Update NetLog to be thread safe.

net/base/forwarding_net_log_unittest.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 "net/base/forwarding_net_log.h"
-
-#include "base/message_loop.h"
-#include "net/base/capturing_net_log.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-
-namespace {
-
-// Test forwarding a call to AddEntry() to another implementation, operating
-// on this same message loop.
-TEST(ForwardingNetLogTest, Basic) {
-  // Create a forwarding NetLog that sends messages to this same thread.
-  CapturingNetLog log(CapturingNetLog::kUnbounded);
-  ForwardingNetLog forwarding(&log, MessageLoop::current());
-
-  EXPECT_EQ(0u, log.entries().size());
-
-  NetLogStringParameter* params = new NetLogStringParameter("xxx", "yyy");
-
-  forwarding.AddEntry(
-      NetLog::TYPE_PAC_JAVASCRIPT_ALERT,
-      base::TimeTicks(),
-      NetLog::Source(),
-      NetLog::PHASE_NONE,
-      params);
-
-  // Should still be empty, since we posted an async task.
-  EXPECT_EQ(0u, log.entries().size());
-
-  MessageLoop::current()->RunAllPending();
-
-  // After draining the message loop, we should now have executed the task
-  // and hence emitted the log entry.
-  ASSERT_EQ(1u, log.entries().size());
-
-  // Check that the forwarded call contained received all the right inputs.
-  EXPECT_EQ(NetLog::TYPE_PAC_JAVASCRIPT_ALERT, log.entries()[0].type);
-  EXPECT_EQ(NetLog::SOURCE_NONE, log.entries()[0].source.type);
-  EXPECT_EQ(NetLog::PHASE_NONE, log.entries()[0].phase);
-  EXPECT_EQ(params, log.entries()[0].extra_parameters.get());
-
-  // Check that the parameters is still referenced. (if the reference was
-  // lost then this will be a memory error and probaby crash).
-  EXPECT_EQ("yyy", params->value());
-}
-
-// Test forwarding a call to AddEntry() to another implementation that runs
-// on the same message loop. However destroy the forwarder before the posted
-// task has a chance to run.
-TEST(ForwardingNetLogTest, Orphan) {
-  // Create a forwarding NetLog that sends messages to this same thread.
-  CapturingNetLog log(CapturingNetLog::kUnbounded);
-  {
-    ForwardingNetLog forwarding(&log, MessageLoop::current());
-    EXPECT_EQ(0u, log.entries().size());
-
-    forwarding.AddEntry(
-        NetLog::TYPE_PAC_JAVASCRIPT_ALERT,
-        base::TimeTicks(),
-        NetLog::Source(),
-        NetLog::PHASE_NONE,
-        NULL);
-
-    // Should still be empty, since we posted an async task.
-    EXPECT_EQ(0u, log.entries().size());
-  }
-
-  // At this point the ForwardingNetLog is deleted. However it had already
-  // posted a task to the message loop. Once we drain the message loop, we
-  // verify that the task didn't actually try to emit to the NetLog.
-  MessageLoop::current()->RunAllPending();
-  EXPECT_EQ(0u, log.entries().size());
-}
-
-}  // namespace
-
-}  // namespace net
-