Deprecate UnlinkedVariable.visibleOffset/Length.

pkg/analyzer/lib/src/dart/element/element.dart

Index: pkg/analyzer/lib/src/dart/element/element.dart
diff --git a/pkg/analyzer/lib/src/dart/element/element.dart b/pkg/analyzer/lib/src/dart/element/element.dart
index 54486303c1ad706ea1b4ce9767d92d98d0a9e6eb..40beaa61444d47554e7839e4975f45907ddd87f3 100644
--- a/pkg/analyzer/lib/src/dart/element/element.dart
+++ b/pkg/analyzer/lib/src/dart/element/element.dart
@@ -6306,13 +6306,6 @@ class LocalVariableElementImpl extends NonParameterVariableElementImpl
 
   @override
   SourceRange get visibleRange {
-    if (_unlinkedVariable != null) {
-      if (_unlinkedVariable.visibleLength == 0) {
-        return null;
-      }
-      return new SourceRange(
-          _unlinkedVariable.visibleOffset, _unlinkedVariable.visibleLength);
-    }
     if (_visibleRangeLength < 0) {
       return null;
     }
@@ -6339,7 +6332,6 @@ class LocalVariableElementImpl extends NonParameterVariableElementImpl
    * [offset] with the given [length].
    */
   void setVisibleRange(int offset, int length) {
-    _assertNotResynthesized(_unlinkedVariable);
     _visibleRangeOffset = offset;
     _visibleRangeLength = length;
   }