Mojo: Add warning of invalid serialization results (in debug build).

mojo/public/tools/bindings/generators/mojom_cpp_generator.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Generates C++ source files from a mojom.Module."""
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 import mojom.generate.pack as pack
 from mojom.generate.template_expander import UseJinja
@@ skipping 231 matching lines @@
     if mojom.IsMoveOnlyKind(field.kind):
       return False
   return True
 
 def GetArrayValidateParams(kind):
   if not mojom.IsAnyArrayKind(kind) and not mojom.IsStringKind(kind):
     return "mojo::internal::NoValidateParams"
 
   if mojom.IsStringKind(kind):
     expected_num_elements = 0
-    element_nullable = False
+    element_is_nullable = False
     element_validate_params = "mojo::internal::NoValidateParams"
   else:
     expected_num_elements = generator.ExpectedArraySize(kind)
-    element_nullable = mojom.IsNullableKind(kind.kind)
+    element_is_nullable = mojom.IsNullableKind(kind.kind)
     element_validate_params = GetArrayValidateParams(kind.kind)
 
   return "mojo::internal::ArrayValidateParams<%d, %s,\n%s> " % (
       expected_num_elements,
-      'true' if element_nullable else 'false',
+      'true' if element_is_nullable else 'false',
       element_validate_params)
 
 _HEADER_SIZE = 8
 
 class Generator(generator.Generator):
 
   cpp_filters = {
     "constant_value": ConstantValue,
     "cpp_const_wrapper_type": GetCppConstWrapperType,
     "cpp_field_type": GetCppFieldType,
@@ skipping 48 matching lines @@
 
   @UseJinja("cpp_templates/module.cc.tmpl", filters=cpp_filters)
   def GenerateModuleSource(self):
     return self.GetJinjaExports()
 
   def GenerateFiles(self, args):
     self.Write(self.GenerateModuleHeader(), "%s.h" % self.module.name)
     self.Write(self.GenerateModuleInternalHeader(),
         "%s-internal.h" % self.module.name)
     self.Write(self.GenerateModuleSource(), "%s.cc" % self.module.name)