[Editing] Modify mostForward/BackwardCaretPosition naming confusion.

Source/core/editing/VisibleUnits.cpp

Index: Source/core/editing/VisibleUnits.cpp
diff --git a/Source/core/editing/VisibleUnits.cpp b/Source/core/editing/VisibleUnits.cpp
index 13d9ae5c497294c5cbd774f84df8bf78f73c9519..fe7075cefb30b5709fa99c4d7d151b142e1f7203 100644
--- a/Source/core/editing/VisibleUnits.cpp
+++ b/Source/core/editing/VisibleUnits.cpp
@@ -1697,7 +1697,7 @@ static bool isStreamer(const PositionIteratorAlgorithm<Strategy>& pos)
 }
 
 template <typename Strategy>
-static PositionAlgorithm<Strategy> mostForwardCaretPosition(const PositionAlgorithm<Strategy>& position, EditingBoundaryCrossingRule rule)
+static PositionAlgorithm<Strategy> mostBackwardCaretPosition(const PositionAlgorithm<Strategy>& position, EditingBoundaryCrossingRule rule)
 {
     TRACE_EVENT0("blink", "Position::upstream");
 
@@ -1813,18 +1813,18 @@ static PositionAlgorithm<Strategy> mostForwardCaretPosition(const PositionAlgori
     return lastVisible.deprecatedComputePosition();
 }
 
-Position mostForwardCaretPosition(const Position& position, EditingBoundaryCrossingRule rule)
+Position mostBackwardCaretPosition(const Position& position, EditingBoundaryCrossingRule rule)
 {
-    return mostForwardCaretPosition<EditingStrategy>(position, rule);
+    return mostBackwardCaretPosition<EditingStrategy>(position, rule);
 }
 
-PositionInComposedTree mostForwardCaretPosition(const PositionInComposedTree& position, EditingBoundaryCrossingRule rule)
+PositionInComposedTree mostBackwardCaretPosition(const PositionInComposedTree& position, EditingBoundaryCrossingRule rule)
 {
-    return mostForwardCaretPosition<EditingInComposedTreeStrategy>(position, rule);
+    return mostBackwardCaretPosition<EditingInComposedTreeStrategy>(position, rule);
 }
 
 template <typename Strategy>
-PositionAlgorithm<Strategy> mostBackwardCaretPosition(const PositionAlgorithm<Strategy>& position, EditingBoundaryCrossingRule rule)
+PositionAlgorithm<Strategy> mostForwardCaretPosition(const PositionAlgorithm<Strategy>& position, EditingBoundaryCrossingRule rule)
 {
     TRACE_EVENT0("blink", "Position::downstream");
 
@@ -1942,14 +1942,14 @@ PositionAlgorithm<Strategy> mostBackwardCaretPosition(const PositionAlgorithm<St
     return lastVisible.deprecatedComputePosition();
 }
 
-Position mostBackwardCaretPosition(const Position& position, EditingBoundaryCrossingRule rule)
+Position mostForwardCaretPosition(const Position& position, EditingBoundaryCrossingRule rule)
 {
-    return mostBackwardCaretPosition<EditingStrategy>(position, rule);
+    return mostForwardCaretPosition<EditingStrategy>(position, rule);
 }
 
-PositionInComposedTree mostBackwardCaretPosition(const PositionInComposedTree& position, EditingBoundaryCrossingRule rule)
+PositionInComposedTree mostForwardCaretPosition(const PositionInComposedTree& position, EditingBoundaryCrossingRule rule)
 {
-    return mostBackwardCaretPosition<EditingInComposedTreeStrategy>(position, rule);
+    return mostForwardCaretPosition<EditingInComposedTreeStrategy>(position, rule);
 }
 
 }