Let Selection.collapse remember a raw Position instead of a canonicalized one.

Source/core/editing/EditorCommand.cpp

Index: Source/core/editing/EditorCommand.cpp
diff --git a/Source/core/editing/EditorCommand.cpp b/Source/core/editing/EditorCommand.cpp
index fb8e79ac89f15306bfb0552052fb622fb8c25f2b..b88e577a4258ced1f67923b988f928e3325d80c1 100644
--- a/Source/core/editing/EditorCommand.cpp
+++ b/Source/core/editing/EditorCommand.cpp
@@ -219,7 +219,7 @@ static bool expandSelectionToGranularity(LocalFrame& frame, TextGranularity gran
     if (newRange->collapsed())
         return false;
     EAffinity affinity = frame.selection().affinity();
-    frame.selection().setSelectedRange(newRange.get(), affinity, FrameSelection::CloseTyping);
+    frame.selection().setSelectedRange(newRange.get(), affinity, false, FrameSelection::CloseTyping);
     return true;
 }
 
@@ -381,7 +381,7 @@ static bool executeDeleteToMark(LocalFrame& frame, Event*, EditorCommandSource,
 {
     RefPtrWillBeRawPtr<Range> mark = frame.editor().mark().toNormalizedRange();
     if (mark) {
-        bool selected = frame.selection().setSelectedRange(unionDOMRanges(mark.get(), frame.editor().selectedRange().get()).get(), DOWNSTREAM, FrameSelection::CloseTyping);
+        bool selected = frame.selection().setSelectedRange(unionDOMRanges(mark.get(), frame.editor().selectedRange().get()).get(), DOWNSTREAM, false, FrameSelection::CloseTyping);
         ASSERT(selected);
         if (!selected)
             return false;
@@ -1031,7 +1031,7 @@ static bool executeSelectToMark(LocalFrame& frame, Event*, EditorCommandSource,
     RefPtrWillBeRawPtr<Range> selection = frame.editor().selectedRange();
     if (!mark || !selection)
         return false;
-    frame.selection().setSelectedRange(unionDOMRanges(mark.get(), selection.get()).get(), DOWNSTREAM, FrameSelection::CloseTyping);
+    frame.selection().setSelectedRange(unionDOMRanges(mark.get(), selection.get()).get(), DOWNSTREAM, false, FrameSelection::CloseTyping);
     return true;
 }