Revert 135020 - Add initial GTK web accessibility framework.

content/browser/accessibility/browser_accessibility_manager_gtk.cc

-// 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.
-
-#include "content/browser/accessibility/browser_accessibility_manager_gtk.h"
-
-#include "content/browser/accessibility/browser_accessibility_gtk.h"
-#include "content/common/accessibility_messages.h"
-
-using webkit_glue::WebAccessibility;
-
-// static
-BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
-    gfx::NativeView parent_view,
-    const WebAccessibility& src,
-    BrowserAccessibilityDelegate* delegate,
-    BrowserAccessibilityFactory* factory) {
-  return new BrowserAccessibilityManagerGtk(
-      parent_view,
-      src,
-      delegate,
-      factory);
-}
-
-BrowserAccessibilityManagerGtk::BrowserAccessibilityManagerGtk(
-    GtkWidget* parent_view,
-    const WebAccessibility& src,
-    BrowserAccessibilityDelegate* delegate,
-    BrowserAccessibilityFactory* factory)
-    : BrowserAccessibilityManager(parent_view, src, delegate, factory) {
-}
-
-BrowserAccessibilityManagerGtk::~BrowserAccessibilityManagerGtk() {
-}
-
-void BrowserAccessibilityManagerGtk::NotifyAccessibilityEvent(
-    int type,
-    BrowserAccessibility* node) {
-  AtkObject* atk_object = node->ToBrowserAccessibilityGtk()->GetAtkObject();
-
-  switch (type) {
-    case AccessibilityNotificationChildrenChanged:
-      RecursivelySendChildrenChanged(GetRoot()->ToBrowserAccessibilityGtk());
-      break;
-    case AccessibilityNotificationFocusChanged:
-      // Note: atk_focus_tracker_notify may be deprecated in the future;
-      // follow this bug for the replacement:
-      // https://bugzilla.gnome.org/show_bug.cgi?id=649575#c4
-      g_signal_emit_by_name(atk_object, "focus-event", true);
-      atk_focus_tracker_notify(atk_object);
-      break;
-    default:
-      break;
-  }
-}
-
-void BrowserAccessibilityManagerGtk::RecursivelySendChildrenChanged(
-    BrowserAccessibilityGtk* node) {
-  AtkObject* atkObject = node->ToBrowserAccessibilityGtk()->GetAtkObject();
-  for (unsigned int i = 0; i < node->children().size(); ++i) {
-    BrowserAccessibilityGtk* child =
-        node->children()[i]->ToBrowserAccessibilityGtk();
-    g_signal_emit_by_name(atkObject,
-                          "children-changed::add",
-                          i,
-                          child->GetAtkObject());
-    RecursivelySendChildrenChanged(child);
-  }
-}