Merge to XFA: Tidy up shading patterns

Original Review URL: https://codereview.chromium.org/1570873005 .
(cherry picked from commit a07804a3b16c10fa2011ef56d1dacefb7d21e4f6)

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1577893002 .

1 files changed, 2 insertions, 2 deletions

diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 3fbd3e486e..d3e3807046 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -1100,10 +1100,10 @@ void CPDF_StreamContentParser::Handle_ShadeFill() {
   if (!pPattern) {
     return;
   }
-  if (pPattern->m_PatternType != PATTERN_SHADING) {
+  if (pPattern->m_PatternType != CPDF_Pattern::SHADING) {
     return;
   }
-  CPDF_ShadingPattern* pShading = (CPDF_ShadingPattern*)pPattern;
+  CPDF_ShadingPattern* pShading = static_cast<CPDF_ShadingPattern*>(pPattern);
   if (!pShading->m_bShadingObj) {
     return;
   }