Reland "Fix chromium-style errors."

core/src/fxge/ge/fx_ge_fontmap.cpp

Index: core/src/fxge/ge/fx_ge_fontmap.cpp
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 890de616d1c6d2c5bcc8c5e07688d7c7e1f24e7c..cd46148b7f101b842513c36e900bd4a0fa6dc085 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -1281,8 +1281,23 @@ FXFT_Face CFX_FontMapper::FindSubstFontByUnicode(FX_DWORD dwUnicode,
   m_pFontInfo->DeleteFont(hFont);
   return face;
 }
+
+void* IFX_SystemFontInfo::MapFontByUnicode(FX_DWORD dwUnicode,
+                                           int weight,
+                                           FX_BOOL bItalic,
+                                           int pitch_family) {
+  return nullptr;
+}
 #endif  // PDF_ENABLE_XFA
 
+int IFX_SystemFontInfo::GetFaceIndex(void* hFont) {
+  return 0;
+}
+
+void* IFX_SystemFontInfo::RetainFont(void* hFont) {
+  return NULL;
+}
+
 int CFX_FontMapper::GetFaceSize() const {
   return pdfium::CollectionSize<int>(m_FaceArray);
 }
@@ -1308,11 +1323,13 @@ unsigned long _FTStreamRead(FXFT_Stream stream,
                             unsigned long count);
 void _FTStreamClose(FXFT_Stream stream);
 };
+
 #if _FX_OS_ == _FX_ANDROID_
 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) {
   return NULL;
 }
 #endif
+
 CFX_FolderFontInfo::CFX_FolderFontInfo() {}
 CFX_FolderFontInfo::~CFX_FolderFontInfo() {
   for (const auto& pair : m_FontList) {