Mojo: Make a public test_support shared library.

mojo/common/test/run_all_unittests.cc

Index: mojo/common/test/run_all_unittests.cc
diff --git a/mojo/common/test/run_all_unittests.cc b/mojo/common/test/run_all_unittests.cc
index 617ab72badc6f9d67fc547f5fb785540b06503da..792c2a108f95780ca24727df1daaf755613c1dce 100644
--- a/mojo/common/test/run_all_unittests.cc
+++ b/mojo/common/test/run_all_unittests.cc
@@ -5,12 +5,15 @@
 #include "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
+#include "mojo/common/test/test_support_impl.h"
+#include "mojo/public/tests/test_support_private.h"
 #include "mojo/system/embedder/embedder.h"
 
 int main(int argc, char** argv) {
   base::TestSuite test_suite(argc, argv);
 
   mojo::embedder::Init();
+  mojo::test::TestSupport::Init(new mojo::test::TestSupportImpl());
 
   return base::LaunchUnitTests(
       argc, argv, base::Bind(&base::TestSuite::Run,