Revert "stream: add readableDidRead"

This reverts commit 8306051.

lib/_http_incoming.js

@@ -87,7 +87,6 @@ function IncomingMessage(socket) {
   this.statusMessage = null;
   this.client = socket;
 
-  // TODO: Deprecate and remove.
   this._consuming = false;
   // Flag for when we decide that this message cannot possibly be
   // read by the user, so there's no point continuing to handle it.

lib/_http_server.js

@@ -802,7 +802,7 @@ function resOnFinish(req, res, socket, state, server) {
   // If the user never called req.read(), and didn't pipe() or
   // .resume() or .on('data'), then we call req._dump() so that the
   // bytes will be pulled off the wire.
-  if (!req.readableDidRead)
+  if (!req._consuming && !req._readableState.resumeScheduled)
     req._dump();
 
   // Make sure the requestTimeout is cleared before finishing.

lib/internal/streams/readable.js

@@ -171,8 +171,6 @@ function ReadableState(options, stream, isDuplex) {
   // If true, a maybeReadMore has been scheduled.
   this.readingMore = false;
 
-  this.didRead = false;
-
   this.decoder = null;
   this.encoding = null;
   if (options && options.encoding) {
@@ -544,8 +542,6 @@ Readable.prototype.read = function(n) {
   if (ret !== null)
     this.emit('data', ret);
 
-  state.didRead = true;
-
   return ret;
 };
 
@@ -849,9 +845,7 @@ function pipeOnDrain(src, dest) {
 
     if ((!state.awaitDrainWriters || state.awaitDrainWriters.size === 0) &&
       EE.listenerCount(src, 'data')) {
-      // TODO(ronag): Call resume() instead?
       state.flowing = true;
-      state.didRead = true;
       flow(src);
     }
   };
@@ -999,7 +993,6 @@ Readable.prototype.resume = function() {
 function resume(stream, state) {
   if (!state.resumeScheduled) {
     state.resumeScheduled = true;
-    state.didRead = true;
     process.nextTick(resume_, stream, state);
   }
 }
@@ -1184,13 +1177,6 @@ ObjectDefineProperties(Readable.prototype, {
     }
   },
 
-  readableDidRead: {
-    enumerable: false,
-    get: function() {
-      return this._readableState.didRead;
-    }
-  },
-
   readableHighWaterMark: {
     enumerable: false,
     get: function() {