Make makeSearchRange() in VisibleSelection to handle BeforeAnchor and AfterAnchor position type

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

Index: third_party/WebKit/Source/core/editing/VisibleSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleSelection.cpp b/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
index 0fe46f85336be16229ab5af3fc49cd081a99a77f..16e1ebd73ce8071fbeea9747e67769126d56093e 100644
--- a/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleSelection.cpp
@@ -182,7 +182,7 @@ VisibleSelectionTemplate<Strategy>::toNormalizedEphemeralRange() const {
 template <typename Strategy>
 static EphemeralRangeTemplate<Strategy> makeSearchRange(
     const PositionTemplate<Strategy>& pos) {
-  Node* node = pos.anchorNode();
+  Node* node = pos.computeContainerNode();
   if (!node)
     return EphemeralRangeTemplate<Strategy>();
   Document& document = node->document();