Mojo: Make a public test_support shared library.

mojo/common/test/run_all_perftests.cc

Index: mojo/common/test/run_all_perftests.cc
diff --git a/mojo/common/test/run_all_perftests.cc b/mojo/common/test/run_all_perftests.cc
index 9bc47481c135c5cb5aa8e270c94d6a636d3e8b34..3718bf17f17d9865b929f81bb4bc4553c212019a 100644
--- a/mojo/common/test/run_all_perftests.cc
+++ b/mojo/common/test/run_all_perftests.cc
@@ -3,10 +3,12 @@
 // found in the LICENSE file.
 
 #include "base/test/perf_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) {
   mojo::embedder::Init();
+  mojo::test::TestSupport::Init(new mojo::test::TestSupportImpl());
   return base::PerfTestSuite(argc, argv).Run();
 }
-