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

mojo/edk/system/core.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_CORE_H_
 #define MOJO_EDK_SYSTEM_CORE_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
-#include "base/memory/ref_counted.h"
 #include "mojo/edk/system/handle_table.h"
 #include "mojo/edk/system/mapping_table.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/edk/system/mutex.h"
+#include "mojo/edk/system/ref_ptr.h"
 #include "mojo/public/c/system/buffer.h"
 #include "mojo/public/c/system/data_pipe.h"
 #include "mojo/public/c/system/message_pipe.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 
 namespace embedder {
 class PlatformSupport;
@@ skipping 11 matching lines @@
   // ---------------------------------------------------------------------------
 
   // These methods are only to be used by via the embedder API (and internally):
 
   // |*platform_support| must outlive this object.
   explicit Core(embedder::PlatformSupport* platform_support);
   virtual ~Core();
 
   // Adds |dispatcher| to the handle table, returning the handle for it. Returns
   // |MOJO_HANDLE_INVALID| on failure, namely if the handle table is full.
-  MojoHandle AddDispatcher(const scoped_refptr<Dispatcher>& dispatcher);
+  MojoHandle AddDispatcher(Dispatcher* dispatcher);
 
   // Looks up the dispatcher for the given handle. Returns null if the handle is
   // invalid.
-  scoped_refptr<Dispatcher> GetDispatcher(MojoHandle handle);
+  RefPtr<Dispatcher> GetDispatcher(MojoHandle handle);
 
   // Like |GetDispatcher()|, but also removes the handle from the handle table.
   // On success, gets the dispatcher for a given handle (which should not be
   // |MOJO_HANDLE_INVALID|) and removes it. (On failure, returns an appropriate
   // result (and leaves |dispatcher| alone), namely
   // |MOJO_RESULT_INVALID_ARGUMENT| if there's no dispatcher for the given
   // handle or |MOJO_RESULT_BUSY| if the handle is marked as busy.)
   MojoResult GetAndRemoveDispatcher(MojoHandle handle,
-                                    scoped_refptr<Dispatcher>* dispatcher);
+                                    RefPtr<Dispatcher>* dispatcher);
 
   // Watches on the given handle for the given signals, calling |callback| when
   // a signal is satisfied or when all signals become unsatisfiable. |callback|
   // must satisfy stringent requirements -- see |Awakable::Awake()| in
   // awakable.h. In particular, it must not call any Mojo system functions.
   MojoResult AsyncWait(MojoHandle handle,
                        MojoHandleSignals signals,
                        const base::Callback<void(MojoResult)>& callback);
 
   embedder::PlatformSupport* platform_support() const {
@@ skipping 110 matching lines @@
   Mutex mapping_table_mutex_;
   MappingTable mapping_table_ MOJO_GUARDED_BY(mapping_table_mutex_);
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Core);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_CORE_H_