bool has_unload_listener_;
 
+  // Handles accessibility requests into the renderer side, as well as
+  // maintains the cache and other features of the accessibility tree.
+  scoped_ptr<GlueAccessibility> glue_accessibility_;
+
   DISALLOW_EVIL_CONSTRUCTORS(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H__