Remove vmservice_patch.dart.

sdk/lib/vmservice/asset.dart

 // Copyright (c) 2015, 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.
 
 part of dart._vmservice;
 
 class Asset {
   final String name;
   final Uint8List data;
 
@@ skipping 19 matching lines @@
         return 'image/jpeg';
       case 'jpeg':
         return 'image/jpeg';
       case 'svg':
         return 'image/svg+xml';
       default:
         return 'text/plain';
     }
   }
 
-  /// Call to request assets from the embedder.
-  external static HashMap<String, Asset> request();
+  static HashMap<String, Asset> request() {
+    Uint8List tarBytes = _requestAssets();
+    if (tarBytes == null) {
+      return null;
+    }
+    List assetList = _decodeAssets(tarBytes);
+    HashMap<String, Asset> assets = new HashMap<String, Asset>();
+    for (int i = 0; i < assetList.length; i += 2) {
+      var a = new Asset(assetList[i], assetList[i + 1]);
+      assets[a.name] = a;
+    }
+    return assets;
+  }
 
   String toString() => '$name ($mimeType)';
 }
 
+List _decodeAssets(Uint8List data) native "VMService_DecodeAssets";
+
 HashMap<String, Asset> _assets;
 HashMap<String, Asset> get assets {
   if (_assets == null) {
     try {
       _assets = Asset.request();
     } catch (e) {
       print('Could not load Observatory assets: $e');
     }
   }
   return _assets;
@@ skipping 132 matching lines @@
     int type = _readType(_bs);
     _bs.seekToNextBlock(tarHeaderSize);
     if (type != tarHeaderFileType) {
       _skipContents(_bs, size);
       return null;
     }
     Uint8List bytes = _readContents(_bs, size);
     return new Asset(filename, bytes);
   }
 }