Make inline blocks correctly update their line box selection state.

Source/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 2496 matching lines @@
 
     RenderObject* child = beforeBlock->lastChild();
     while (child && child->isRenderBlock()) {
         beforeBlock = toRenderBlock(child);
         offset += LayoutSize(beforeBlock->logicalLeft(), beforeBlock->logicalTop());
         child = beforeBlock->lastChild();
     }
     return beforeBlock;
 }
 
+void RenderBlock::setSelectionState(SelectionState state)
+{
+    RenderBox::setSelectionState(state);
+
+    if (inlineBoxWrapper() && canUpdateSelectionOnRootLineBoxes())
+        inlineBoxWrapper()->root().setHasSelectedChildren(state != SelectionNone);
+}
+
 void RenderBlock::insertIntoTrackedRendererMaps(RenderBox* descendant, TrackedDescendantsMap*& descendantsMap, TrackedContainerMap*& containerMap)
 {
     if (!descendantsMap) {
         descendantsMap = new TrackedDescendantsMap;
         containerMap = new TrackedContainerMap;
     }
 
     TrackedRendererListHashSet* descendantSet = descendantsMap->get(this);
     if (!descendantSet) {
         descendantSet = new TrackedRendererListHashSet;
@@ skipping 2476 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 WebCore