Move xfa/fwl/core to xfa/fwl.

xfa/fwl/core/cfwl_themepart.cpp

Index: xfa/fwl/core/cfwl_themepart.cpp
diff --git a/xfa/fwl/core/cfwl_themepart.cpp b/xfa/fwl/core/cfwl_themepart.cpp
deleted file mode 100644
index 6b48a1e03eccc1b1c7b6350f3a6e2472cd619f2c..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/cfwl_themepart.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2016 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/cfwl_themepart.h"
-
-CFWL_ThemePart::CFWL_ThemePart()
-    : m_pWidget(nullptr),
-      m_iPart(CFWL_Part::None),
-      m_dwStates(CFWL_PartState_Normal),
-      m_bMaximize(false),
-      m_bStaticBackground(false),
-      m_pData(nullptr) {
-  m_rtPart.Reset();
-  m_matrix.SetIdentity();
-}