Rename highlightSelectedFolds to highlightFoldsContainingBufferRange on Editor.

src/app/editor.coffee

@@ -305,13 +305,14 @@ class Editor extends View
     else
       @scrollTop() + @scrollView.height()
 
-  highlightSelectedFolds: ->
+  highlightFoldsContainingBufferRange: (bufferRange) ->
     screenLines = @screenLinesForRows(@firstRenderedScreenRow, @lastRenderedScreenRow)
     for screenLine, i in screenLines
       if fold = screenLine.fold
         screenRow = @firstRenderedScreenRow + i
         element = @lineElementForScreenRow(screenRow)
-        if @activeEditSession.selectionIntersectsBufferRange(fold.getBufferRange())
+
+        if bufferRange.intersectsWith(fold.getBufferRange())
           element.addClass('selected')
         else
           element.removeClass('selected')

src/app/selection-view.coffee

@@ -19,10 +19,9 @@ class SelectionView extends View
 
   updateAppearance: ->
     @clearRegions()
-
     range = @getScreenRange()
 
-    @editor.highlightSelectedFolds()
+    @editor.highlightFoldsContainingBufferRange(@getBufferRange())
     return if range.isEmpty()
 
     rowSpan = range.end.row - range.start.row
@@ -55,6 +54,9 @@ class SelectionView extends View
   getScreenRange: ->
     @selection.getScreenRange()
 
+  getBufferRange: ->
+    @selection.getBufferRange()
+
   remove: ->
     @editor.removeSelectionView(this)
     super