Make code compile with clang_use_chrome_plugin (part IV)

fpdfsdk/pdfwindow/PWL_Icon.cpp

Index: fpdfsdk/pdfwindow/PWL_Icon.cpp
diff --git a/fpdfsdk/pdfwindow/PWL_Icon.cpp b/fpdfsdk/pdfwindow/PWL_Icon.cpp
index 9c2e5cbf6909a0b633ab3ad6bdf7364dd3cc1387..6689aa644ec5eb797835560daa4099767056f2b5 100644
--- a/fpdfsdk/pdfwindow/PWL_Icon.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Icon.cpp
@@ -112,6 +112,10 @@ CPWL_Icon::CPWL_Icon() : m_pIconFit(nullptr) {}
 
 CPWL_Icon::~CPWL_Icon() {}
 
+CPDF_IconFit* CPWL_Icon::GetIconFit() {
+  return m_pIconFit;
+}
+
 int32_t CPWL_Icon::GetScaleMethod() {
   if (m_pIconFit)
     return m_pIconFit->GetScaleMethod();