Adapt IPC logging to the newer version of Chromium

Now this feature is laying behind a generated buildflag.

Change-Id: I48786315c45df6d2e8a81231ce8941639de16bb1
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

src/core/common/qt_ipc_logging.cpp

@@ -37,9 +37,9 @@
 **
 ****************************************************************************/
 
-#include "ipc/ipc_message.h" // For IPC_MESSAGE_LOG_ENABLED
+#include "ipc/ipc_features.h" // Generated buildflag header
 
-#if defined(IPC_MESSAGE_LOG_ENABLED)
+#if BUILDFLAG(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) \