Tweak formatting rules. Fix #211.

test/regression/211.unit

+>>> (indent 2)
+  LiteralMap mapLiteral(List<LiteralMapEntry> entries, {bool isConst: false}) {
+    return new LiteralMap(null, // Type arguments.
+        new NodeList(symbolToken(OPEN_CURLY_BRACKET_INFO),
+            linkedList(entries), symbolToken(CLOSE_CURLY_BRACKET_INFO), ','),
+        isConst ? keywordToken('const') : null);
+  }
+<<<
+  LiteralMap mapLiteral(List<LiteralMapEntry> entries, {bool isConst: false}) {
+    return new LiteralMap(null, // Type arguments.
+        new NodeList(symbolToken(OPEN_CURLY_BRACKET_INFO), linkedList(entries),
+            symbolToken(CLOSE_CURLY_BRACKET_INFO), ','),
+        isConst ? keywordToken('const') : null);
+  }
+>>>
+void defineProperty(var obj, String property, var value) {
+  JS('void', 'Object.defineProperty(#, #, '
+      '{value: #, enumerable: false, writable: true, configurable: true})',
+      obj, property, value);
+}
+<<<
+void defineProperty(var obj, String property, var value) {
+  JS('void', 'Object.defineProperty(#, #, '
+      '{value: #, enumerable: false, writable: true, configurable: true})', obj,
+      property, value);
+}
+>>> (indent 4)
+    main() {
+      return searchEngine.searchTopLevelDeclarations('').then(
+          (List<SearchMatch> matches) {
+        _addNonImportedElementSuggestions(matches, excludedLibs);
+        return true;
+      });
+    }
+<<<
+    main() {
+      return searchEngine
+          .searchTopLevelDeclarations('')
+          .then((List<SearchMatch> matches) {
+        _addNonImportedElementSuggestions(matches, excludedLibs);
+        return true;
+      });
+    }
+>>> (indent 2)
+  test_getRelationships_empty() {
+    return store.getRelationships(elementA, relationship).then(
+        (List<Location> locations) {
+      expect(locations, isEmpty);
+    });
+  }
+<<<
+  test_getRelationships_empty() {
+    return store
+        .getRelationships(elementA, relationship)
+        .then((List<Location> locations) {
+      expect(locations, isEmpty);
+    });
+  }
+>>> (indent 2)
+  _asRuntimeType() {
+    return [
+      _class._jsConstructor
+    ].addAll(typeArguments.map((t) => t._asRuntimeType()));
+  }
+<<<
+  _asRuntimeType() {
+    return [_class._jsConstructor]
+        .addAll(typeArguments.map((t) => t._asRuntimeType()));
+  }