Remove IXFA_* interfaces.

xfa/fxfa/app/xfa_ffpushbutton.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_ffpushbutton.h"
 
 #include "xfa/fwl/core/ifwl_notedriver.h"
 #include "xfa/fwl/core/ifwl_widgetmgrdelegate.h"
 #include "xfa/fwl/lightwidget/cfwl_pushbutton.h"
-#include "xfa/fxfa/app/xfa_ffapp.h"
 #include "xfa/fxfa/app/xfa_fffield.h"
-#include "xfa/fxfa/app/xfa_ffpageview.h"
 #include "xfa/fxfa/app/xfa_ffwidget.h"
 #include "xfa/fxfa/app/xfa_ffwidgetacc.h"
 #include "xfa/fxfa/app/xfa_textlayout.h"
 #include "xfa/fxgraphics/cfx_color.h"
 #include "xfa/fxgraphics/cfx_path.h"
+#include "xfa/include/fxfa/xfa_ffapp.h"
+#include "xfa/include/fxfa/xfa_ffpageview.h"
 
 CXFA_FFPushButton::CXFA_FFPushButton(CXFA_FFPageView* pPageView,
                                      CXFA_WidgetAcc* pDataAcc)
     : CXFA_FFField(pPageView, pDataAcc),
       m_pRolloverTextLayout(NULL),
       m_pDownTextLayout(NULL),
       m_pDownProvider(NULL),
       m_pRollProvider(NULL),
       m_pOldDelegate(NULL) {}
 CXFA_FFPushButton::~CXFA_FFPushButton() {
@@ skipping 213 matching lines @@
       path.Create();
       CFX_RectF rect;
       m_pNormalWidget->GetWidgetRect(rect);
       path.AddRectangle(0, 0, rect.width, rect.height);
       pGraphics->StrokePath(&path, (CFX_Matrix*)pMatrix);
     }
   } else if (m_pNormalWidget->GetStylesEx() & XFA_FWL_PSBSTYLEEXT_HilitePush) {
   }
   return FWL_ERR_Succeeded;
 }