Make RenderedRectsForMarkers() to ignore disconnected nodes.

third_party/WebKit/Source/core/dom/Range.cpp

Index: third_party/WebKit/Source/core/dom/Range.cpp
diff --git a/third_party/WebKit/Source/core/dom/Range.cpp b/third_party/WebKit/Source/core/dom/Range.cpp
index 304e806bad8f10962cec4d7f5806532a985743eb..c52f3a3aa5d849d047cc451bf3cb9c838fae5e8f 100644
--- a/third_party/WebKit/Source/core/dom/Range.cpp
+++ b/third_party/WebKit/Source/core/dom/Range.cpp
@@ -1443,34 +1443,7 @@ Node* Range::pastLastNode() const {
 }
 
 IntRect Range::boundingBox() const {
-  IntRect result;
-  Vector<IntRect> rects;
-  textRects(rects);
-  for (const IntRect& rect : rects)
-    result.unite(rect);
-  return result;
-}
-
-void Range::textRects(Vector<IntRect>& rects, bool useSelectionHeight) const {
-  Node* startContainer = m_start.container();
-  DCHECK(startContainer);
-  Node* endContainer = m_end.container();
-  DCHECK(endContainer);
-
-  Node* stopNode = pastLastNode();
-  for (Node* node = firstNode(); node != stopNode;
-       node = NodeTraversal::next(*node)) {
-    LayoutObject* r = node->layoutObject();
-    if (!r || !r->isText())
-      continue;
-    LayoutText* layoutText = toLayoutText(r);
-    unsigned startOffset = node == startContainer ? m_start.offset() : 0;
-    unsigned endOffset = node == endContainer
-                             ? m_end.offset()
-                             : std::numeric_limits<unsigned>::max();
-    layoutText->absoluteRectsForRange(rects, startOffset, endOffset,
-                                      useSelectionHeight);
-  }
+  return computeBoundingBox(EphemeralRange(this));
 }
 
 void Range::textQuads(Vector<FloatQuad>& quads, bool useSelectionHeight) const {