Remove a bunch of unused or never-set settings.

sky/engine/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1395 matching lines @@
         renderer->paint(info, childPoint);
         info.phase = PaintPhaseFloat;
         renderer->paint(info, childPoint);
         info.phase = PaintPhaseForeground;
         renderer->paint(info, childPoint);
         info.phase = PaintPhaseOutline;
         renderer->paint(info, childPoint);
     }
 }
 
-static inline bool caretBrowsingEnabled(const Frame* frame)
+static inline bool hasCursorCaret(const FrameSelection& selection, const RenderBlock* block)
 {
-    Settings* settings = frame->settings();
-    return settings && settings->caretBrowsingEnabled();
+    return selection.caretRenderer() == block && selection.hasEditableStyle();
 }
 
-static inline bool hasCursorCaret(const FrameSelection& selection, const RenderBlock* block, bool caretBrowsing)
+static inline bool hasDragCaret(const DragCaretController& dragCaretController, const RenderBlock* block)
 {
-    return selection.caretRenderer() == block && (selection.hasEditableStyle() || caretBrowsing);
-}
-
-static inline bool hasDragCaret(const DragCaretController& dragCaretController, const RenderBlock* block, bool caretBrowsing)
-{
-    return dragCaretController.caretRenderer() == block && (dragCaretController.isContentEditable() || caretBrowsing);
+    return dragCaretController.caretRenderer() == block && dragCaretController.isContentEditable();
 }
 
 bool RenderBlock::hasCaret() const
 {
-    bool caretBrowsing = caretBrowsingEnabled(frame());
-    return hasCursorCaret(frame()->selection(), this, caretBrowsing)
-        || hasDragCaret(frame()->page()->dragCaretController(), this, caretBrowsing);
+    return hasCursorCaret(frame()->selection(), this)
+        || hasDragCaret(frame()->page()->dragCaretController(), this);
 }
 
 void RenderBlock::paintCarets(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
-    bool caretBrowsing = caretBrowsingEnabled(frame());
-
     FrameSelection& selection = frame()->selection();
-    if (hasCursorCaret(selection, this, caretBrowsing)) {
+    if (hasCursorCaret(selection, this)) {
         selection.paintCaret(paintInfo.context, paintOffset, paintInfo.rect);
     }
 
     DragCaretController& dragCaretController = frame()->page()->dragCaretController();
-    if (hasDragCaret(dragCaretController, this, caretBrowsing)) {
+    if (hasDragCaret(dragCaretController, this)) {
         dragCaretController.paintDragCaret(frame(), paintInfo.context, paintOffset, paintInfo.rect);
     }
 }
 
 void RenderBlock::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     PaintPhase paintPhase = paintInfo.phase;
 
     // Adjust our painting position if we're inside a scrolled layer (e.g., an overflow:auto div).
     LayoutPoint scrolledOffset = paintOffset;
@@ skipping 1800 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink