Migrate net/socket/socket.h, net/socket/stream_socket.h to base::Bind().

jingle/glue/channel_socket_adapter.cc

Index: jingle/glue/channel_socket_adapter.cc
diff --git a/jingle/glue/channel_socket_adapter.cc b/jingle/glue/channel_socket_adapter.cc
index 3e22a35194223f819209141f5f293f6198fae949..ae7150a7013d42d5c68a60eab6d5cc32e3d11259 100644
--- a/jingle/glue/channel_socket_adapter.cc
+++ b/jingle/glue/channel_socket_adapter.cc
@@ -18,8 +18,6 @@ TransportChannelSocketAdapter::TransportChannelSocketAdapter(
     cricket::TransportChannel* channel)
     : message_loop_(MessageLoop::current()),
       channel_(channel),
-      old_read_callback_(NULL),
-      write_callback_(NULL),
       closed_error_code_(net::OK) {
   DCHECK(channel_);
 
@@ -35,30 +33,13 @@ TransportChannelSocketAdapter::~TransportChannelSocketAdapter() {
 }
 
 int TransportChannelSocketAdapter::Read(
-    net::IOBuffer* buf, int buffer_size, net::OldCompletionCallback* callback) {
-  DCHECK_EQ(MessageLoop::current(), message_loop_);
-  DCHECK(buf);
-  DCHECK(callback);
-  CHECK(!old_read_callback_ && read_callback_.is_null());
-
-  if (!channel_) {
-    DCHECK(closed_error_code_ != net::OK);
-    return closed_error_code_;
-  }
-
-  old_read_callback_ = callback;
-  read_buffer_ = buf;
-  read_buffer_size_ = buffer_size;
-
-  return net::ERR_IO_PENDING;
-}
-int TransportChannelSocketAdapter::Read(
-    net::IOBuffer* buf, int buffer_size,
+    net::IOBuffer* buf,
+    int buffer_size,
     const net::CompletionCallback& callback) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK(buf);
   DCHECK(!callback.is_null());
-  CHECK(!old_read_callback_ && read_callback_.is_null());
+  CHECK(read_callback_.is_null());
 
   if (!channel_) {
     DCHECK(closed_error_code_ != net::OK);
@@ -73,11 +54,13 @@ int TransportChannelSocketAdapter::Read(
 }
 
 int TransportChannelSocketAdapter::Write(
-    net::IOBuffer* buffer, int buffer_size, net::OldCompletionCallback* callback) {
+    net::IOBuffer* buffer,
+    int buffer_size,
+    const net::CompletionCallback& callback) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK(buffer);
-  DCHECK(callback);
-  CHECK(!write_callback_);
+  DCHECK(!callback.is_null());
+  CHECK(write_callback_.is_null());
 
   if (!channel_) {
     DCHECK(closed_error_code_ != net::OK);
@@ -129,23 +112,18 @@ void TransportChannelSocketAdapter::Close(int error_code) {
   channel_->SignalDestroyed.disconnect(this);
   channel_ = NULL;
 
-  if (old_read_callback_) {
-    net::OldCompletionCallback* callback = old_read_callback_;
-    old_read_callback_ = NULL;
-    read_buffer_ = NULL;
-    callback->Run(error_code);
-  } else if (!read_callback_.is_null()) {
+  if (!read_callback_.is_null()) {
     net::CompletionCallback callback = read_callback_;
     read_callback_.Reset();
     read_buffer_ = NULL;
     callback.Run(error_code);
   }
 
-  if (write_callback_) {
-    net::OldCompletionCallback* callback = write_callback_;
-    write_callback_ = NULL;
+  if (!write_callback_.is_null()) {
+    net::CompletionCallback callback = write_callback_;
+    write_callback_.Reset();
     write_buffer_ = NULL;
-    callback->Run(error_code);
+    callback.Run(error_code);
   }
 }
 
@@ -153,7 +131,7 @@ void TransportChannelSocketAdapter::OnNewPacket(
     cricket::TransportChannel* channel, const char* data, size_t data_size) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK_EQ(channel, channel_);
-  if (old_read_callback_ || !read_callback_.is_null()) {
+  if (!read_callback_.is_null()) {
     DCHECK(read_buffer_);
     CHECK_LT(data_size, static_cast<size_t>(std::numeric_limits<int>::max()));
 
@@ -165,17 +143,11 @@ void TransportChannelSocketAdapter::OnNewPacket(
 
     memcpy(read_buffer_->data(), data, data_size);
 
-    if (old_read_callback_) {
-      net::OldCompletionCallback* callback = old_read_callback_;
-      old_read_callback_ = NULL;
-      read_buffer_ = NULL;
-      callback->Run(data_size);
-    } else {
-      net::CompletionCallback callback = read_callback_;
-      read_callback_.Reset();
-      read_buffer_ = NULL;
-      callback.Run(data_size);
-    }
+    net::CompletionCallback callback = read_callback_;
+    read_callback_.Reset();
+    read_buffer_ = NULL;
+
+    callback.Run(data_size);
   } else {
     LOG(WARNING)
         << "Data was received without a callback. Dropping the packet.";
@@ -186,17 +158,17 @@ void TransportChannelSocketAdapter::OnWritableState(
     cricket::TransportChannel* channel) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   // Try to send the packet if there is a pending write.
-  if (write_callback_) {
+  if (!write_callback_.is_null()) {
     int result = channel_->SendPacket(write_buffer_->data(),
                                       write_buffer_size_);
     if (result < 0)
       result = net::MapSystemError(channel_->GetError());
 
     if (result != net::ERR_IO_PENDING) {
-      net::OldCompletionCallback* callback = write_callback_;
-      write_callback_ = NULL;
+      net::CompletionCallback callback = write_callback_;
+      write_callback_.Reset();
       write_buffer_ = NULL;
-      callback->Run(result);
+      callback.Run(result);
     }
   }
 }