Remove xfa/src/fwl/src and move code up a level.

xfa/src/fwl/basewidget/fwl_pushbuttonimp.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/src/fwl/src/basewidget/fwl_pushbuttonimp.h"
+#include "xfa/src/fwl/basewidget/fwl_pushbuttonimp.h"
 
 #include "xfa/include/fwl/basewidget/fwl_pushbutton.h"
 #include "xfa/src/fdp/include/fde_tto.h"
-#include "xfa/src/fwl/src/core/fwl_noteimp.h"
-#include "xfa/src/fwl/src/core/fwl_targetimp.h"
-#include "xfa/src/fwl/src/core/fwl_widgetimp.h"
+#include "xfa/src/fwl/core/fwl_noteimp.h"
+#include "xfa/src/fwl/core/fwl_targetimp.h"
+#include "xfa/src/fwl/core/fwl_widgetimp.h"
 
 // static
 IFWL_PushButton* IFWL_PushButton::Create(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter) {
   IFWL_PushButton* pPushButton = new IFWL_PushButton;
   CFWL_PushButtonImp* pPushButtonImpl =
       new CFWL_PushButtonImp(properties, pOuter);
   pPushButton->SetImpl(pPushButtonImpl);
   pPushButtonImpl->SetInterface(pPushButton);
   return pPushButton;
 }
-IFWL_PushButton::IFWL_PushButton() {
-}
+IFWL_PushButton::IFWL_PushButton() {}
 
 CFWL_PushButtonImp::CFWL_PushButtonImp(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter)
     : CFWL_WidgetImp(properties, pOuter),
       m_bBtnDown(FALSE),
       m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
       m_iTTOAlign(FDE_TTOALIGNMENT_Center) {
   m_rtClient.Set(0, 0, 0, 0);
   m_rtCaption.Set(0, 0, 0, 0);
@@ skipping 504 matching lines @@
     CFWL_EvtClick wmClick;
     wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
     m_pOwner->DispatchEvent(&wmClick);
     return;
   }
   if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) {
     return;
   }
   m_pOwner->DispatchKeyEvent(pMsg);
 }