Deprecate Math object in corelib in favor of dart:math library.

runtime/bin/stream_util.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.
 
 class _BaseDataInputStream {
   abstract int available();
 
   List<int> read([int len]) {
     if (_closeCallbackCalled || _scheduledCloseCallback != null) return null;
     int bytesToRead = available();
     if (bytesToRead == 0) {
       _checkScheduleCallbacks();
       return null;
     }
     if (len !== null) {
       if (len <= 0) {
         throw new StreamException("Illegal length $len");
       } else if (bytesToRead > len) {
         bytesToRead = len;
       }
     }
     return _read(bytesToRead);
   }
 
   int readInto(List<int> buffer, [int offset = 0, int len]) {
     if (_closeCallbackCalled || _scheduledCloseCallback != null) return 0;
     if (len === null) len = buffer.length;
     if (offset < 0) throw new StreamException("Illegal offset $offset");
     if (len < 0) throw new StreamException("Illegal length $len");
-    int bytesToRead = Math.min(len, available());
+    int bytesToRead = min(len, available());
     return _readInto(buffer, offset, bytesToRead);
   }
 
   void pipe(OutputStream output, [bool close = true]) {
     _pipe(this, output, close: close);
   }
 
   void close() {
     _cancelScheduledDataCallback();
     _close();
@@ skipping 161 matching lines @@
   void _reportError(e) {
     if (_onError != null) {
       _onError(e);
     } else {
       throw e;
     }
   }
 
   Function _onError;
 }