'Inline Method' refactoring

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java
index a2271beae79800316c974c8387636d3ef738782f..69607c79b83a75e81b013dca87c4772a2fc9e029 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/SourceRangeFactory.java
@@ -111,6 +111,10 @@ public class SourceRangeFactory {
     return new SourceRangeImpl(start, length);
   }
 
+  public static SourceRange forStartLength(SourceRange a, int length) {
+    return forStartLength(a.getOffset(), length);
+  }
+
   /**
    * @return the {@link SourceRange} which start at start of "a" and ends at start of "b".
    */
@@ -142,6 +146,22 @@ public class SourceRangeFactory {
   }
 
   /**
+   * @return the {@link SourceRange} of "a" with offset from given "base".
+   */
+  public static SourceRange fromBase(HasSourceInfo a, SourceRange base) {
+    return fromBase(a, base.getOffset());
+  }
+
+  /**
+   * @return the {@link SourceRange} "a" with offset from given "base".
+   */
+  public static SourceRange fromBase(SourceRange a, SourceRange base) {
+    int start = a.getOffset() - base.getOffset();
+    int length = a.getLength();
+    return forStartLength(start, length);
+  }
+
+  /**
    * Given {@link SourceRange} created relative to "base", return absolute {@link SourceRange}.
    */
   public static SourceRange withBase(HasSourceInfo base, SourceRange r) {