Rename IFWL classes which do not have CFWL equivalents

xfa/fwl/core/ifwl_datetimeedit.cpp

Index: xfa/fwl/core/ifwl_datetimeedit.cpp
diff --git a/xfa/fwl/core/ifwl_datetimeedit.cpp b/xfa/fwl/core/ifwl_datetimeedit.cpp
deleted file mode 100644
index 62ab4f6d192846ff7c730f70312bafdeb5f46e64..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/ifwl_datetimeedit.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fwl/core/ifwl_datetimeedit.h"
-
-#include <memory>
-#include <utility>
-
-#include "third_party/base/ptr_util.h"
-#include "xfa/fwl/core/cfwl_msgmouse.h"
-#include "xfa/fwl/core/cfwl_widgetmgr.h"
-#include "xfa/fwl/core/ifwl_datetimepicker.h"
-
-IFWL_DateTimeEdit::IFWL_DateTimeEdit(
-    const CFWL_App* app,
-    std::unique_ptr<CFWL_WidgetProperties> properties,
-    IFWL_Widget* pOuter)
-    : IFWL_Edit(app, std::move(properties), pOuter) {}
-
-void IFWL_DateTimeEdit::OnProcessMessage(CFWL_Message* pMessage) {
-  if (m_pWidgetMgr->IsFormDisabled()) {
-    DisForm_OnProcessMessage(pMessage);
-    return;
-  }
-
-  CFWL_MessageType dwHashCode = pMessage->GetClassID();
-  if (dwHashCode == CFWL_MessageType::SetFocus ||
-      dwHashCode == CFWL_MessageType::KillFocus) {
-    IFWL_Widget* pOuter = GetOuter();
-    pOuter->GetDelegate()->OnProcessMessage(pMessage);
-  }
-}
-
-void IFWL_DateTimeEdit::DisForm_OnProcessMessage(CFWL_Message* pMessage) {
-  CFWL_MessageType dwHashCode = pMessage->GetClassID();
-  if (!m_pWidgetMgr->IsFormDisabled() ||
-      dwHashCode != CFWL_MessageType::Mouse) {
-    IFWL_Edit::OnProcessMessage(pMessage);
-    return;
-  }
-
-  CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
-  if (pMouse->m_dwCmd == FWL_MouseCommand::LeftButtonDown ||
-      pMouse->m_dwCmd == FWL_MouseCommand::RightButtonDown) {
-    if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
-      m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
-
-    IFWL_DateTimePicker* pDateTime =
-        static_cast<IFWL_DateTimePicker*>(m_pOuter);
-    if (pDateTime->IsMonthCalendarVisible()) {
-      CFX_RectF rtInvalidate;
-      pDateTime->GetWidgetRect(rtInvalidate);
-      pDateTime->ShowMonthCalendar(false);
-      rtInvalidate.Offset(-rtInvalidate.left, -rtInvalidate.top);
-      pDateTime->Repaint(&rtInvalidate);
-    }
-  }
-  IFWL_Edit::OnProcessMessage(pMessage);
-}