Merge IFWL_App and FWL_AppImp together

xfa/fxfa/app/xfa_fftext.cpp

 // 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/fxfa/app/xfa_fftext.h"
 
 #include "xfa/fwl/core/fwl_widgetdef.h"
+#include "xfa/fwl/core/fwl_widgethit.h"
 #include "xfa/fxfa/app/xfa_ffdraw.h"
 #include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 #include "xfa/fxfa/xfa_ffdoc.h"
 #include "xfa/fxfa/xfa_ffpageview.h"
 #include "xfa/fxfa/xfa_ffwidget.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 
 CXFA_FFText::CXFA_FFText(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFDraw(pPageView, pDataAcc) {}
@@ skipping 147 matching lines @@
     }
   }
   return nullptr;
 }
 void CXFA_FFText::FWLToClient(FX_FLOAT& fx, FX_FLOAT& fy) {
   CFX_RectF rtWidget;
   GetRectWithoutRotate(rtWidget);
   fx -= rtWidget.left;
   fy -= rtWidget.top;
 }