Add net-log entries when HttpStream jobs are forced to wait, and when they're delayed and resumed.

net/http/http_stream_factory_impl_job.cc

 // Copyright (c) 2012 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 "net/http/http_stream_factory_impl_job.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 791 matching lines @@
   return session_->IsQuicEnabled() &&
          (base::ContainsKey(session_->params().origins_to_force_quic_on,
                             HostPortPair()) ||
           base::ContainsKey(session_->params().origins_to_force_quic_on,
                             destination_)) &&
          proxy_info_.is_direct() && origin_url_.SchemeIs(url::kHttpsScheme);
 }
 
 int HttpStreamFactoryImpl::Job::DoWait() {
   next_state_ = STATE_WAIT_COMPLETE;
-  if (delegate_->ShouldWait(this))
+  bool should_wait = delegate_->ShouldWait(this);
+  net_log_.BeginEvent(NetLogEventType::HTTP_STREAM_JOB_WAITING,
+                      NetLog::BoolCallback("should_wait", should_wait));
+  if (should_wait)
     return ERR_IO_PENDING;
 
   return OK;
 }
 
 int HttpStreamFactoryImpl::Job::DoWaitComplete(int result) {
+  net_log_.EndEvent(NetLogEventType::HTTP_STREAM_JOB_WAITING);
   DCHECK_EQ(OK, result);
   next_state_ = STATE_INIT_CONNECTION;
   return OK;
 }
 
 int HttpStreamFactoryImpl::Job::DoInitConnection() {
   int result = DoInitConnectionImpl();
   if (result != ERR_SPDY_SESSION_ALREADY_EXISTS)
     delegate_->OnConnectionInitialized(this, result);
 
@@ skipping 705 matching lines @@
 
   ConnectionAttempts socket_attempts = connection_->connection_attempts();
   if (connection_->socket()) {
     connection_->socket()->GetConnectionAttempts(&socket_attempts);
   }
 
   delegate_->AddConnectionAttemptsToRequest(this, socket_attempts);
 }
 
 }  // namespace net