PDF: Put back removed SetScrollPosition().

pdf/pdfium/pdfium_engine.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PDF_PDFIUM_PDFIUM_ENGINE_H_
 #define PDF_PDFIUM_PDFIUM_ENGINE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 86 matching lines @@
                       int start_char_index,
                       uint32_t* out_len,
                       double* out_font_size,
                       pp::FloatRect* out_bounds) override;
   bool GetPrintScaling() override;
   int GetCopiesToPrint() override;
   int GetDuplexType() override;
   bool GetPageSizeAndUniformity(pp::Size* size) override;
   void AppendBlankPages(int num_pages) override;
   void AppendPage(PDFEngine* engine, int index) override;
+#if defined(PDF_USE_XFA)
+  virtual void SetScrollPosition(const pp::Point& position) = 0;
+#endif
   bool IsProgressiveLoad() override;
   std::string GetMetadata(const std::string& key) override;
 
   // DocumentLoader::Client implementation.
   pp::Instance* GetPluginInstance() override;
   pp::URLLoader CreateURLLoader() override;
   void OnPartialDocumentLoaded() override;
   void OnPendingRequestComplete() override;
   void OnNewDataAvailable() override;
   void OnDocumentComplete() override;
@@ skipping 387 matching lines @@
                          FPDF_BOOL print_as_image,
                          FPDF_BOOL reverse,
                          FPDF_BOOL annotations);
   static void Form_SubmitForm(IPDF_JSPLATFORM* param,
                               void* form_data,
                               int length,
                               FPDF_WIDESTRING url);
   static void Form_GotoPage(IPDF_JSPLATFORM* param, int page_number);
   static int Form_Browse(IPDF_JSPLATFORM* param, void* file_path, int length);
 
-#ifdef PDF_USE_XFA
+#if defined(PDF_USE_XFA)
   static void Form_EmailTo(FPDF_FORMFILLINFO* param,
                            FPDF_FILEHANDLER* file_handler,
                            FPDF_WIDESTRING to,
                            FPDF_WIDESTRING subject,
                            FPDF_WIDESTRING cc,
                            FPDF_WIDESTRING bcc,
                            FPDF_WIDESTRING message);
   static void Form_DisplayCaret(FPDF_FORMFILLINFO* param,
                                 FPDF_PAGE page,
                                 FPDF_BOOL visible,
@@ skipping 41 matching lines @@
   static FPDF_FILEHANDLER* Form_OpenFile(FPDF_FORMFILLINFO* param,
                                          int file_flag,
                                          FPDF_WIDESTRING url,
                                          const char* mode);
   static void Form_GotoURL(FPDF_FORMFILLINFO* param,
                            FPDF_DOCUMENT document,
                            FPDF_WIDESTRING url);
   static int Form_GetLanguage(FPDF_FORMFILLINFO* param,
                               void* language,
                               int length);
-#endif  // PDF_USE_XFA
+#endif  // defined(PDF_USE_XFA)
 
   // IFSDK_PAUSE callbacks
   static FPDF_BOOL Pause_NeedToPauseNow(IFSDK_PAUSE* param);
 
   PDFEngine::Client* const client_;
   pp::Size document_size_;  // Size of document in pixels.
 
   // The scroll position in screen coordinates.
   pp::Point position_;
   // The offset of the page into the viewport.
@@ skipping 165 matching lines @@
   bool GetPDFPageSizeByIndex(const void* pdf_buffer,
                              int pdf_buffer_size,
                              int page_number,
                              double* width,
                              double* height) override;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_PDFIUM_PDFIUM_ENGINE_H_