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

mojo/edk/system/data_pipe_producer_dispatcher.h

Index: mojo/edk/system/data_pipe_producer_dispatcher.h
diff --git a/mojo/edk/system/data_pipe_producer_dispatcher.h b/mojo/edk/system/data_pipe_producer_dispatcher.h
index 77c09aac88c45d0a9264a275bad0a5a8c625a61d..79097d918bdf043cbf0a704d446eb08347295c8c 100644
--- a/mojo/edk/system/data_pipe_producer_dispatcher.h
+++ b/mojo/edk/system/data_pipe_producer_dispatcher.h
@@ -6,7 +6,7 @@
 #define MOJO_EDK_SYSTEM_DATA_PIPE_PRODUCER_DISPATCHER_H_
 
 #include "mojo/edk/system/dispatcher.h"
-#include "mojo/edk/system/ref_ptr.h"
+#include "mojo/edk/util/ref_ptr.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
@@ -19,21 +19,20 @@ class DataPipe;
 // thread-safe.
 class DataPipeProducerDispatcher final : public Dispatcher {
  public:
-  static RefPtr<DataPipeProducerDispatcher> Create() {
+  static util::RefPtr<DataPipeProducerDispatcher> Create() {
     return AdoptRef(new DataPipeProducerDispatcher());
   }
 
   // Must be called before any other methods.
-  void Init(RefPtr<DataPipe>&& data_pipe) MOJO_NOT_THREAD_SAFE;
+  void Init(util::RefPtr<DataPipe>&& data_pipe) MOJO_NOT_THREAD_SAFE;
 
   // |Dispatcher| public methods:
   Type GetType() const override;
 
   // The "opposite" of |SerializeAndClose()|. (Typically this is called by
   // |Dispatcher::Deserialize()|.)
-  static RefPtr<DataPipeProducerDispatcher> Deserialize(Channel* channel,
-                                                        const void* source,
-                                                        size_t size);
+  static util::RefPtr<DataPipeProducerDispatcher>
+  Deserialize(Channel* channel, const void* source, size_t size);
 
   // Get access to the |DataPipe| for testing.
   DataPipe* GetDataPipeForTest();
@@ -45,7 +44,8 @@ class DataPipeProducerDispatcher final : public Dispatcher {
   // |Dispatcher| protected methods:
   void CancelAllAwakablesNoLock() override;
   void CloseImplNoLock() override;
-  RefPtr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() override;
+  util::RefPtr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock()
+      override;
   MojoResult WriteDataImplNoLock(UserPointer<const void> elements,
                                  UserPointer<uint32_t> num_bytes,
                                  MojoWriteDataFlags flags) override;
@@ -73,7 +73,7 @@ class DataPipeProducerDispatcher final : public Dispatcher {
   bool IsBusyNoLock() const override;
 
   // This will be null if closed.
-  RefPtr<DataPipe> data_pipe_ MOJO_GUARDED_BY(mutex());
+  util::RefPtr<DataPipe> data_pipe_ MOJO_GUARDED_BY(mutex());
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipeProducerDispatcher);
 };