Convert mojo::system::Dispatcher to use our new refcounting stuff (instead of base's).

mojo/edk/system/waiter_test_utils.h

 // 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.
 
 #ifndef MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
 #define MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_
 
 #include <stdint.h>
 
-#include "base/memory/ref_counted.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/handle_signals_state.h"
+#include "mojo/edk/system/ref_ptr.h"
 #include "mojo/edk/system/waiter.h"
 #include "mojo/edk/test/simple_test_thread.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace system {
 namespace test {
 
 // This is a very simple thread that has a |Waiter|, on which it waits
@@ skipping 40 matching lines @@
 };
 
 // This is a more complex and realistic thread that has a |Waiter|, on which it
 // waits for the given deadline (with the given flags). Unlike
 // |SimpleWaiterThread|, it requires the machinery of |Dispatcher|.
 class WaiterThread : public mojo::test::SimpleTestThread {
  public:
   // Note: |*did_wait_out|, |*result_out|, |*context_out| and
   // |*signals_state_out| "belong" to this object (i.e., may be modified by, on
   // some other thread) while it's alive.
-  WaiterThread(scoped_refptr<Dispatcher> dispatcher,
+  WaiterThread(RefPtr<Dispatcher>&& dispatcher,
                MojoHandleSignals handle_signals,
                MojoDeadline deadline,
                uint32_t context,
                bool* did_wait_out,
                MojoResult* result_out,
                uint32_t* context_out,
                HandleSignalsState* signals_state_out);
   ~WaiterThread() override;
 
  private:
   void Run() override;
 
-  const scoped_refptr<Dispatcher> dispatcher_;
+  const RefPtr<Dispatcher> dispatcher_;
   const MojoHandleSignals handle_signals_;
   const MojoDeadline deadline_;
   const uint32_t context_;
   bool* const did_wait_out_;
   MojoResult* const result_out_;
   uint32_t* const context_out_;
   HandleSignalsState* const signals_state_out_;
 
   Waiter waiter_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(WaiterThread);
 };
 
 }  // namespace test
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_WAITER_TEST_UTILS_H_