Allow external font-path configuration from pdfium_test.

core/src/fxge/apple/fx_mac_imp.cpp

Index: core/src/fxge/apple/fx_mac_imp.cpp
diff --git a/core/src/fxge/apple/fx_mac_imp.cpp b/core/src/fxge/apple/fx_mac_imp.cpp
index 9918ba97e8e5c68e7c706023f2e571c11658e060..5a4e6603df26dd1068be4794086b7d6c0c2bbf50 100644
--- a/core/src/fxge/apple/fx_mac_imp.cpp
+++ b/core/src/fxge/apple/fx_mac_imp.cpp
@@ -93,7 +93,7 @@ void* CFX_MacFontInfo::MapFont(int weight,
   }
   return NULL;
 }
-IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault() {
+IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) {
   CFX_MacFontInfo* pInfo = new CFX_MacFontInfo;
   pInfo->AddPath("~/Library/Fonts");
   pInfo->AddPath("/Library/Fonts");
@@ -102,7 +102,7 @@ IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault() {
 }
 void CFX_GEModule::InitPlatform() {
   m_pPlatformData = new CApplePlatform;
-  m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault());
+  m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault(nullptr));
 }
 void CFX_GEModule::DestroyPlatform() {
   delete (CApplePlatform*)m_pPlatformData;