Revert "Move dart:web to pkg:htmlescape."

runtime/bin/builtin.h

 // 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.
 
 #ifndef BIN_BUILTIN_H_
 #define BIN_BUILTIN_H_
 
 #include <stdio.h>
 #include <stdlib.h>
 
@@ skipping 12 matching lines @@
  public:
   // Note: Changes to this enum should be accompanied with changes to
   // the builtin_libraries_ array in builtin.cc and builtin_nolib.cc.
   enum BuiltinLibraryId {
     kBuiltinLibrary = 0,
     kJsonLibrary,
     kUriLibrary,
     kCryptoLibrary,
     kIOLibrary,
     kUtfLibrary,
+    kWebLibrary,
 
     kInvalidLibrary,
   };
 
   static Dart_Handle Source(BuiltinLibraryId id);
   static void SetupLibrary(Dart_Handle library, BuiltinLibraryId id);
   static Dart_Handle LoadAndCheckLibrary(BuiltinLibraryId id);
   static void ImportLibrary(Dart_Handle library, BuiltinLibraryId id);
   static void PrintString(FILE* out, Dart_Handle object);
   static void SetupIOLibrary(Dart_Handle io_lib);
@@ skipping 16 matching lines @@
     bool has_natives_;
   } builtin_lib_props;
   static builtin_lib_props builtin_libraries_[];
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Builtin);
 };
 
 
 #endif  // BIN_BUILTIN_H_