chrome.bluetooth API improvements.

device/bluetooth/bluetooth_socket_mac.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 DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_MAC_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "device/bluetooth/bluetooth_socket.h"
 
 #ifdef __OBJC__
 @class BluetoothRFCOMMChannelDelegate;
 @class IOBluetoothRFCOMMChannel;
 @class IOBluetoothSDPServiceRecord;
 #else
 class BluetoothRFCOMMChannelDelegate;
 class IOBluetoothRFCOMMChannel;
 class IOBluetoothSDPServiceRecord;
 #endif
 
 namespace net {
-
-class DrainableIOBuffer;
-class GrowableIOBuffer;
-
+class IOBuffer;
 }  // namespace net
 
 namespace device {
 
 class BluetoothServiceRecord;
 
 // This class is an implementation of BluetoothSocket class for OSX platform.
 class BluetoothSocketMac : public BluetoothSocket {
  public:
   // TODO(youngki): This method is deprecated; remove this method when
   // BluetoothServiceRecord is removed.
   static scoped_refptr<BluetoothSocket> CreateBluetoothSocket(
       const BluetoothServiceRecord& service_record);
 
   static scoped_refptr<BluetoothSocket> CreateBluetoothSocket(
       IOBluetoothSDPServiceRecord* record);
 
   // BluetoothSocket override
-  virtual bool Receive(net::GrowableIOBuffer* buffer) OVERRIDE;
-  virtual bool Send(net::DrainableIOBuffer* buffer) OVERRIDE;
-  virtual std::string GetLastErrorMessage() const OVERRIDE;
+  virtual void Disconnect(const base::Closure& callback) OVERRIDE;
+  virtual void Receive(int count,
+                       const ReceiveCompletionCallback& success_callback,
+                       const ReceiveErrorCompletionCallback& error_callback)
+      OVERRIDE;
+  virtual void Send(scoped_refptr<net::IOBuffer> buffer,
+                    int buffer_size,
+                    const SendCompletionCallback& success_callback,
+                    const ErrorCompletionCallback& error_callback) OVERRIDE;
 
   // called by BluetoothRFCOMMChannelDelegate.
   void OnDataReceived(IOBluetoothRFCOMMChannel* rfcomm_channel,
                       void* data,
                       size_t length);
 
  protected:
   virtual ~BluetoothSocketMac();
 
  private:
   explicit BluetoothSocketMac(IOBluetoothRFCOMMChannel* rfcomm_channel);
 
   void ResetIncomingDataBuffer();
 
   IOBluetoothRFCOMMChannel* rfcomm_channel_;
   BluetoothRFCOMMChannelDelegate* delegate_;
   scoped_refptr<net::GrowableIOBuffer> incoming_data_buffer_;
   std::string error_message_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothSocketMac);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_MAC_H_