Revert 113699 - base::Bind: Convert Socket::Write.

BUG=none
TEST=none
R=csilv

Review URL: http://codereview.chromium.org/8831001

TBR=jhawkins@chromium.org
Review URL: http://codereview.chromium.org/8889036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113719 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 24 insertions, 134 deletions

diff --git a/jingle/glue/channel_socket_adapter.cc b/jingle/glue/channel_socket_adapter.cc
index 39b3eb45c..3e22a35 100644
--- a/jingle/glue/channel_socket_adapter.cc
+++ b/jingle/glue/channel_socket_adapter.cc
@@ -19,7 +19,7 @@ TransportChannelSocketAdapter::TransportChannelSocketAdapter(
     : message_loop_(MessageLoop::current()),
       channel_(channel),
       old_read_callback_(NULL),
-      old_write_callback_(NULL),
+      write_callback_(NULL),
       closed_error_code_(net::OK) {
   DCHECK(channel_);
 
@@ -73,47 +73,11 @@ int TransportChannelSocketAdapter::Read(
 }
 
 int TransportChannelSocketAdapter::Write(
-    net::IOBuffer* buffer, int buffer_size,
-    net::OldCompletionCallback* callback) {
+    net::IOBuffer* buffer, int buffer_size, net::OldCompletionCallback* callback) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK(buffer);
   DCHECK(callback);
-  CHECK(!old_write_callback_ && write_callback_.is_null());
-
-  if (!channel_) {
-    DCHECK(closed_error_code_ != net::OK);
-    return closed_error_code_;
-  }
-
-  int result;
-  if (channel_->writable()) {
-    result = channel_->SendPacket(buffer->data(), buffer_size);
-    if (result < 0) {
-      result = net::MapSystemError(channel_->GetError());
-
-      // If the underlying socket returns IO pending where it shouldn't we
-      // pretend the packet is dropped and return as succeeded because no
-      // writeable callback will happen.
-      if (result == net::ERR_IO_PENDING)
-        result = net::OK;
-    }
-  } else {
-    // Channel is not writable yet.
-    result = net::ERR_IO_PENDING;
-    old_write_callback_ = callback;
-    write_buffer_ = buffer;
-    write_buffer_size_ = buffer_size;
-  }
-
-  return result;
-}
-int TransportChannelSocketAdapter::Write(
-    net::IOBuffer* buffer, int buffer_size,
-    const net::CompletionCallback& callback) {
-  DCHECK_EQ(MessageLoop::current(), message_loop_);
-  DCHECK(buffer);
-  DCHECK(!callback.is_null());
-  CHECK(!old_write_callback_ && write_callback_.is_null());
+  CHECK(!write_callback_);
 
   if (!channel_) {
     DCHECK(closed_error_code_ != net::OK);
@@ -177,16 +141,11 @@ void TransportChannelSocketAdapter::Close(int error_code) {
     callback.Run(error_code);
   }
 
-  if (old_write_callback_) {
-    net::OldCompletionCallback* callback = old_write_callback_;
-    old_write_callback_ = NULL;
+  if (write_callback_) {
+    net::OldCompletionCallback* callback = write_callback_;
+    write_callback_ = NULL;
     write_buffer_ = NULL;
     callback->Run(error_code);
-  } else if (!write_callback_.is_null()) {
-    net::CompletionCallback callback = write_callback_;
-    write_callback_.Reset();
-    write_buffer_ = NULL;
-    callback.Run(error_code);
   }
 }
 
@@ -227,24 +186,17 @@ void TransportChannelSocketAdapter::OnWritableState(
     cricket::TransportChannel* channel) {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   // Try to send the packet if there is a pending write.
-  if (old_write_callback_ || !write_callback_.is_null()) {
+  if (write_callback_) {
     int result = channel_->SendPacket(write_buffer_->data(),
                                       write_buffer_size_);
     if (result < 0)
       result = net::MapSystemError(channel_->GetError());
 
     if (result != net::ERR_IO_PENDING) {
-      if (old_write_callback_) {
-        net::OldCompletionCallback* callback = old_write_callback_;
-        old_write_callback_ = NULL;
-        write_buffer_ = NULL;
-        callback->Run(result);
-      } else {
-        net::CompletionCallback callback = write_callback_;
-        write_callback_.Reset();
-        write_buffer_ = NULL;
-        callback.Run(result);
-      }
+      net::OldCompletionCallback* callback = write_callback_;
+      write_callback_ = NULL;
+      write_buffer_ = NULL;
+      callback->Run(result);
     }
   }
 }
diff --git a/jingle/glue/channel_socket_adapter.h b/jingle/glue/channel_socket_adapter.h
index 75af022..1f367e8 100644
--- a/jingle/glue/channel_socket_adapter.h
+++ b/jingle/glue/channel_socket_adapter.h
@@ -41,8 +41,6 @@ class TransportChannelSocketAdapter : public net::Socket,
                    const net::CompletionCallback& callback) OVERRIDE;
   virtual int Write(net::IOBuffer* buf, int buf_len,
                     net::OldCompletionCallback* callback) OVERRIDE;
-  virtual int Write(net::IOBuffer* buf, int buf_len,
-                    const net::CompletionCallback& callback) OVERRIDE;
 
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual bool SetSendBufferSize(int32 size) OVERRIDE;
@@ -62,8 +60,7 @@ class TransportChannelSocketAdapter : public net::Socket,
   scoped_refptr<net::IOBuffer> read_buffer_;
   int read_buffer_size_;
 
-  net::OldCompletionCallback* old_write_callback_;  // Not owned.
-  net::CompletionCallback write_callback_;
+  net::OldCompletionCallback* write_callback_;  // Not owned.
   scoped_refptr<net::IOBuffer> write_buffer_;
   int write_buffer_size_;
 
diff --git a/jingle/glue/pseudotcp_adapter.cc b/jingle/glue/pseudotcp_adapter.cc
index 84b0dcc..7807eed 100644
--- a/jingle/glue/pseudotcp_adapter.cc
+++ b/jingle/glue/pseudotcp_adapter.cc
@@ -35,8 +35,6 @@ class PseudoTcpAdapter::Core : public cricket::IPseudoTcpNotify,
            const net::CompletionCallback& callback);
   int Write(net::IOBuffer* buffer, int buffer_size,
             net::OldCompletionCallback* callback);
-  int Write(net::IOBuffer* buffer, int buffer_size,
-            const net::CompletionCallback& callback);
   int Connect(net::OldCompletionCallback* callback);
   int Connect(const net::CompletionCallback& callback);
   void Disconnect();
@@ -77,8 +75,7 @@ class PseudoTcpAdapter::Core : public cricket::IPseudoTcpNotify,
   net::CompletionCallback connect_callback_;
   net::OldCompletionCallback* old_read_callback_;
   net::CompletionCallback read_callback_;
-  net::OldCompletionCallback* old_write_callback_;
-  net::CompletionCallback write_callback_;
+  net::OldCompletionCallback* write_callback_;
 
   cricket::PseudoTcp pseudo_tcp_;
   scoped_ptr<net::Socket> socket_;
@@ -103,7 +100,7 @@ class PseudoTcpAdapter::Core : public cricket::IPseudoTcpNotify,
 PseudoTcpAdapter::Core::Core(net::Socket* socket)
     : old_connect_callback_(NULL),
       old_read_callback_(NULL),
-      old_write_callback_(NULL),
+      write_callback_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(pseudo_tcp_(this, 0)),
       socket_(socket),
       socket_write_pending_(false),
@@ -167,30 +164,7 @@ int PseudoTcpAdapter::Core::Read(net::IOBuffer* buffer, int buffer_size,
 
 int PseudoTcpAdapter::Core::Write(net::IOBuffer* buffer, int buffer_size,
                                   net::OldCompletionCallback* callback) {
-  DCHECK(!old_write_callback_ && write_callback_.is_null());
-
-  // Reference the Core in case a callback deletes the adapter.
-  scoped_refptr<Core> core(this);
-
-  int result = pseudo_tcp_.Send(buffer->data(), buffer_size);
-  if (result < 0) {
-    result = net::MapSystemError(pseudo_tcp_.GetError());
-    DCHECK(result < 0);
-  }
-
-  if (result == net::ERR_IO_PENDING) {
-    write_buffer_ = buffer;
-    write_buffer_size_ = buffer_size;
-    old_write_callback_ = callback;
-  }
-
-  AdjustClock();
-
-  return result;
-}
-int PseudoTcpAdapter::Core::Write(net::IOBuffer* buffer, int buffer_size,
-                                  const net::CompletionCallback& callback) {
-  DCHECK(!old_write_callback_ && write_callback_.is_null());
+  DCHECK(!write_callback_);
 
   // Reference the Core in case a callback deletes the adapter.
   scoped_refptr<Core> core(this);
@@ -257,8 +231,7 @@ void PseudoTcpAdapter::Core::Disconnect() {
   old_read_callback_ = NULL;
   read_callback_.Reset();
   read_buffer_ = NULL;
-  old_write_callback_ = NULL;
-  write_callback_.Reset();
+  write_callback_ = NULL;
   write_buffer_ = NULL;
   old_connect_callback_ = NULL;
   connect_callback_.Reset();
@@ -324,7 +297,7 @@ void PseudoTcpAdapter::Core::OnTcpReadable(PseudoTcp* tcp) {
 
 void PseudoTcpAdapter::Core::OnTcpWriteable(PseudoTcp* tcp) {
   DCHECK_EQ(tcp, &pseudo_tcp_);
-  if (!old_write_callback_ && write_callback_.is_null())
+  if (!write_callback_)
     return;
 
   int result = pseudo_tcp_.Send(write_buffer_->data(), write_buffer_size_);
@@ -337,17 +310,10 @@ void PseudoTcpAdapter::Core::OnTcpWriteable(PseudoTcp* tcp) {
 
   AdjustClock();
 
-  if (old_write_callback_) {
-    net::OldCompletionCallback* callback = old_write_callback_;
-    old_write_callback_ = NULL;
-    write_buffer_ = NULL;
-    callback->Run(result);
-  } else {
-    net::CompletionCallback callback = write_callback_;
-    write_callback_.Reset();
-    write_buffer_ = NULL;
-    callback.Run(result);
-  }
+  net::OldCompletionCallback* callback = write_callback_;
+  write_callback_ = NULL;
+  write_buffer_ = NULL;
+  callback->Run(result);
 }
 
 void PseudoTcpAdapter::Core::OnTcpClosed(PseudoTcp* tcp, uint32 error) {
@@ -373,14 +339,10 @@ void PseudoTcpAdapter::Core::OnTcpClosed(PseudoTcp* tcp, uint32 error) {
     callback.Run(net::MapSystemError(error));
   }
 
-  if (old_write_callback_) {
-    net::OldCompletionCallback* callback = old_write_callback_;
-    old_write_callback_ = NULL;
+  if (write_callback_) {
+    net::OldCompletionCallback* callback = write_callback_;
+    write_callback_ = NULL;
     callback->Run(net::MapSystemError(error));
-  } else if (!write_callback_.is_null()) {
-    net::CompletionCallback callback = write_callback_;
-    write_callback_.Reset();
-    callback.Run(net::MapSystemError(error));
   }
 }
 
@@ -518,11 +480,6 @@ int PseudoTcpAdapter::Write(net::IOBuffer* buffer, int buffer_size,
   DCHECK(CalledOnValidThread());
   return core_->Write(buffer, buffer_size, callback);
 }
-int PseudoTcpAdapter::Write(net::IOBuffer* buffer, int buffer_size,
-                            const net::CompletionCallback& callback) {
-  DCHECK(CalledOnValidThread());
-  return core_->Write(buffer, buffer_size, callback);
-}
 
 bool PseudoTcpAdapter::SetReceiveBufferSize(int32 size) {
   DCHECK(CalledOnValidThread());
diff --git a/jingle/glue/pseudotcp_adapter.h b/jingle/glue/pseudotcp_adapter.h
index 6d3cf8c..f0d27ee 100644
--- a/jingle/glue/pseudotcp_adapter.h
+++ b/jingle/glue/pseudotcp_adapter.h
@@ -36,8 +36,6 @@ class PseudoTcpAdapter : public net::StreamSocket, base::NonThreadSafe {
                    const net::CompletionCallback& callback) OVERRIDE;
   virtual int Write(net::IOBuffer* buffer, int buffer_size,
                     net::OldCompletionCallback* callback) OVERRIDE;
-  virtual int Write(net::IOBuffer* buffer, int buffer_size,
-                    const net::CompletionCallback& callback) OVERRIDE;
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual bool SetSendBufferSize(int32 size) OVERRIDE;
 
diff --git a/jingle/glue/pseudotcp_adapter_unittest.cc b/jingle/glue/pseudotcp_adapter_unittest.cc
index 94b403f..6d803a5 100644
--- a/jingle/glue/pseudotcp_adapter_unittest.cc
+++ b/jingle/glue/pseudotcp_adapter_unittest.cc
@@ -174,20 +174,6 @@ class FakeSocket : public net::Socket {
 
     return buf_len;
   }
-  virtual int Write(net::IOBuffer* buf, int buf_len,
-                    const net::CompletionCallback& callback) OVERRIDE {
-    DCHECK(buf);
-    if (peer_socket_) {
-      MessageLoop::current()->PostDelayedTask(
-          FROM_HERE,
-          base::Bind(&FakeSocket::AppendInputPacket,
-                     base::Unretained(peer_socket_),
-                     std::vector<char>(buf->data(), buf->data() + buf_len)),
-          latency_ms_);
-    }
-
-    return buf_len;
-  }
 
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE {
     NOTIMPLEMENTED();