remove build_webkit_exes_from_webkit_gyp flag

webkit/blob/webkit_blob.gypi

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'conditions': [
       ['inside_chromium_build==0', {
         'webkit_src_dir': '../../../../..',
       },{
@@ skipping 36 matching lines @@
             '<(DEPTH)/webkit/support/setup_third_party.gyp:third_party_headers',
           ],
         }],
         # TODO(dpranke): Figure out why this works at all and/or get
         # rid of it.
         ['OS=="win" and component == "shared_library"', {
           'dependencies': [
             '<(DEPTH)/webkit/support/webkit_support.gyp:glue',
           ],
         }],
-        [# TODO(dpranke): Remove once the circular dependencies in
-         # WebKit.gyp are fixed on the mac.
-         # See https://bugs.webkit.org/show_bug.cgi?id=68463
-         'OS!="mac"', {
-          'dependencies': [
-           '<(webkit_src_dir)/Source/WebKit/chromium/WebKit.gyp:webkit',
-          ],
-        }],
       ],
     },
   ],
 }