renaming File to Source

test/end2end_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.end2end_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:source_maps/source_maps.dart';
 import 'common.dart';
 
@@ skipping 33 matching lines @@
         .toJson(output.url);
     var mapping = parse(json);
     check(outputVar1, mapping, inputVar1, true);
     check(outputVar2, mapping, inputVar2, true);
     check(outputFunction, mapping, inputFunction, true);
     check(outputExpr, mapping, inputExpr, true);
   });
 
   test('printer projecting marks + parse', () {
     var out = INPUT.replaceAll('long', '_s');
-    var file = new File.text('output2.dart', out);
+    var file = new SourceFile.text('output2.dart', out);
     var printer = new Printer('output2.dart');
     printer.mark(ispan(0, 0));
 
     bool first = true;
     var segments = INPUT.split('long');
     expect(segments.length, 6);
     printer.add(segments[0], projectMarks: true);
     printer.mark(inputVar1);
     printer.add('_s');
     printer.add(segments[1], projectMarks: true);
@@ skipping 32 matching lines @@
 
     // Start of the last line
     var oOffset = out.length - 2;
     var iOffset = INPUT.length - 2;
     check(new FileSpan(file, oOffset, oOffset, false), mapping,
         ispan(iOffset, iOffset), true);
     check(new FileSpan(file, oOffset + 1, oOffset + 1, false), mapping,
         ispan(iOffset, iOffset), true);
   });
 }