Delete ChromeOS code

gyp/utils.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Gyp for utils.
 {
   'targets': [
     {
       'target_name': 'utils',
       'product_name': 'skia_utils',
@@ skipping 41 matching lines @@
           },
         },{ #else if 'skia_os != "mac"'
           'include_dirs!': [
             '../include/utils/mac',
           ],
           'sources!': [
             '../include/utils/mac/SkCGUtils.h',
             '../src/utils/mac/SkCreateCGImageRef.cpp',
           ],
         }],
-        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]', {
-        },{ #else if 'skia_os not in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]'
+        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris"]', {
+        },{ #else if 'skia_os not in ["linux", "freebsd", "openbsd", "solaris"]'
           'include_dirs!': [
             '../include/utils/unix',
           ],
         }],
         [ 'skia_os == "win"', {
           'direct_dependent_settings': {
             'include_dirs': [
               '../include/utils/win',
             ],
           },
@@ skipping 25 matching lines @@
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../include/utils',
           '../src/utils',
         ],
       },
     },
   ],
 }