Base infrastructure for Networking Private API on Windows and Mac.

tools/json_schema_compiler/cpp_bundle_generator.py

Index: tools/json_schema_compiler/cpp_bundle_generator.py
diff --git a/tools/json_schema_compiler/cpp_bundle_generator.py b/tools/json_schema_compiler/cpp_bundle_generator.py
index c713d555f72ab0205f268b139561bd6d36c3b37b..a5ac51c3f1482c13b055843daf3d74b065764cfc 100644
--- a/tools/json_schema_compiler/cpp_bundle_generator.py
+++ b/tools/json_schema_compiler/cpp_bundle_generator.py
@@ -79,9 +79,15 @@ class CppBundleGenerator(object):
     for platform in model_object.platforms:
       if platform == Platforms.CHROMEOS:
         ifdefs.append('defined(OS_CHROMEOS)')
+      elif platform == Platforms.LINUX:
+        ifdefs.append('defined(OS_LINUX)')
+      elif platform == Platforms.MAC:
+        ifdefs.append('defined(OS_MACOSX)')
+      elif platform == Platforms.WIN:
+        ifdefs.append('defined(OS_WIN)')
       else:
         raise ValueError("Unsupported platform ifdef: %s" % platform.name)
-    return ' and '.join(ifdefs)
+    return ' || '.join(ifdefs)
 
   def _GenerateRegisterFunctions(self, namespace_name, function):
     c = code.Code()