Make DOMSelection cache Range

third_party/WebKit/Source/core/editing/FrameSelection.cpp

Index: third_party/WebKit/Source/core/editing/FrameSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.cpp b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
index 910761ef47f3c5e967e9854973470d372b4ae3ad..10a702562f5f21f4b2e96cf80b2d4582bd1f1942 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -1428,6 +1428,18 @@ bool FrameSelection::isCaretBlinkingSuspended() const {
   return m_frameCaret->isCaretBlinkingSuspended();
 }
 
+void FrameSelection::cacheRangeOfDocument(Range* range) {
+  m_selectionEditor->cacheRangeOfDocument(range);
+}
+
+Range* FrameSelection::documentCachedRange() const {
+  return m_selectionEditor->documentCachedRange();
+}
+
+void FrameSelection::clearDocumentCachedRange() {
+  m_selectionEditor->clearDocumentCachedRange();
+}
+
 }  // namespace blink
 
 #ifndef NDEBUG