Get rid of redundant parameter PositionIsOffsetInAnchor from PositionAlgorithm constructor

Source/web/WebFrameWidgetImpl.cpp

Index: Source/web/WebFrameWidgetImpl.cpp
diff --git a/Source/web/WebFrameWidgetImpl.cpp b/Source/web/WebFrameWidgetImpl.cpp
index 3bde69ac0d9441140a93ce23ec954bd60279d4f4..d65c0f39a5255b8bbb10a0cd4c7bd30481840ccc 100644
--- a/Source/web/WebFrameWidgetImpl.cpp
+++ b/Source/web/WebFrameWidgetImpl.cpp
@@ -472,7 +472,7 @@ void WebFrameWidgetImpl::setFocus(bool enable)
                     // contentseditable DIVs. So we set the selection explicitly
                     // instead. Note that this has the side effect of moving the
                     // caret back to the beginning of the text.
-                    Position position(element, 0, Position::PositionIsOffsetInAnchor);
+                    Position position(element, 0);
                     localFrame->selection().setSelection(VisibleSelection(position, SEL_DEFAULT_AFFINITY));
                 }
             }