Remove a bunch of unused or never-set settings.

sky/engine/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1218 matching lines @@
         return;
     m_caretRectDirty = false;
 
     RenderObject* renderer = nullptr;
     LayoutRect newRect = localCaretRect(m_selection, PositionWithAffinity(m_selection.start(), m_selection.affinity()), renderer);
     Node* newNode = renderer ? renderer->node() : nullptr;
 
     if (!m_caretBlinkTimer.isActive() && newNode == m_previousCaretNode && newRect == m_previousCaretRect)
         return;
 
-    RenderView* view = m_frame->document()->renderView();
-    if (m_previousCaretNode && shouldRepaintCaret(view, m_previousCaretNode->isContentEditable()))
+    if (m_previousCaretNode && m_previousCaretNode->isContentEditable())
         invalidateLocalCaretRect(m_previousCaretNode.get(), m_previousCaretRect);
-    if (newNode && shouldRepaintCaret(view, newNode->isContentEditable()))
+    if (newNode && newNode->isContentEditable())
         invalidateLocalCaretRect(newNode, newRect);
 
     m_previousCaretNode = newNode;
     m_previousCaretRect = newRect;
 }
 
 void FrameSelection::paintCaret(GraphicsContext* context, const LayoutPoint& paintOffset, const LayoutRect& clipRect)
 {
     if (m_selection.isCaret() && m_shouldPaintCaret) {
         updateCaretRect(m_frame->document(), PositionWithAffinity(m_selection.start(), m_selection.affinity()));
@@ skipping 252 matching lines @@
     CaretBase::setCaretVisibility(visibility);
 
     updateAppearance();
 }
 
 bool FrameSelection::shouldBlinkCaret() const
 {
     if (!caretIsVisible() || !isCaret())
         return false;
 
-    if (m_frame->settings() && m_frame->settings()->caretBrowsingEnabled())
-        return false;
-
     Element* root = rootEditableElement();
     if (!root)
         return false;
 
     Element* focusedElement = root->document().focusedElement();
     if (!focusedElement)
         return false;
 
     return focusedElement->containsIncludingShadowDOM(m_selection.start().anchorNode());
 }
@@ skipping 23 matching lines @@
         return false;
     Widget* widget = toRenderWidget(renderer)->widget();
     return widget && widget->isFrameView();
 }
 
 void FrameSelection::setFocusedNodeIfNeeded()
 {
     if (isNone() || !isFocused())
         return;
 
-    bool caretBrowsing = m_frame->settings() && m_frame->settings()->caretBrowsingEnabled();
-    if (caretBrowsing) {
-        if (Element* anchor = enclosingAnchorElement(base())) {
-            m_frame->page()->focusController().setFocusedElement(anchor, m_frame);
-            return;
-        }
-    }
-
     if (Element* target = rootEditableElement()) {
         // Walk up the DOM tree to search for a node to focus.
         while (target) {
             // We don't want to set focus on a subframe when selecting in a parent frame,
             // so add the !isFrameElement check here. There's probably a better way to make this
             // work in the long term, but this is the safest fix at this time.
             if (target->isMouseFocusable() && !isFrameElement(target)) {
                 m_frame->page()->focusController().setFocusedElement(target, m_frame);
                 return;
             }
             target = target->parentOrShadowHostElement();
         }
         m_frame->document()->setFocusedElement(nullptr);
     }
-
-    if (caretBrowsing)
-        m_frame->page()->focusController().setFocusedElement(0, m_frame);
 }
 
 static String extractSelectedText(const FrameSelection& selection, TextIteratorBehavior behavior)
 {
     // We remove '\0' characters because they are not visibly rendered to the user.
     return plainText(selection.toNormalizedRange().get(), behavior).replace(0, "");
 }
 
 String FrameSelection::selectedText() const
 {
@@ skipping 167 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const blink::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif