Revert "Make common page base class for XFA and non-XFA."

This reverts commit d06cc38b76685b002c51b227ae43b8314d926ad8.

Reason for revert: blocking previous revert

Change-Id: I74f8b80852c671440cca5fabef30e69cde9e2063
Reviewed-on: https://pdfium-review.googlesource.com/33713
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 52 deletions

diff --git a/core/fpdfapi/page/ipdf_page.h b/core/fpdfapi/page/ipdf_page.h
deleted file mode 100644
index 929cba7583..0000000000
--- a/core/fpdfapi/page/ipdf_page.h
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2018 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 CORE_FPDFAPI_PAGE_IPDF_PAGE_H_
-#define CORE_FPDFAPI_PAGE_IPDF_PAGE_H_
-
-#include "core/fxcrt/fx_coordinates.h"
-#include "core/fxcrt/retain_ptr.h"
-#include "third_party/base/optional.h"
-
-class CPDF_Document;
-class CPDF_Page;
-
-// Small layering violation, incomplete type and always null if non-XFA.
-class CPDFXFA_Page;
-
-// Interface implented by both page types (CPDF_Page and CPDFXFA_Page).
-class IPDF_Page : public Retainable {
- public:
-  virtual CPDF_Page* AsPDFPage() = 0;
-  virtual CPDFXFA_Page* AsXFAPage() = 0;
-
-  virtual CPDF_Document* GetDocument() const = 0;
-
-  virtual float GetPageWidth() const = 0;
-  virtual float GetPageHeight() const = 0;
-  virtual CFX_Matrix GetDisplayMatrix(const FX_RECT& rect,
-                                      int iRotate) const = 0;
-
-  virtual Optional<CFX_PointF> DeviceToPage(
-      const FX_RECT& rect,
-      int rotate,
-      const CFX_PointF& device_point) const = 0;
-
-  virtual Optional<CFX_PointF> PageToDevice(
-      const FX_RECT& rect,
-      int rotate,
-      const CFX_PointF& page_point) const = 0;
-};
-
-inline CPDF_Page* ToPDFPage(IPDF_Page* pBase) {
-  return pBase ? pBase->AsPDFPage() : nullptr;
-}
-
-inline CPDFXFA_Page* ToXFAPage(IPDF_Page* pBase) {
-  return pBase ? pBase->AsXFAPage() : nullptr;
-}
-
-#endif  // CORE_FPDFAPI_PAGE_IPDF_PAGE_H_