Remove a bunch of unused or never-set settings.

sky/engine/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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
@@ skipping 316 matching lines @@
     return false;
 }
 
 bool FocusController::advanceFocusInDocumentOrder(FocusType type, bool initialFocus)
 {
     LocalFrame* frame = focusedOrMainFrame();
     ASSERT(frame);
     Document* document = frame->document();
 
     Node* currentNode = document->focusedElement();
-    // FIXME: Not quite correct when it comes to focus transitions leaving/entering the WebView itself
-    bool caretBrowsing = frame->settings() && frame->settings()->caretBrowsingEnabled();
-
-    if (caretBrowsing && !currentNode)
-        currentNode = frame->selection().start().deprecatedNode();
 
     document->updateLayoutIgnorePendingStylesheets();
 
     RefPtrWillBeRawPtr<Node> node = findFocusableNodeAcrossFocusScope(type, FocusNavigationScope::focusNavigationScopeOf(currentNode ? currentNode : document), currentNode);
 
     if (!node) {
         // We didn't find a node to focus, so we should try to pass focus to Chrome.
         if (!initialFocus && m_page->chrome().canTakeFocus(type)) {
             document->setFocusedElement(nullptr);
             setFocusedFrame(nullptr);
@@ skipping 26 matching lines @@
     // and HTMLTextAreaElement) do extra work in their focus() methods.
     Document& newDocument = element->document();
 
     if (&newDocument != document) {
         // Focus is going away from this document, so clear the focused node.
         document->setFocusedElement(nullptr);
     }
 
     setFocusedFrame(newDocument.frame());
 
-    if (caretBrowsing) {
-        Position position = firstPositionInOrBeforeNode(element);
-        VisibleSelection newSelection(position, position, DOWNSTREAM);
-        frame->selection().setSelection(newSelection);
-    }
-
     element->focus(false, type);
     return true;
 }
 
 Node* FocusController::findFocusableNodeAcrossFocusScope(FocusType type, FocusNavigationScope scope, Node* currentNode)
 {
     ASSERT(!currentNode || !isNonFocusableShadowHost(currentNode));
     Node* found;
     if (currentNode && type == FocusTypeForward && isKeyboardFocusableShadowHost(currentNode)) {
         Node* foundInInnerFocusScope = findFocusableNodeRecursively(type, FocusNavigationScope::ownedByShadowHost(currentNode), 0);
@@ skipping 211 matching lines @@
 {
     if (m_isActive == active)
         return;
 
     m_isActive = active;
 
     focusedOrMainFrame()->selection().pageActivationChanged();
 }
 
 } // namespace blink