Update ChannelReader to use AttachmentBroker.

ipc/ipc_channel_nacl.h

 // Copyright (c) 2012 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 IPC_IPC_CHANNEL_NACL_H_
 #define IPC_IPC_CHANNEL_NACL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 47 matching lines @@
   class ReaderThreadRunner;
 
   bool CreatePipe(const IPC::ChannelHandle& channel_handle);
   bool ProcessOutgoingMessages();
   void CallOnChannelConnected();
 
   // ChannelReader implementation.
   ReadState ReadData(char* buffer,
                      int buffer_len,
                      int* bytes_read) override;
-  bool WillDispatchInputMessage(Message* msg) override;
+  bool ShouldDispatchInputMessage(Message* msg) override;
+  bool GetNonBrokeredAttachments(Message* msg) override;
   bool DidEmptyInputBuffers() override;
   void HandleInternalMessage(const Message& msg) override;
 
   Mode mode_;
   bool waiting_connect_;
 
   // The pipe used for communication.
   int pipe_;
 
   // The "name" of our pipe.  On Windows this is the global identifier for
@@ skipping 40 matching lines @@
 
   // |broker_| must outlive this instance.
   AttachmentBroker* broker_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelNacl);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_NACL_H_