Move xfa/include/fwl/{core,basewidget} to xfa/fwl/{core,basewidget}.

xfa/fwl/core/ifwl_proxy.h

Index: xfa/fwl/core/ifwl_proxy.h
diff --git a/xfa/fwl/core/ifwl_proxy.h b/xfa/fwl/core/ifwl_proxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..80393c538217541fdb1ca9449de8847a3211a70c
--- /dev/null
+++ b/xfa/fwl/core/ifwl_proxy.h
@@ -0,0 +1,21 @@
+// 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
+
+#ifndef XFA_FWL_CORE_IFWL_PROXY_H_
+#define XFA_FWL_CORE_IFWL_PROXY_H_
+
+#include "core/fxcrt/include/fx_coordinates.h"
+#include "core/fxcrt/include/fx_system.h"
+#include "xfa/fwl/core/fwl_error.h"
+
+class IFWL_Proxy {
+ public:
+  virtual ~IFWL_Proxy() {}
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) = 0;
+  virtual FWL_ERR Update() = 0;
+};
+
+#endif  // XFA_FWL_CORE_IFWL_PROXY_H_