Convert BluetoothSocketEventDispatcher to BindOnce

This CL converts the success callback parameters to the:

 - BluetoothApiSocket::Accept
 - BluetoothApiSocket::Receive

In both cases, the callback is passed to an equivalent method of the
BluetoothSocket class which already takes a OnceCallback.

Bug: 1152268
Change-Id: I22bfc954e48fdf2b9a4e9dd15e32b562d117e4c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2594012
Commit-Queue: David Bokan <bokan@chromium.org>
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837650}

extensions/browser/api/bluetooth_socket/bluetooth_api_socket.cc

@@ -109,7 +109,7 @@ bool BluetoothApiSocket::IsPersistent() const {
 
 void BluetoothApiSocket::Receive(
     int count,
-    const ReceiveCompletionCallback& success_callback,
+    ReceiveCompletionCallback success_callback,
     const ErrorCompletionCallback& error_callback) {
   DCHECK_CURRENTLY_ON(kThreadId);
 
@@ -119,7 +119,7 @@ void BluetoothApiSocket::Receive(
     return;
   }
 
-  socket_->Receive(count, success_callback,
+  socket_->Receive(count, std::move(success_callback),
                    base::BindOnce(&OnSocketReceiveError, error_callback));
 }
 
@@ -169,8 +169,7 @@ void BluetoothApiSocket::OnSocketSendError(
   std::move(error_callback).Run(BluetoothApiSocket::kSystemError, message);
 }
 
-void BluetoothApiSocket::Accept(
-    const AcceptCompletionCallback& success_callback,
+void BluetoothApiSocket::Accept(AcceptCompletionCallback success_callback,
                                 const ErrorCompletionCallback& error_callback) {
   DCHECK_CURRENTLY_ON(kThreadId);
 
@@ -180,7 +179,7 @@ void BluetoothApiSocket::Accept(
     return;
   }
 
-  socket_->Accept(success_callback,
+  socket_->Accept(std::move(success_callback),
                   base::BindOnce(&OnSocketAcceptError, error_callback));
 }
 

extensions/browser/api/bluetooth_socket/bluetooth_api_socket.h

@@ -30,9 +30,9 @@ class BluetoothApiSocket : public ApiResource {
                      kDisconnected };
 
   typedef base::OnceCallback<void(int)> SendCompletionCallback;
-  typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)>
+  typedef base::OnceCallback<void(int, scoped_refptr<net::IOBuffer> io_buffer)>
       ReceiveCompletionCallback;
-  typedef base::Callback<void(const device::BluetoothDevice* device,
+  typedef base::OnceCallback<void(const device::BluetoothDevice* device,
                                   scoped_refptr<device::BluetoothSocket>)>
       AcceptCompletionCallback;
   typedef base::Callback<void(ErrorReason, const std::string& error_message)>
@@ -70,7 +70,7 @@ class BluetoothApiSocket : public ApiResource {
   // |Receive| operation is still pending, |error_callback| will be called with
   // |kIOPending| error.
   virtual void Receive(int count,
-                       const ReceiveCompletionCallback& success_callback,
+                       ReceiveCompletionCallback success_callback,
                        const ErrorCompletionCallback& error_callback);
 
   // Sends |buffer| to the socket and calls |success_callback| when data has
@@ -87,7 +87,7 @@ class BluetoothApiSocket : public ApiResource {
   // Accepts a client connection from the socket and calls |success_callback|
   // when one has connected. If an error occurs, calls |error_callback| with a
   // reason and a message.
-  virtual void Accept(const AcceptCompletionCallback& success_callback,
+  virtual void Accept(AcceptCompletionCallback success_callback,
                       const ErrorCompletionCallback& error_callback);
 
   const std::string& device_address() const { return device_address_; }

extensions/browser/api/bluetooth_socket/bluetooth_socket_event_dispatcher.cc

@@ -183,10 +183,9 @@ void BluetoothSocketEventDispatcher::StartReceive(const SocketParams& params) {
     buffer_size = kDefaultBufferSize;
   socket->Receive(
       buffer_size,
-      base::Bind(
-          &BluetoothSocketEventDispatcher::ReceiveCallback, params),
-      base::Bind(
-          &BluetoothSocketEventDispatcher::ReceiveErrorCallback, params));
+      base::BindOnce(&BluetoothSocketEventDispatcher::ReceiveCallback, params),
+      base::Bind(&BluetoothSocketEventDispatcher::ReceiveErrorCallback,
+                 params));
 }
 
 // static
@@ -268,10 +267,8 @@ void BluetoothSocketEventDispatcher::StartAccept(const SocketParams& params) {
     return;
 
   socket->Accept(
-      base::Bind(
-          &BluetoothSocketEventDispatcher::AcceptCallback, params),
-      base::Bind(
-          &BluetoothSocketEventDispatcher::AcceptErrorCallback, params));
+      base::BindOnce(&BluetoothSocketEventDispatcher::AcceptCallback, params),
+      base::Bind(&BluetoothSocketEventDispatcher::AcceptErrorCallback, params));
 }
 
 // static