Clean ups for trailing whitespace and block style

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 d25a9cce6965de625344608e77335629b24dde8b..0327db2b06ef3dd205341c829e7b625a6f141be0 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
@@ -54,6 +54,14 @@ public class SourceRangeFactory {
   }
 
   /**
+   * @return the {@link SourceRange} which start at end of "a" and ends at "end".
+   */
+  public static SourceRange forEndEnd(HasSourceInfo a, int end) {
+    int start = a.getSourceInfo().getEnd();
+    return forStartEnd(start, end);
+  }
+
+  /**
    * @return the {@link SourceRange} which start at the end of "startInfo" and has specified length.
    */
   public static SourceRange forEndLength(HasSourceInfo startInfo, int length) {