chrome.bluetooth API improvements.

device/bluetooth/bluetooth_socket_chromeos.h

Index: device/bluetooth/bluetooth_socket_chromeos.h
diff --git a/device/bluetooth/bluetooth_socket_chromeos.h b/device/bluetooth/bluetooth_socket_chromeos.h
index 1c52c679f0e76b2a343e5e2477cfa0eff56cde18..526fc58a9441c359939f49c8b514b939cca683c1 100644
--- a/device/bluetooth/bluetooth_socket_chromeos.h
+++ b/device/bluetooth/bluetooth_socket_chromeos.h
@@ -32,10 +32,17 @@ namespace chromeos {
 class CHROMEOS_EXPORT BluetoothSocketChromeOS
     : public device::BluetoothSocket {
  public:
-  // BluetoothSocket override.
-  virtual bool Receive(net::GrowableIOBuffer* buffer) OVERRIDE;
-  virtual bool Send(net::DrainableIOBuffer* buffer) OVERRIDE;
-  virtual std::string GetLastErrorMessage() const OVERRIDE;
+  // BluetoothSocket override
+  virtual void Connect(const base::Closure& success_callback,
+                       const ErrorCompletionCallback& error_callback) 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::DrainableIOBuffer> buffer,
+                    const SendCompletionCallback& success_callback,
+                    const ErrorCompletionCallback& error_callback) 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