more perf updates

lib/internal/http2.js

@@ -1307,17 +1307,19 @@ function initializeTLSOptions(options) {
   return options;
 }
 
+function onErrorSecureServerSession(err, conn) {
+  if (!this.emit('clientError', err, conn))
+    conn.destroy(err);
+}
+
 class Http2SecureServerSession extends TLSServer {
   constructor(options, requestListener) {
     super(initializeTLSOptions(options), connectionListener);
     this[kOptions] = options;
     this.timeout = kDefaultSocketTimeout;
     if (typeof requestListener === 'function')
       this.on('request', requestListener);
-    this.on('tlsClientError', (err, conn) => {
-      if (!this.emit('clientError', err, conn))
-        conn.destroy(err);
-    });
+    this.on('tlsClientError', onErrorSecureServerSession);
   }
 
   setTimeout(msecs, callback) {
@@ -1475,9 +1477,8 @@ class Http2ClientSession extends EventEmitter {
       this[kSocket] = socket;
 
       const session = this[kSession] = createClientSession(options, socket);
-      socket.once('error', (error) => {
-        console.log(error);
-      });
+      // TODO remove this
+      socket.once('error', console.log);
       socket.on('resume', socketOnResume);
       socket.on('pause', socketOnPause);
       socket.on('drain', socketOnDrain);
@@ -1605,20 +1606,7 @@ class Http2ClientRequest extends Http2Outgoing {
       const _handle = this.stream.session.request(mapToHeaders(this[kHeaders]), true);
       if (_handle instanceof http2.Http2Stream) {
         this[kId] = _handle.getId();
-        this.stream.once('handle', () => {
-          if (this[kTrailers] instanceof Map) {
-            for (const v of this[kTrailers]) {
-              const key = String(v[0]);
-              const value = v[1];
-              if (Array.isArray(value) && value.length > 0) {
-                for (const item of value)
-                  this.stream.addTrailer(key, String(item));
-              } else {
-                this.stream.addTrailer(key, String(value));
-              }
-            }
-          }
-        });
+        this.stream.once('handle', kBeginSendHandle(this))
         this.stream._handle = _handle;
       }
     }
@@ -1629,6 +1617,23 @@ class Http2ClientRequest extends Http2Outgoing {
   }
 }
 
+function kBeginSendHandle(that) {
+  return function() {
+    if (that[kTrailers] instanceof Map) {
+      for (const v of that[kTrailers]) {
+        const key = String(v[0]);
+        const value = v[1];
+        if (Array.isArray(value) && value.length > 0) {
+          for (const item of value)
+            that.stream.addTrailer(key, String(item));
+        } else {
+          that.stream.addTrailer(key, String(value));
+        }
+      }
+    }
+  }
+}
+
 class Http2ClientResponse extends Http2Incoming {
   constructor(stream, headers, options) {
     super(stream, headers, options);