Mojo: Move public/tests/test_{support,utils}.* to public/{c,cpp}/test_support.

mojo/public/bindings/tests/handle_passing_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/public/bindings/allocation_scope.h"
 #include "mojo/public/bindings/remote_ptr.h"
 #include "mojo/public/bindings/tests/sample_factory.mojom.h"
 #include "mojo/public/cpp/environment/environment.h"
+#include "mojo/public/cpp/test_support/test_utils.h"
 #include "mojo/public/cpp/utility/run_loop.h"
-#include "mojo/public/tests/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 namespace {
 
 const char kText1[] = "hello";
 const char kText2[] = "world";
 
 class SampleFactoryImpl : public sample::Factory {
@@ skipping 206 matching lines @@
   EXPECT_FALSE(factory_client.got_response());
 
   PumpMessages();
 
   EXPECT_TRUE(factory_client.got_response());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo