PDF Viewer - Search results don't work after rotating pdf

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 <map>
 #include <string>
 #include <utility>
@@ skipping 502 matching lines @@
   typedef std::vector<PDFiumRange> FindResults;
   FindResults find_results_;
   // Which page to search next.
   int next_page_to_search_;
   // Where to stop searching.
   int last_page_to_search_;
   int last_character_index_to_search_;  // -1 if search until end of page.
   // Which result the user has currently selected.
   int current_find_index_;
 
+  // Used to store current state of find results.
+  struct FindResultState {
+    FindResultState() {
+      find_index_ = -1;
+    };
+    FindResultState(std::string find_text, int find_index)
+        : find_text_(find_text), find_index_(find_index) {};
+    std::string find_text_;
+    int find_index_;
+  };
+  FindResultState find_result_state_;
+
   // Permissions bitfield.
   unsigned long permissions_;
 
   // Interface structure to provide access to document stream.
   FPDF_FILEACCESS file_access_;
   // Interface structure to check data availability in the document stream.
   FileAvail file_availability_;
   // Interface structure to request data chunks from the document stream.
   DownloadHints download_hints_;
   // Pointer to the document availability interface.
@@ skipping 92 matching lines @@
 
   // See the definition of GetPDFPageSizeByIndex in pdf.cc for details.
   virtual bool GetPDFPageSizeByIndex(const void* pdf_buffer,
                                      int pdf_buffer_size, int page_number,
                                      double* width, double* height);
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_PDFIUM_PDFIUM_ENGINE_H_