10 files changed, 110 insertions, 0 deletions
diff --git a/src/webenginewidgets/api/qwebenginedownloaditem_p.h b/src/webenginewidgets/api/qwebenginedownloaditem_p.h
index 40c7c6b49..87dc4114a 100644
--- a/src/webenginewidgets/api/qwebenginedownloaditem_p.h
+++ b/src/webenginewidgets/api/qwebenginedownloaditem_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEDOWNLOADITEM_P_H
 #define QWEBENGINEDOWNLOADITEM_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qtwebenginewidgetsglobal.h"
 
 #include "qwebenginedownloaditem_p.h"
diff --git a/src/webenginewidgets/api/qwebenginehistory_p.h b/src/webenginewidgets/api/qwebenginehistory_p.h
index a3c773c5e..e45023177 100644
--- a/src/webenginewidgets/api/qwebenginehistory_p.h
+++ b/src/webenginewidgets/api/qwebenginehistory_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEHISTORY_P_H
 #define QWEBENGINEHISTORY_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qshareddata.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
index 8f45ecddf..0fcd05d3c 100644
--- a/src/webenginewidgets/api/qwebenginepage_p.h
+++ b/src/webenginewidgets/api/qwebenginepage_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEPAGE_P_H
 #define QWEBENGINEPAGE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qwebenginepage.h"
 
 #include "qwebenginescriptcollection.h"
diff --git a/src/webenginewidgets/api/qwebengineprofile_p.h b/src/webenginewidgets/api/qwebengineprofile_p.h
index 55941580d..ee3ea57d8 100644
--- a/src/webenginewidgets/api/qwebengineprofile_p.h
+++ b/src/webenginewidgets/api/qwebengineprofile_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEPROFILE_P_H
 #define QWEBENGINEPROFILE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "browser_context_adapter_client.h"
 #include "qwebengineprofile.h"
 #include "qwebengineurlschemehandler_p.h"
diff --git a/src/webenginewidgets/api/qwebenginescriptcollection_p.h b/src/webenginewidgets/api/qwebenginescriptcollection_p.h
index 76267c70c..cc6e88445 100644
--- a/src/webenginewidgets/api/qwebenginescriptcollection_p.h
+++ b/src/webenginewidgets/api/qwebenginescriptcollection_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINESCRIPTCOLLECTION_P_H
 #define QWEBENGINESCRIPTCOLLECTION_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qtwebenginewidgetsglobal.h"
 
 #include "qwebenginescript.h"
diff --git a/src/webenginewidgets/api/qwebengineurlrequestjob_p.h b/src/webenginewidgets/api/qwebengineurlrequestjob_p.h
index aa39c5adc..32e2498fa 100644
--- a/src/webenginewidgets/api/qwebengineurlrequestjob_p.h
+++ b/src/webenginewidgets/api/qwebengineurlrequestjob_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEURLREQUESTJOB_H
 #define QWEBENGINEURLREQUESTJOB_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qtwebenginewidgetsglobal.h"
 
 #include <QtCore/QByteArray>
diff --git a/src/webenginewidgets/api/qwebengineurlschemehandler_p.h b/src/webenginewidgets/api/qwebengineurlschemehandler_p.h
index b1c189bc4..7de87dff2 100644
--- a/src/webenginewidgets/api/qwebengineurlschemehandler_p.h
+++ b/src/webenginewidgets/api/qwebengineurlschemehandler_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEURLSCHEMEHANDLER_H
 #define QWEBENGINEURLSCHEMEHANDLER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qtwebenginewidgetsglobal.h"
 
 #include <QtCore/QByteArray>
diff --git a/src/webenginewidgets/api/qwebengineurlschemehandler_p_p.h b/src/webenginewidgets/api/qwebengineurlschemehandler_p_p.h
index 8472f5319..d349d7d8c 100644
--- a/src/webenginewidgets/api/qwebengineurlschemehandler_p_p.h
+++ b/src/webenginewidgets/api/qwebengineurlschemehandler_p_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEURLSCHEMEHANDLER_P_H
 #define QWEBENGINEURLSCHEMEHANDLER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qwebengineurlschemehandler_p.h"
 
 #include "custom_url_scheme_handler.h"
diff --git a/src/webenginewidgets/api/qwebengineview_p.h b/src/webenginewidgets/api/qwebengineview_p.h
index b69a27ac2..af8bc70ac 100644
--- a/src/webenginewidgets/api/qwebengineview_p.h
+++ b/src/webenginewidgets/api/qwebengineview_p.h
@@ -37,6 +37,17 @@
 #ifndef QWEBENGINEVIEW_P_H
 #define QWEBENGINEVIEW_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWebEngineWidgets/qwebengineview.h>
 
 #include <QtWidgets/qaccessiblewidget.h>
diff --git a/src/webenginewidgets/ui/messagebubblewidget_p.h b/src/webenginewidgets/ui/messagebubblewidget_p.h
index 46b36149a..28ccf1b13 100644
--- a/src/webenginewidgets/ui/messagebubblewidget_p.h
+++ b/src/webenginewidgets/ui/messagebubblewidget_p.h
@@ -37,6 +37,17 @@
 #ifndef MESSAGEBUBBLEWIDGET_P_H
 #define MESSAGEBUBBLEWIDGET_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QWidget>
 #include <QPainterPath>