fix corpus tests

core/fpdfapi/render/cpdf_renderstatus.cpp

Index: core/fpdfapi/render/cpdf_renderstatus.cpp
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index f16d3f8ad14e0b15ab5d176e1b27187007efd51a..d9f2a82276d4188eb6d877e505528c3db0d1a037 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -1125,6 +1125,9 @@ void CPDF_RenderStatus::ProcessObjectNoClip(CPDF_PageObject* pObj,
 #if defined _SKIA_SUPPORT_
   DebugVerifyDeviceIsPreMultiplied();
 #endif
+#if defined _SKIA_SUPPORT_PATHS_
+  UnPreMultiplyDevice();
+#endif
 }
 
 bool CPDF_RenderStatus::DrawObjWithBlend(CPDF_PageObject* pObj,
@@ -1646,6 +1649,12 @@ void CPDF_RenderStatus::DebugVerifyDeviceIsPreMultiplied() const {
 }
 #endif
 
+#if defined _SKIA_SUPPORT_PATHS_
+void CPDF_RenderStatus::UnPreMultiplyDevice() {
+  m_pDevice->UnPreMultiplyDevice();
+}
+#endif
+
 bool CPDF_RenderStatus::ProcessText(CPDF_TextObject* textobj,
                                     const CFX_Matrix* pObj2Device,
                                     CFX_PathData* pClippingPath) {