Remove IPDF_TextPage, IPDF_TextPageFind and IPDF_LinkExtract interfaces.

core/fpdftext/fpdf_text_int_unittest.cpp

 // Copyright 2015 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.
 
-#include "core/fpdftext/fpdf_text_int.h"
+#include "core/fpdftext/include/cpdf_linkextract.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Class to help test functions in CPDF_LinkExtract class.
 class CPDF_TestLinkExtract : public CPDF_LinkExtract {
  private:
   // Add test cases as friends to access protected member functions.
   // Access CheckMailLink.
   FRIEND_TEST(fpdf_text_int, CheckMailLink);
 };
@@ skipping 31 matching lines @@
       {L"CAP.cap@Gmail.Com", L"CAP.cap@Gmail.Com"},  // Keep the original case.
   };
   for (size_t i = 0; i < FX_ArraySize(valid_strs); ++i) {
     CFX_WideString text_str(valid_strs[i][0]);
     CFX_WideString expected_str(L"mailto:");
     expected_str += valid_strs[i][1];
     EXPECT_TRUE(extractor.CheckMailLink(text_str));
     EXPECT_STREQ(text_str.c_str(), expected_str.c_str());
   }
 }