Mojo C++ bindings: add a new mode to generator to use native STL/WTF types

mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc

Index: mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc b/mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc
index 9eb111bcb91c93107e155107045c415097885cdb..dcf2967bb5ba92f9b585de77e8e85c9624baeac4 100644
--- a/mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc
+++ b/mojo/public/cpp/bindings/tests/serialization_warning_unittest.cc
@@ -119,12 +119,6 @@ TEST_F(SerializationWarningTest, StructInStruct) {
 
 TEST_F(SerializationWarningTest, ArrayOfStructsInStruct) {
   Struct4Ptr test_struct(Struct4::New());
-  EXPECT_TRUE(!test_struct->data);
-
-  TestWarning(std::move(test_struct),
-              mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
-
-  test_struct = Struct4::New();
   test_struct->data.resize(1);
 
   TestWarning(std::move(test_struct),
@@ -144,12 +138,6 @@ TEST_F(SerializationWarningTest, ArrayOfStructsInStruct) {
 
 TEST_F(SerializationWarningTest, FixedArrayOfStructsInStruct) {
   Struct5Ptr test_struct(Struct5::New());
-  EXPECT_TRUE(!test_struct->pair);
-
-  TestWarning(std::move(test_struct),
-              mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
-
-  test_struct = Struct5::New();
   test_struct->pair.resize(1);
   test_struct->pair[0] = Struct1::New();
 
@@ -164,19 +152,6 @@ TEST_F(SerializationWarningTest, FixedArrayOfStructsInStruct) {
   TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
 }
 
-TEST_F(SerializationWarningTest, StringInStruct) {
-  Struct6Ptr test_struct(Struct6::New());
-  EXPECT_TRUE(!test_struct->str);
-
-  TestWarning(std::move(test_struct),
-              mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
-
-  test_struct = Struct6::New();
-  test_struct->str = "hello world";
-
-  TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
-}
-
 TEST_F(SerializationWarningTest, ArrayOfArraysOfHandles) {
   Array<Array<ScopedHandle>> test_array = CreateTestNestedHandleArray();
   test_array[0] = nullptr;