dart:io | Change a remaining use of File.name to File.path, in samples.

samples/build_dart/build.dart

 // Copyright (c) 2012, 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 build_dart;
 
 import "dart:io";
 import "package:args/args.dart";
 
 bool cleanBuild;
@@ skipping 101 matching lines @@
   if (arg.endsWith(".foo")) {
     print("processing: ${arg}");
 
     File file = new File(arg);
 
     String contents = file.readAsStringSync();
 
     File outFile = new File("${arg}bar");
 
     var out = outFile.openWrite();
-    out.addString("// processed from ${file.name}:\n");
+    out.addString("// processed from ${file.path}:\n");
     if (contents != null) {
       out.addString(contents);
     }
     out.close();
 
     _findErrors(arg);
 
-    print("wrote: ${outFile.name}");
+    print("wrote: ${outFile.path}");
   }
 }
 
 void _findErrors(String arg) {
   File file = new File(arg);
 
   List lines = file.readAsLinesSync();
 
   for (int i = 0; i < lines.length; i++) {
     if (lines[i].contains("woot") && !lines[i].startsWith("//")) {
       if (useMachineInterface) {
         // Ideally, we should emit the charStart and charEnd params as well.
         print('[{"method":"error","params":{"file":"$arg","line":${i+1},'
             '"message":"woot not supported"}}]');
       }
     }
   }
 }
 
 /**
  * If this file is a generated file (based on the extension), delete it.
  */
 void _maybeClean(File file) {
-  if (file.name.endsWith(".foobar")) {
+  if (file.path.endsWith(".foobar")) {
     file.delete();
   }
 }