Mojo C++ bindings: make String16 and gfx::Size available in Blink

mojo/common/common_custom_types_unittest.cc

Index: mojo/common/common_custom_types_unittest.cc
diff --git a/mojo/common/common_custom_types_unittest.cc b/mojo/common/common_custom_types_unittest.cc
index d6ec8f7f855c5b5756ee1fafb07b745f01563461..520f82a9a005028c8b79217b80382dd28e9c4d3a 100644
--- a/mojo/common/common_custom_types_unittest.cc
+++ b/mojo/common/common_custom_types_unittest.cc
@@ -298,6 +298,19 @@ TEST_F(CommonCustomTypesTest, String16) {
   run_loop.Run();
 }
 
+TEST_F(CommonCustomTypesTest, EmptyString16) {
+  base::RunLoop run_loop;
+
+  TestString16Ptr ptr;
+  TestString16Impl impl(GetProxy(&ptr));
+
+  base::string16 str16;
+
+  ptr->BounceString16(str16, ExpectResponse(&str16, run_loop.QuitClosure()));
+
+  run_loop.Run();
+}
+
 }  // namespace test
 }  // namespace common
 }  // namespace mojo