Move frog/leg to lib/compiler/implementation.

lib/compiler/implementation/dart2js.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('dart2js');
 
 #import('dart:io');
 #import('dart:utf');
 
-#import('../../lib/uri/uri.dart');
-#import('../../frog/leg/api.dart', prefix: 'api');
-#import('../../frog/leg/io/io.dart', prefix: 'io');
-#import('../../frog/leg/colors.dart');
+#import('../../uri/uri.dart');
+#import('../compiler.dart', prefix: 'api');
+#import('io/io.dart', prefix: 'io');
+#import('colors.dart');
 #import('source_file.dart');
 
 String relativize(Uri base, Uri uri) {
   if (base.scheme == 'file' &&
       base.scheme == uri.scheme &&
       base.userInfo == uri.userInfo &&
       base.domain == uri.domain &&
       base.port == uri.port &&
       uri.query == "" && uri.fragment == "") {
     if (uri.path.startsWith(base.path)) {
@@ skipping 120 matching lines @@
 }
 
 String readAll(String filename) {
   var file = (new File(filename)).openSync();
   var length = file.lengthSync();
   var buffer = new List<int>(length);
   var bytes = file.readListSync(buffer, 0, length);
   file.closeSync();
   return new String.fromCharCodes(new Utf8Decoder(buffer).decodeRest());
 }