GYP changes and scripts for compiling Skia for ChromeOS

gyp/utils.gyp

 {
   'targets': [
     {
       'target_name': 'utils',
       'product_name': 'skia_utils',
       'type': 'static_library',
       'standalone_static_library': 1,
       'include_dirs': [
         '../include/config',
         '../include/core',
@@ skipping 128 matching lines @@
         },{ #else if 'skia_os != "mac"'
           'include_dirs!': [
             '../include/utils/mac',
           ],
           'sources!': [
             '../include/utils/mac/SkCGUtils.h',
             '../src/utils/mac/SkCreateCGImageRef.cpp',
             '../src/utils/SkThreadUtils_pthread_mach.cpp',
           ],
         }],
-        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris"]', {
+        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]', {
           'sources!': [
             '../src/utils/SkThreadUtils_pthread_other.cpp',
           ],
-        },{ #else if 'skia_os not in ["linux", "freebsd", "openbsd", "solaris"]'
+        },{ #else if 'skia_os not in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]'
           'include_dirs!': [
             '../include/utils/unix',
           ],
           'sources!': [
             '../src/utils/SkThreadUtils_pthread_linux.cpp',
           ],
         }],
         [ 'skia_os == "win"', {
           'direct_dependent_settings': {
             'include_dirs': [
@@ skipping 45 matching lines @@
       },
     },
   ],
 }
 
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