Add initial tests for keyboard access (tabbing in some dialogs)....

views/views_delegate.h

 // Copyright (c) 2010 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 VIEWS_VIEWS_DELEGATE_H_
 #define VIEWS_VIEWS_DELEGATE_H_
 #pragma once
 
 #include <string>
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
+#include "views/accessibility/accessibility_types.h"
+
 class Clipboard;
 
 namespace gfx {
 class Rect;
 }
 
 namespace views {
 
+class View;
+
 // ViewsDelegate is an interface implemented by an object using the views
 // framework. It is used to obtain various high level application utilities
 // and perform some actions such as window placement saving.
 //
 // The embedding app must set views_delegate to assign its ViewsDelegate
 // implementation.
 class ViewsDelegate {
  public:
   virtual ~ViewsDelegate() {}
 
   // Gets the clipboard.
   virtual Clipboard* GetClipboard() const = 0;
 
   // Saves the position, size and maximized state for the window with the
   // specified name.
   virtual void SaveWindowPlacement(const std::wstring& window_name,
                                    const gfx::Rect& bounds,
                                    bool maximized) = 0;
 
   // Retrieves the saved position and size for the window with the specified
   // name.
   virtual bool GetSavedWindowBounds(const std::wstring& window_name,
                                     gfx::Rect* bounds) const = 0;
 
   // Retrieves the saved maximized state for the window with the specified
   // name.
   virtual bool GetSavedMaximizedState(const std::wstring& window_name,
                                       bool* maximized) const = 0;
 
+  // Notify the delegate that an accessibility event has happened in
+  // a particular view.
+  virtual void NotifyAccessibilityEvent(
+      views::View* view, AccessibilityTypes::Event event_type) = 0;
+
 #if defined(OS_WIN)
   // Retrieves the default window icon to use for windows if none is specified.
   virtual HICON GetDefaultWindowIcon() const = 0;
 #endif
 
   // AddRef/ReleaseRef are invoked while a menu is visible. They are used to
   // ensure we don't attempt to exit while a menu is showing.
   virtual void AddRef() = 0;
   virtual void ReleaseRef() = 0;
 
   // The active ViewsDelegate used by the views system.
   static ViewsDelegate* views_delegate;
 };
 
 }  // namespace views
 
 #endif  // VIEWS_VIEWS_DELEGATE_H_