Clean up CPDFSDK_PageView methods.

fpdfsdk/include/fsdk_mgr.h

 // 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
 
 #ifndef FPDFSDK_INCLUDE_FSDK_MGR_H_
 #define FPDFSDK_INCLUDE_FSDK_MGR_H_
 
 #include <map>
@@ skipping 551 matching lines @@
 
   FX_BOOL DeleteAnnot(CPDFSDK_Annot* pAnnot);
   size_t CountAnnots() const;
   CPDFSDK_Annot* GetAnnot(size_t nIndex);
   CPDFSDK_Annot* GetAnnotByDict(CPDF_Dictionary* pDict);
 
 #ifdef PDF_ENABLE_XFA
   CPDFSDK_Annot* AddAnnot(CXFA_FFWidget* pPDFAnnot);
   CPDFSDK_Annot* GetAnnotByXFAWidget(CXFA_FFWidget* hWidget);
   CPDFXFA_Page* GetPDFXFAPage() { return m_page; }
-  CPDF_Page* GetPDFPage();
-#else
-  CPDF_Page* GetPDFPage() { return m_page; }
 #endif  // PDF_ENABLE_XFA
 
+  CPDF_Page* GetPDFPage() const;
   CPDF_Document* GetPDFDocument();
   CPDFSDK_Document* GetSDKDocument() { return m_pSDKDoc; }
   FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag);
   FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag);
 #ifdef PDF_ENABLE_XFA
   FX_BOOL OnRButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag);
   FX_BOOL OnRButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag);
 #endif  // PDF_ENABLE_XFA
   FX_BOOL OnChar(int nChar, FX_UINT nFlag);
   FX_BOOL OnKeyDown(int nKeyCode, int nFlag);
@@ skipping 38 matching lines @@
   FX_BOOL m_bTakeOverPage;
 #endif  // PDF_ENABLE_XFA
   FX_BOOL m_bEnterWidget;
   FX_BOOL m_bExitWidget;
   FX_BOOL m_bOnWidget;
   FX_BOOL m_bValid;
   FX_BOOL m_bLocked;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_MGR_H_