Rename fpdfsdk/fpdfxfa files to match contents

fpdfsdk/cpdfsdk_pageview.cpp

 // 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 "fpdfsdk/cpdfsdk_pageview.h"
 
 #include <memory>
 #include <vector>
 
 #include "core/fpdfapi/parser/cpdf_document.h"
 #include "core/fpdfapi/render/cpdf_renderoptions.h"
 #include "core/fpdfdoc/cpdf_annotlist.h"
 #include "core/fpdfdoc/cpdf_interform.h"
 #include "fpdfsdk/cpdfsdk_annot.h"
 #include "fpdfsdk/cpdfsdk_annothandlermgr.h"
 #include "fpdfsdk/cpdfsdk_annotiterator.h"
 #include "fpdfsdk/cpdfsdk_environment.h"
 #include "fpdfsdk/cpdfsdk_interform.h"
 #include "third_party/base/ptr_util.h"
 
 #ifdef PDF_ENABLE_XFA
-#include "fpdfsdk/fpdfxfa/fpdfxfa_page.h"
+#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
 #include "xfa/fxfa/xfa_ffdocview.h"
 #include "xfa/fxfa/xfa_ffpageview.h"
 #include "xfa/fxfa/xfa_ffwidgethandler.h"
 #include "xfa/fxfa/xfa_rendercontext.h"
 #include "xfa/fxgraphics/cfx_graphics.h"
 #endif  // PDF_ENABLE_XFA
 
 CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc,
                                    UnderlyingPageType* page)
     : m_page(page),
@@ skipping 535 matching lines @@
       return pAnnot;
   }
   return nullptr;
 }
 
 int CPDFSDK_PageView::GetPageIndexForStaticPDF() const {
   CPDF_Dictionary* pDict = GetPDFPage()->m_pFormDict;
   CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument();
   return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1;
 }