Use QgsProcessingHistoryDialog for Processing history dialog

And remove old class

python/plugins/processing/ProcessingPlugin.py

@@ -38,15 +38,15 @@
                        QgsSettings)
 from qgis.gui import (QgsGui,
                       QgsOptionsWidgetFactory,
-                      QgsCustomDropHandler)
+                      QgsCustomDropHandler,
+                      QgsProcessingHistoryDialog)
 from qgis.PyQt.QtCore import QObject, Qt, QItemSelectionModel, QCoreApplication, QDir, QFileInfo, pyqtSlot
 from qgis.PyQt.QtWidgets import QWidget, QMenu, QAction
 from qgis.PyQt.QtGui import QIcon, QKeySequence
 from qgis.utils import iface
 
 from processing.core.Processing import Processing
 from processing.gui.ProcessingToolbox import ProcessingToolbox
-from processing.gui.HistoryDialog import HistoryDialog
 from processing.gui.ConfigDialog import ConfigOptionsPage
 from processing.gui.ResultsDock import ResultsDock
 from processing.gui.MessageDialog import MessageDialog
@@ -499,8 +499,9 @@ def openResults(self):
             self.resultsDock.show()
 
     def openHistory(self):
-        dlg = HistoryDialog()
-        dlg.exec_()
+        dlg = QgsProcessingHistoryDialog(self.iface.mainWindow())
+        dlg.setAttribute(Qt.WA_DeleteOnClose)
+        dlg.show()
 
     def tr(self, message, disambiguation=None, n=-1):
         return QCoreApplication.translate('ProcessingPlugin', message, disambiguation=disambiguation, n=n)

python/plugins/processing/gui/BatchPanel.py

@@ -38,7 +38,7 @@
     QAction
 )
 
-# adding to this list? also update the HistoryDialog.py executeAlgorithm imports!!
+# adding to this list? also update the QgsProcessingHistoryProvider executeAlgorithm imports!!
 
 from qgis.PyQt.QtCore import (
     QTime,  # NOQA - must be here for saved file evaluation