Reimplement web content accessibility by caching in browser process

webkit/glue/webaccessibilitymanager.h

Index: webkit/glue/webaccessibilitymanager.h
===================================================================
--- webkit/glue/webaccessibilitymanager.h	(revision 46908)
+++ webkit/glue/webaccessibilitymanager.h	(working copy)
@@ -1,62 +0,0 @@
-// 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 WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_H_
-#define WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_H_
-
-#include "webkit/glue/webaccessibility.h"
-
-namespace WebKit {
-class WebAccessibilityObject;
-class WebView;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// WebAccessibilityManager
-//
-// Responds to incoming accessibility requests from the browser side. Retrieves
-// the requested information from the active AccessibilityObject, through the
-// GlueAccessibilityObject.
-////////////////////////////////////////////////////////////////////////////////
-namespace webkit_glue {
-
-class WebAccessibilityManager {
- public:
-  WebAccessibilityManager() {}
-  virtual ~WebAccessibilityManager() {}
-
-  // Creates a new instance of WebAccessibilityManager.
-  static WebAccessibilityManager* Create();
-
-  // Retrieves the accessibility information as requested in in_params, by
-  // calling into WebKit's AccessibilityObject. Maintains a hashmap of the
-  // currently active (browser side ref-count non-zero) instances. Returns true
-  // if successful, false otherwise.
-  virtual bool GetAccObjInfo(WebKit::WebView* view,
-      const WebAccessibility::InParams& in_params,
-      WebAccessibility::OutParams* out_params) = 0;
-
-  // Erases the entry identified by the [acc_obj_id] from the hash maps. If
-  // [clear_all] is true, all entries are erased. Returns true if successful,
-  // false otherwise.
-  virtual bool ClearAccObjMap(int acc_obj_id, bool clear_all) = 0;
-
-  // Retrieves the id of the input AccessibilityObject, due to a focus event.
-  // Returns an id greater than or equal to 0 if successful, -1 otherwise.
-  virtual int FocusAccObj(const WebKit::WebAccessibilityObject& object) = 0;
-
- private:
-  // Retrieves the RenderObject associated with this WebView, and uses it to
-  // initialize the root of the GlueAccessibilityObject tree with the
-  // associated accessibility information. Returns true if successful, false
-  // otherwise.
-  virtual bool InitAccObjRoot(WebKit::WebView* view) = 0;
-
-  DISALLOW_COPY_AND_ASSIGN(WebAccessibilityManager);
-};
-
-}  // namespace webkit_glue
-
-#endif  // WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_H_