Introduce createRange(const EphemeralRange&)

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 263ba12f6687ca66842b49d3a1f48af99598472b..9dd1de88e29323a343b9ed150a9794c91e4c00f0 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1026,10 +1026,7 @@ PassRefPtrWillBeRawPtr<Range> Internals::rangeFromLocationAndLength(Element* sco
     // TextIterator depends on Layout information, make sure layout it up to date.
     scope->document().updateLayoutIgnorePendingStylesheets();
 
-    const EphemeralRange range = PlainTextRange(rangeLocation, rangeLocation + rangeLength).createRange(*scope);
-    if (range.isNull())
-        return nullptr;
-    return Range::create(range.document(), range.startPosition(), range.endPosition());
+    return createRange(PlainTextRange(rangeLocation, rangeLocation + rangeLength).createRange(*scope));
 }
 
 unsigned Internals::locationFromRange(Element* scope, const Range* range)