Revert of Add enable_ipc_logging build argument

ipc/ipc_channel_proxy.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 "ipc/ipc_channel_proxy.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 60 matching lines @@
 
     base::AutoLock l(pending_filters_lock_);
     for (auto& entry : pending_io_thread_interfaces_)
       support->AddGenericAssociatedInterface(entry.first, entry.second);
     pending_io_thread_interfaces_.clear();
   }
 }
 
 bool ChannelProxy::Context::TryFilters(const Message& message) {
   DCHECK(message_filter_router_);
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#ifdef IPC_MESSAGE_LOG_ENABLED
   Logging* logger = Logging::GetInstance();
   if (logger->Enabled())
     logger->OnPreDispatchMessage(message);
 #endif
 
   if (message_filter_router_->TryFilters(message)) {
     if (message.dispatch_error()) {
       listener_task_runner_->PostTask(
           FROM_HERE, base::Bind(&Context::OnDispatchBadMessage, this, message));
     }
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#ifdef IPC_MESSAGE_LOG_ENABLED
     if (logger->Enabled())
       logger->OnPostDispatchMessage(message);
 #endif
     return true;
   }
   return false;
 }
 
 // Called on the IPC::Channel thread
 void ChannelProxy::Context::PauseChannel() {
@@ skipping 205 matching lines @@
       FROM_HERE, base::Bind(&Context::OnAddFilter, this));
 }
 
 // Called on the listener's thread
 void ChannelProxy::Context::OnDispatchMessage(const Message& message) {
   if (!listener_)
     return;
 
   OnDispatchConnected();
 
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#ifdef IPC_MESSAGE_LOG_ENABLED
   Logging* logger = Logging::GetInstance();
   if (message.type() == IPC_LOGGING_ID) {
     logger->OnReceivedLoggingMessage(message);
     return;
   }
 
   if (logger->Enabled())
     logger->OnPreDispatchMessage(message);
 #endif
 
   listener_->OnMessageReceived(message);
   if (message.dispatch_error())
     listener_->OnBadMessageReceived(message);
 
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#ifdef IPC_MESSAGE_LOG_ENABLED
   if (logger->Enabled())
     logger->OnPostDispatchMessage(message);
 #endif
 }
 
 // Called on the listener's thread
 void ChannelProxy::Context::OnDispatchConnected() {
   if (channel_connected_called_)
     return;
 
@@ skipping 179 matching lines @@
   // tests that call Send() from a wrong thread. See http://crbug.com/163523.
 
 #ifdef ENABLE_IPC_FUZZER
   // In IPC fuzzing builds, it is possible to define a filter to apply to
   // outgoing messages. It will either rewrite the message and return a new
   // one, freeing the original, or return the message unchanged.
   if (outgoing_message_filter())
     message = outgoing_message_filter()->Rewrite(message);
 #endif
 
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#ifdef IPC_MESSAGE_LOG_ENABLED
   Logging::GetInstance()->OnSendMessage(message);
 #endif
 
   context_->Send(message);
   return true;
 }
 
 void ChannelProxy::AddFilter(MessageFilter* filter) {
   DCHECK(CalledOnValidThread());
 
@@ skipping 28 matching lines @@
   DCHECK(CalledOnValidThread());
   context()->ClearIPCTaskRunner();
 }
 
 void ChannelProxy::OnChannelInit() {
 }
 
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC