EDK: Move ref counting classes to mojo/edk/util.

mojo/edk/system/platform_handle_dispatcher_unittest.cc

 // Copyright 2014 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/edk/system/platform_handle_dispatcher.h"
 
 #include <stdio.h>
 
 #include <utility>
 
-#include "base/memory/ref_counted.h"
 #include "mojo/edk/system/test/scoped_test_dir.h"
 #include "mojo/edk/test/test_utils.h"
 #include "mojo/edk/util/scoped_file.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using mojo::util::RefPtr;
+
 namespace mojo {
 namespace system {
 namespace {
 
 TEST(PlatformHandleDispatcherTest, Basic) {
   test::ScopedTestDir test_dir;
 
   static const char kHelloWorld[] = "hello world";
 
   util::ScopedFILE fp(test_dir.CreateFile());
@@ skipping 67 matching lines @@
   EXPECT_EQ(sizeof(kFooBar),
             fread(read_buffer, 1, sizeof(read_buffer), fp.get()));
   EXPECT_STREQ(kFooBar, read_buffer);
 
   EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo