Remove uses of this->foo.

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index d52ef4fd34de2782a3fd8eb4fd678f8febd59a65..ad843bc6be373bb63be48e568c850d547e823dd6 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -4299,7 +4299,7 @@ int CPDF_DataAvail::GetPageCount() const {
   return m_pDocument ? m_pDocument->GetPageCount() : 0;
 }
 CPDF_Dictionary* CPDF_DataAvail::GetPage(int index) {
-  if (!m_pDocument || index < 0 || index >= this->GetPageCount()) {
+  if (!m_pDocument || index < 0 || index >= GetPageCount()) {
     return nullptr;
   }
   if (m_pLinearized) {