Define "chromeos", fixes #5

zcbenz · zcbenz · commit 9d35d4d01590 · 2014-12-22T12:19:53.000-08:00
diff --git a/common.gypi b/common.gypi
@@ -1,4 +1,7 @@
 {
+  'variables': {
+    'chromeos%': 0,
+  },
   'target_defaults': {
     'conditions': [
       ['OS=="linux"', {
