'Inline Method' refactoring.

pkg/analysis_server/lib/src/services/correction/source_range.dart

Index: pkg/analysis_server/lib/src/services/correction/source_range.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/source_range.dart b/pkg/analysis_server/lib/src/services/correction/source_range.dart
index 9ed3438ff8d579784cd684c1ea4398f495137f2c..f7117ae7b7a9bfd3bf2e79dbecce8e859e398f05 100644
--- a/pkg/analysis_server/lib/src/services/correction/source_range.dart
+++ b/pkg/analysis_server/lib/src/services/correction/source_range.dart
@@ -36,6 +36,15 @@ SourceRange rangeError(AnalysisError error) {
   return new SourceRange(error.offset, error.length);
 }
 
+/**
+ * Returns the [SourceRange] of [r] with offset from the given [base].
+ */
+SourceRange rangeFromBase(SourceRange r, int base) {
+  int start = r.offset - base;
+  int length = r.length;
+  return rangeStartLength(start, length);
+}
+
 SourceRange rangeNode(AstNode node) {
   return new SourceRange(node.offset, node.length);
 }