Revert 262175 "* Replace "read" method with onReceiveXxx events."

trunk/src/device/bluetooth/bluetooth_socket_chromeos.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_CHROMEOS_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "chromeos/chromeos_export.h"
 #include "device/bluetooth/bluetooth_socket.h"
 
 namespace dbus {
+
 class FileDescriptor;
+
 }  // namespace dbus
 
 namespace net {
-class IOBuffer;
+
+class DrainableIOBuffer;
+class GrowableIOBuffer;
+
 }  // namespace net
 
 namespace chromeos {
 
 // The BluetoothSocketChromeOS class implements BluetoothSocket for the
 // Chrome OS platform.
 class CHROMEOS_EXPORT BluetoothSocketChromeOS
     : public device::BluetoothSocket {
  public:
-  // Overriden from BluetoothSocket:
-  virtual void Close() 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;
+  // BluetoothSocket override.
+  virtual bool Receive(net::GrowableIOBuffer* buffer) OVERRIDE;
+  virtual bool Send(net::DrainableIOBuffer* buffer) OVERRIDE;
+  virtual std::string GetLastErrorMessage() const OVERRIDE;
 
   // Create an instance of a BluetoothSocket from the passed file descriptor
   // received over D-Bus in |fd|, the descriptor will be taken from that object
   // and ownership passed to the returned object.
   static scoped_refptr<device::BluetoothSocket> Create(
       dbus::FileDescriptor* fd);
 
  protected:
   virtual ~BluetoothSocketChromeOS();
 
@@ skipping 15 matching lines @@
   // Last error message, set during Receive() and Send() and retrieved using
   // GetLastErrorMessage().
   std::string error_message_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothSocketChromeOS);
 };
 
 }  // namespace chromeos
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_