Remove aggressive DCHECK in remoting::protocol::MessageReader()

remoting/protocol/message_reader.cc

 // Copyright (c) 2010 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.
 
 #include "remoting/protocol/message_reader.h"
 
 #include "base/message_loop.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/socket/socket.h"
@@ skipping 22 matching lines @@
 void MessageReader::Init(net::Socket* socket,
                          MessageReceivedCallback* callback) {
   message_received_callback_.reset(callback);
   DCHECK(socket);
   socket_ = socket;
   message_loop_ = MessageLoop::current();
   DoRead();
 }
 
 void MessageReader::DoRead() {
-  DCHECK(!read_pending_);
-
   // Don't try to read again if there is another read pending or we
   // have messages that we haven't finished processing yet.
   while (!closed_ && !read_pending_ && pending_messages_ == 0) {
     read_buffer_ = new net::IOBuffer(kReadBufferSize);
     int result = socket_->Read(
         read_buffer_, kReadBufferSize, &read_callback_);
     HandleReadResult(result);
   }
 }
 
@@ skipping 59 matching lines @@
   }
 
   pending_messages_--;
   DCHECK_GE(pending_messages_, 0);
 
   DoRead(); // Start next read if neccessary.
 }
 
 }  // namespace protocol
 }  // namespace remoting