Disable formatting and add new-lines to make tests faster.

test/dart_codegen/expect/core/string_buffer.dart

 part of dart.core;
-
-class StringBuffer implements StringSink {
-  StringBuffer([Object content = ""]) : _contents = '$content';
-  int get length => DDC$RT.cast(_contents.length, dynamic, int, "CastGeneral",
-      """line 23, column 21 of dart:core/string_buffer.dart: """,
-      _contents.length is int, true);
-  bool get isEmpty => length == 0;
-  bool get isNotEmpty => !isEmpty;
-  void write(Object obj) {
-    _writeString('$obj');
+ class StringBuffer implements StringSink {StringBuffer([Object content = ""]) : _contents = '$content';
+ int get length => DDC$RT.cast(_contents.length, dynamic, int, "CastGeneral", """line 23, column 21 of dart:core/string_buffer.dart: """, _contents.length is int, true);
+ bool get isEmpty => length == 0;
+ bool get isNotEmpty => !isEmpty;
+ void write(Object obj) {
+  _writeString('$obj');
   }
-  void writeCharCode(int charCode) {
-    _writeString(new String.fromCharCode(charCode));
+ void writeCharCode(int charCode) {
+  _writeString(new String.fromCharCode(charCode));
   }
-  void writeAll(Iterable objects, [String separator = ""]) {
-    Iterator iterator = objects.iterator;
-    if (!iterator.moveNext()) return;
-    if (separator.isEmpty) {
-      do {
-        write(iterator.current);
-      } while (iterator.moveNext());
-    } else {
+ void writeAll(Iterable objects, [String separator = ""]) {
+  Iterator iterator = objects.iterator;
+   if (!iterator.moveNext()) return; if (separator.isEmpty) {
+    do {
       write(iterator.current);
-      while (iterator.moveNext()) {
-        write(separator);
-        write(iterator.current);
+      }
+     while (iterator.moveNext());}
+   else {
+    write(iterator.current);
+     while (iterator.moveNext()) {
+      write(separator);
+       write(iterator.current);
       }
     }
   }
-  void writeln([Object obj = ""]) {
-    write(obj);
-    write("\n");
+ void writeln([Object obj = ""]) {
+  write(obj);
+   write("\n");
   }
-  void clear() {
-    _contents = "";
+ void clear() {
+  _contents = "";
   }
-  String toString() => ((__x40) => DDC$RT.cast(__x40, dynamic, String,
-      "CastGeneral", """line 73, column 24 of dart:core/string_buffer.dart: """,
-      __x40 is String, true))(Primitives.flattenString(_contents));
+ String toString() => ((__x40) => DDC$RT.cast(__x40, dynamic, String, "CastGeneral", """line 73, column 24 of dart:core/string_buffer.dart: """, __x40 is String, true))(Primitives.flattenString(_contents));
 }