Add a "native_support" service.

services/native_support/process_test_base.h

Index: services/native_support/process_test_base.h
diff --git a/mojo/services/files/public/c/lib/template_util.h b/services/native_support/process_test_base.h
similarity index 71%
copy from mojo/services/files/public/c/lib/template_util.h
copy to services/native_support/process_test_base.h
index d5fcb2bfb15d05197ea8e537887292d66c580516..0d4cc2abc6d4c204c2a042b0deba5b8669773416 100644
--- a/mojo/services/files/public/c/lib/template_util.h
+++ b/services/native_support/process_test_base.h
@@ -2,10 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SERVICES_FILES_C_LIB_TEMPLATE_UTIL_H_
-#define SERVICES_FILES_C_LIB_TEMPLATE_UTIL_H_
+#ifndef SERVICES_NATIVE_SUPPORT_PROCESS_TEST_BASE_H_
+#define SERVICES_NATIVE_SUPPORT_PROCESS_TEST_BASE_H_
 
-namespace mojio {
+#include "base/macros.h"
+#include "mojo/public/cpp/application/application_test_base.h"
+#include "mojo/services/native_support/public/interfaces/process.mojom.h"
+
+namespace native_support {
 
 // TODO(vtl): Stuff copied from mojo/public/cpp/bindings/lib/template_util.h.
 template <class T, T v>
@@ -74,6 +78,22 @@ mojo::Callback<void(T1, T2)> Capture(T1* t1, T2* t2) {
   };
 }
 
-}  // namespace mojio
+class ProcessTestBase : public mojo::test::ApplicationTestBase {
+ public:
+  ProcessTestBase();
+  ~ProcessTestBase() override;
+
+  void SetUp() override;
+
+ protected:
+  ProcessPtr& process() { return process_; }
+
+ private:
+  ProcessPtr process_;
+
+  DISALLOW_COPY_AND_ASSIGN(ProcessTestBase);
+};
+
+}  // namespace native_support
 
-#endif  // SERVICES_FILES_C_LIB_TEMPLATE_UTIL_H_
+#endif  // SERVICES_NATIVE_SUPPORT_PROCESS_TEST_BASE_H_