Fixup mojo dylibs to support mojo in content

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 821 matching lines @@
         }, {
           'v8_optimized_debug%': 2,
         }],
 
         # Disable various features by default on embedded.
         ['embedded==1', {
           'remoting%': 0,
           'enable_printing%': 0,
         }],
 
-        ['OS=="win" or (OS=="linux" and chromeos==0)', {
+        ['OS=="win" or OS=="mac" or (OS=="linux" and chromeos==0)', {
           'use_mojo%': 1,
         }],
 
         # By default, use ICU data file (icudtl.dat) on all platforms
         # except when building Android WebView.
         # TODO(jshin): Handle 'use_system_icu' on Linux (Chromium).
         ['android_webview_build==0', {
           'icu_use_data_file_flag%' : 1,
         }, {
           'icu_use_data_file_flag%' : 0,
@@ skipping 4299 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }