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 d47f57f16cf8d0f343c4a01a8debb98f8067eb64..1cadff8348da5e05f3d41b024ea87bfbe6572d12 100644
--- a/tools/json_schema_compiler/cpp_bundle_generator.py
+++ b/tools/json_schema_compiler/cpp_bundle_generator.py
@@ -84,9 +84,15 @@ 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()