[Extensions Bindings] Add a messaging test

chrome/browser/extensions/native_bindings_apitest.cc

Index: chrome/browser/extensions/native_bindings_apitest.cc
diff --git a/chrome/browser/extensions/native_bindings_apitest.cc b/chrome/browser/extensions/native_bindings_apitest.cc
index 1fc10e62ac7e84df1384f5b8ee4cdcef5b2c34a6..ab8c043ae0ae8d6f65beec453ed364687340c021 100644
--- a/chrome/browser/extensions/native_bindings_apitest.cc
+++ b/chrome/browser/extensions/native_bindings_apitest.cc
@@ -27,6 +27,8 @@ class NativeBindingsApiTest : public ExtensionApiTest {
 };
 
 IN_PROC_BROWSER_TEST_F(NativeBindingsApiTest, SimpleEndToEndTest) {
+  embedded_test_server()->ServeFilesFromDirectory(test_data_dir_);
+  ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionTest("native_bindings")) << message_;
 }