[Draft] try out the idea of adding export macros for C++ bindings.

third_party/mojo/src/mojo/edk/test/run_all_unittests.cc

Index: third_party/mojo/src/mojo/edk/test/run_all_unittests.cc
diff --git a/third_party/mojo/src/mojo/edk/test/run_all_unittests.cc b/third_party/mojo/src/mojo/edk/test/run_all_unittests.cc
index 278cfeff6230ed71f5d8be71394b42e35c227642..583bc238a9f75139f83ef21bbc58ae46affaec25 100644
--- a/third_party/mojo/src/mojo/edk/test/run_all_unittests.cc
+++ b/third_party/mojo/src/mojo/edk/test/run_all_unittests.cc
@@ -11,6 +11,8 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 #include "third_party/mojo/src/mojo/edk/test/test_support_impl.h"
+#include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
+#include "mojo/public/interfaces/bindings/tests/sample_service.mojom.h"
 
 int main(int argc, char** argv) {
 #if !defined(OS_ANDROID)
@@ -33,6 +35,14 @@ int main(int argc, char** argv) {
   mojo::embedder::Init();
   mojo::test::TestSupport::Init(new mojo::test::TestSupportImpl());
 
+  mojo::test::RectPtr rect(mojo::test::Rect::New());
+  uint8_t value = sample::kTwelve;
+  (void)value;
+
+  mojo::InterfacePtr<sample::Service> ptr;
+  mojo::InterfaceRequest<sample::Service> req = GetProxy(&ptr);
+
+
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));