Delete the GTK+ port of Chrome.

content/browser/accessibility/browser_accessibility_manager_gtk.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.
-
-#ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
-#define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
-
-#include "content/browser/accessibility/browser_accessibility_manager.h"
-
-struct ViewHostMsg_AccessibilityNotification_Params;
-
-namespace content {
-class BrowserAccessibilityGtk;
-
-// Manages a tree of BrowserAccessibilityGtk objects.
-class CONTENT_EXPORT BrowserAccessibilityManagerGtk
-    : public BrowserAccessibilityManager {
- public:
-  BrowserAccessibilityManagerGtk(
-      GtkWidget* parent_widget,
-      const ui::AXNodeData& src,
-      BrowserAccessibilityDelegate* delegate,
-      BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
-
-  virtual ~BrowserAccessibilityManagerGtk();
-
-  static ui::AXNodeData GetEmptyDocument();
-
-  // BrowserAccessibilityManager methods
-  virtual void NotifyAccessibilityEvent(
-      ui::AXEvent event_type, BrowserAccessibility* node) OVERRIDE;
-
-  GtkWidget* parent_widget() { return parent_widget_; }
-
- private:
-  void RecursivelySendChildrenChanged(BrowserAccessibilityGtk* node);
-
-  GtkWidget* parent_widget_;
-
-  // Give BrowserAccessibilityManager::Create access to our constructor.
-  friend class BrowserAccessibilityManager;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerGtk);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_