Mojo: Make tests under mojo/public use our own run_all_unittests.cc.

mojo/public/tests/system_core_perftest.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/system/core.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "mojo/public/tests/test_support.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace {
 
-class SystemPerftest : public test::TestBase {
+class SystemPerftest : public testing::Test {
  public:
   SystemPerftest() {}
   virtual ~SystemPerftest() {}
 
   void NoOp() {
   }
 
   void MessagePipe_CreateAndClose() {
     MojoResult result;
     result = CreateMessagePipe(&h_0_, &h_1_);
@@ skipping 83 matching lines @@
   test::IterateAndReportPerf(
       "MessagePipe_EmptyRead",
       base::Bind(&SystemPerftest::MessagePipe_EmptyRead,
                  base::Unretained(this)));
   CHECK_EQ(Close(h_0_), MOJO_RESULT_OK);
   CHECK_EQ(Close(h_1_), MOJO_RESULT_OK);
 }
 
 }  // namespace
 }  // namespace mojo