Add accessibilityEnabled and inlineTextBoxAccessiblityEnabled to Settings, but don't use them yet.

public/web/WebFrame.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 135 matching lines @@
 
     // For a WebFrame with contents being rendered in another process, this
     // sets a layer for use by the in-process compositor. WebLayer should be
     // null if the content is being rendered in the current process.
     virtual void setRemoteWebLayer(WebLayer*) = 0;
 
     // Initializes the various client interfaces.
     virtual void setPermissionClient(WebPermissionClient*) = 0;
     virtual void setSharedWorkerRepositoryClient(WebSharedWorkerRepositoryClient*) = 0;
 
-
     // Geometry -----------------------------------------------------------
 
     // NOTE: These routines do not force page layout so their results may
     // not be accurate if the page layout is out-of-date.
 
     // If set to false, do not draw scrollbars on this frame's view.
     virtual void setCanHaveScrollbars(bool) = 0;
 
     // The scroll offset from the top-left corner of the frame in pixels.
     virtual WebSize scrollOffset() const = 0;
     virtual void setScrollOffset(const WebSize&) = 0;
 
     // The minimum and maxium scroll positions in pixels.
     virtual WebSize minimumScrollOffset() const = 0;
     virtual WebSize maximumScrollOffset() const = 0;
 
     // The size of the contents area.
     virtual WebSize contentsSize() const = 0;
 
     // Returns true if the contents (minus scrollbars) has non-zero area.
     virtual bool hasVisibleContent() const = 0;
 
     // Returns the visible content rect (minus scrollbars, in absolute coordinate)
     virtual WebRect visibleContentRect() const = 0;
 
     virtual bool hasHorizontalScrollbar() const = 0;
     virtual bool hasVerticalScrollbar() const = 0;
 
-
     // Hierarchy ----------------------------------------------------------
 
     // Returns the containing view.
     virtual WebView* view() const = 0;
 
     // Returns the frame that opened this frame or 0 if there is none.
     BLINK_EXPORT WebFrame* opener() const;
 
     // Sets the frame that opened this one or 0 if there is none.
     virtual void setOpener(WebFrame*);
@@ skipping 498 matching lines @@
     WebPrivateOwnPtr<OpenedFrameTracker> m_openedFrameTracker;
 };
 
 #if BLINK_IMPLEMENTATION
 Frame* toCoreFrame(const WebFrame*);
 #endif
 
 } // namespace blink
 
 #endif