Revert "Check if a stream has a valid fd before read_start"

uv_stream_t.fd is a private field which exists only on unix.
This reverts commit 8d5c1201f2.

src/stream_wrap.cc

@@ -132,10 +132,6 @@ Handle<Value> StreamWrap::ReadStart(const Arguments& args) {
 
   UNWRAP(StreamWrap)
 
-  // Probably the user did .pause() and then an immediate .resume()
-  // before the fd had been set up. Don't even try to set up.
-  if (wrap->stream_->fd < 0) return scope.Close(Integer::New(1));
-
   bool ipc_pipe = wrap->stream_->type == UV_NAMED_PIPE &&
                   ((uv_pipe_t*)wrap->stream_)->ipc;
   int r;

test/simple/test-net-resume-pause.js

@@ -1,85 +0,0 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-var common = require('../common');
-var assert = require('assert');
-
-var net = require('net');
-
-var received = false;
-
-// issue 3118
-var client = net.connect(12345, "localhost");
-client.on('error', function(err) {
-  assert.equal(err.message, 'connect ECONNREFUSED');
-});
-client.pause();
-client.resume();
-
-var server = net.createServer(function(socket) {
-  socket.on('data', function() {
-    socket.write('important data\r\n');
-  });
-
-  socket.on('end', function() {
-    socket.end();
-  });
-
-  socket.on('close', function(hadError) {
-    assert.equal(false, hadError);
-  });
-});
-
-server.listen(common.PORT, function() {
-  var resumed = false;
-
-  var client = net.createConnection(common.PORT);
-  client.setEncoding('UTF8');
-
-  client.on('connect', function() {
-    client.write('start\r\n');
-    client.pause();
-
-    setTimeout(function() {
-      client.resume();
-      resumed = true;
-    }, 500);
-  });
-
-  client.on('data', function(chunk) {
-    assert.equal('important data\r\n', chunk);
-
-    assert(resumed, 'got data before resume');
-
-    received = true;
-    client.end();
-  });
-
-  client.on('close', function(hadError) {
-    assert.equal(false, hadError);
-    server.close();
-  });
-});
-
-process.on('exit', function() {
-  assert(received);
-});
-