Reland "Add enable_ipc_logging build argument"

content/common/child_process_messages.h

 // 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.
 
 // Common IPC messages used for child processes.
 // Multiply-included message file, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/memory/shared_memory.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "cc/resources/shared_bitmap_manager.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits_macros.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/ipc/common/gpu_param_traits_macros.h"
 #include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_features.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
 
 #if defined(OS_LINUX)
 #include "base/threading/platform_thread.h"
 #endif
 
@@ skipping 51 matching lines @@
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START ChildProcessMsgStart
 
 // Messages sent from the browser to the child process.
 
 // Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child
 // process that it's safe to shutdown.
 IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown)
 
-#if defined(IPC_MESSAGE_LOG_ENABLED)
+#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
 // Tell the child process to begin or end IPC message logging.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled,
                      bool /* on or off */)
 #endif
 
 // Tell the child process to enable or disable the profiler status.
 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus,
                      tracked_objects::ThreadData::Status /* profiler status */)
 
 // Send to all the child processes to send back profiler data (ThreadData in
@@ skipping 65 matching lines @@
 // Release the cached font
 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts)
 #endif  // defined(OS_WIN)
 
 #if defined(OS_LINUX)
 // Asks the browser to change the priority of thread.
 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_SetThreadPriority,
                      base::PlatformThreadId,
                      base::ThreadPriority)
 #endif