Revert of Add enable_ipc_logging build argument

content/shell/app/shell_main_delegate.cc

Index: content/shell/app/shell_main_delegate.cc
diff --git a/content/shell/app/shell_main_delegate.cc b/content/shell/app/shell_main_delegate.cc
index f850c4e5beb416f7ade1e247aeb6c252c4939262..b3efdc1ec5c0de0bcd61dd20673761833af5db12 100644
--- a/content/shell/app/shell_main_delegate.cc
+++ b/content/shell/app/shell_main_delegate.cc
@@ -12,7 +12,6 @@
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/path_service.h"
-#include "base/trace_event/trace_log.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "content/common/content_constants_internal.h"
@@ -35,7 +34,6 @@
 #include "content/shell/renderer/shell_content_renderer_client.h"
 #include "content/shell/utility/shell_content_utility_client.h"
 #include "gpu/config/gpu_switches.h"
-#include "ipc/ipc_features.h"
 #include "media/base/media_switches.h"
 #include "media/base/mime_util.h"
 #include "net/cookies/cookie_monster.h"
@@ -47,7 +45,9 @@
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_switches.h"
 
-#if BUILDFLAG(IPC_MESSAGE_LOG_ENABLED)
+#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
+
+#if defined(IPC_MESSAGE_LOG_ENABLED)
 #define IPC_MESSAGE_MACROS_LOG_ENABLED
 #include "content/public/common/content_ipc_logging.h"
 #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \