- Remove loading of observatory assets from dart_bootstrap.

runtime/bin/bin.gypi

 # 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.
 
 {
   'variables': {
     'gen_source_dir': '<(SHARED_INTERMEDIATE_DIR)',
 
     'io_cc_file': '<(gen_source_dir)/io_gen.cc',
     'io_patch_cc_file': '<(gen_source_dir)/io_patch_gen.cc',
@@ skipping 726 matching lines @@
       # dart binary built for the host. It does not use a snapshot
       # and does not include Observatory.
       'target_name': 'dart_bootstrap',
       'type': 'executable',
       'toolsets':['host'],
       'dependencies': [
         'libdart_nosnapshot',
         'libdart_builtin',
         'libdart_io',
         'generate_resources_cc_file#host',
-        'bin/zlib.gyp:zlib_dart',
       ],
       'include_dirs': [
         '..',
         '../../third_party/', # Zlib
       ],
       'sources': [
         'main.cc',
         'builtin_common.cc',
         'builtin_natives.cc',
         'builtin.cc',
@@ skipping 145 matching lines @@
         }],
         ['OS=="linux"', {
           'cflags': [
             '-fPIC',
           ],
         }],
       ],
     },
   ],
 }