Update mojo sdk to rev c02a28868825edfa57ab77947b8cb15e741c5598

third_party/mojo/src/mojo/edk/system/data_pipe_consumer_dispatcher.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_DATA_PIPE_CONSUMER_DISPATCHER_H_
 #define MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_
 
 #include "base/memory/ref_counted.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace system {
 
 class DataPipe;
 
 // This is the |Dispatcher| implementation for the consumer handle for data
 // pipes (created by the Mojo primitive |MojoCreateDataPipe()|). This class is
 // thread-safe.
 class MOJO_SYSTEM_IMPL_EXPORT DataPipeConsumerDispatcher final
     : public Dispatcher {
  public:
   static scoped_refptr<DataPipeConsumerDispatcher> Create() {
     return make_scoped_refptr(new DataPipeConsumerDispatcher());
   }
 
   // Must be called before any other methods.
-  void Init(scoped_refptr<DataPipe> data_pipe);
+  void Init(scoped_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 scoped_refptr<DataPipeConsumerDispatcher>
   Deserialize(Channel* channel, const void* source, size_t size);
 
   // Get access to the |DataPipe| for testing.
-  DataPipe* GetDataPipeForTest() { return data_pipe_.get(); }
+  DataPipe* GetDataPipeForTest();
 
  private:
   DataPipeConsumerDispatcher();
   ~DataPipeConsumerDispatcher() override;
 
   // |Dispatcher| protected methods:
   void CancelAllAwakablesNoLock() override;
   void CloseImplNoLock() override;
   scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock()
       override;
   MojoResult ReadDataImplNoLock(UserPointer<void> elements,
                                 UserPointer<uint32_t> num_bytes,
                                 MojoReadDataFlags flags) override;
   MojoResult BeginReadDataImplNoLock(UserPointer<const void*> buffer,
                                      UserPointer<uint32_t> buffer_num_bytes,
                                      MojoReadDataFlags flags) override;
   MojoResult EndReadDataImplNoLock(uint32_t num_bytes_read) override;
   HandleSignalsState GetHandleSignalsStateImplNoLock() const override;
   MojoResult AddAwakableImplNoLock(Awakable* awakable,
                                    MojoHandleSignals signals,
                                    uint32_t context,
                                    HandleSignalsState* signals_state) override;
   void RemoveAwakableImplNoLock(Awakable* awakable,
                                 HandleSignalsState* signals_state) override;
   void StartSerializeImplNoLock(Channel* channel,
                                 size_t* max_size,
-                                size_t* max_platform_handles) override;
+                                size_t* max_platform_handles) override
+      MOJO_NOT_THREAD_SAFE;
   bool EndSerializeAndCloseImplNoLock(
       Channel* channel,
       void* destination,
       size_t* actual_size,
-      embedder::PlatformHandleVector* platform_handles) override;
+      embedder::PlatformHandleVector* platform_handles) override
+      MOJO_NOT_THREAD_SAFE;
   bool IsBusyNoLock() const override;
 
-  // Protected by |lock()|:
-  scoped_refptr<DataPipe> data_pipe_;  // This will be null if closed.
+  // This will be null if closed.
+  scoped_refptr<DataPipe> data_pipe_ MOJO_GUARDED_BY(mutex());
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipeConsumerDispatcher);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_DATA_PIPE_CONSUMER_DISPATCHER_H_