Fix include paths for pdfium_unittests under chromium checkout.

xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder_unittest.cpp

 // 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.
 
-#include "core/include/fxcrt/fx_basic.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "../../../../core/include/fxcrt/fx_basic.h"
+#include "../../../../testing/fx_string_testhelpers.h"
 #include "BC_PDF417HighLevelEncoder.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/fx_string_testhelpers.h"
 
 TEST(PDF417HighLevelEncoder, EncodeHighLevel) {
   // TODO(tsepez): implement test cases.
 }
 
 TEST(PDF417HighLevelEncoder, EncodeText) {
   // TODO(tsepez): implement test cases.
 }
 
 TEST(PDF417HighLevelEncoder, EncodeBinary) {
@@ skipping 193 matching lines @@
     CFX_WideString input(ptr->input);
     int actual_count = CBC_PDF417HighLevelEncoder::determineConsecutiveTextCount(input, ptr->offset);
     EXPECT_EQ(ptr->expected_count, actual_count) << " for case number " << i;
   }
   CBC_PDF417HighLevelEncoder::Finalize();
 }
 
 TEST(PDF417HighLevelEncoder, ConsecutiveBinaryCount) {
 
 }