Fix test expectations to use bool checks rather than null compares

remoting/protocol/fake_datagram_socket.cc

 // Copyright 2014 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 "remoting/protocol/fake_datagram_socket.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 119 matching lines @@
 FakeDatagramChannelFactory::FakeDatagramChannelFactory()
     : task_runner_(base::ThreadTaskRunnerHandle::Get()),
       asynchronous_create_(false),
       fail_create_(false),
       weak_factory_(this) {
 }
 
 FakeDatagramChannelFactory::~FakeDatagramChannelFactory() {
   for (ChannelsMap::iterator it = channels_.begin(); it != channels_.end();
        ++it) {
-    EXPECT_TRUE(it->second == nullptr);
+    EXPECT_FALSE(it->second);
   }
 }
 
 void FakeDatagramChannelFactory::PairWith(
     FakeDatagramChannelFactory* peer_factory) {
   peer_factory_ = peer_factory->weak_factory_.GetWeakPtr();
   peer_factory_->peer_factory_ = weak_factory_.GetWeakPtr();
 }
 
 FakeDatagramSocket* FakeDatagramChannelFactory::GetFakeChannel(
     const std::string& name) {
   return channels_[name].get();
 }
 
 void FakeDatagramChannelFactory::CreateChannel(
     const std::string& name,
     const ChannelCreatedCallback& callback) {
-  EXPECT_TRUE(channels_[name] == nullptr);
+  EXPECT_FALSE(channels_[name]);
 
   std::unique_ptr<FakeDatagramSocket> channel(new FakeDatagramSocket());
   channels_[name] = channel->GetWeakPtr();
 
   if (peer_factory_) {
     FakeDatagramSocket* peer_socket = peer_factory_->GetFakeChannel(name);
     if (peer_socket)
       channel->PairWith(peer_socket);
   }
 
@@ skipping 19 matching lines @@
     callback.Run(std::move(owned_socket));
 }
 
 void FakeDatagramChannelFactory::CancelChannelCreation(
     const std::string& name) {
   channels_.erase(name);
 }
 
 }  // namespace protocol
 }  // namespace remoting