Remove unused CFGAS_GEFont::GetBBox().

Change-Id: I8227f5e15c74c3bbb12eb6f178c1af75e6dd2d47
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/85311
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

xfa/fgas/font/cfgas_gefont.cpp

diff --git a/xfa/fgas/font/cfgas_gefont.cpp b/xfa/fgas/font/cfgas_gefont.cpp
index c144a26..c54a61e 100644
--- a/xfa/fgas/font/cfgas_gefont.cpp
+++ b/xfa/fgas/font/cfgas_gefont.cpp
@@ -198,10 +198,6 @@
   return rtBBox;
 }
 
-Optional<FX_RECT> CFGAS_GEFont::GetBBox() {
-  return m_pFont->GetBBox();
-}
-
 int32_t CFGAS_GEFont::GetGlyphIndex(wchar_t wUnicode) {
   int32_t glyph;
   RetainPtr<CFGAS_GEFont> font;

xfa/fgas/font/cfgas_gefont.h

diff --git a/xfa/fgas/font/cfgas_gefont.h b/xfa/fgas/font/cfgas_gefont.h
index d0583aa..b11dbbf 100644
--- a/xfa/fgas/font/cfgas_gefont.h
+++ b/xfa/fgas/font/cfgas_gefont.h
@@ -45,7 +45,6 @@
   int32_t GetAscent() const;
   int32_t GetDescent() const;
   Optional<FX_RECT> GetCharBBox(wchar_t wUnicode);
-  Optional<FX_RECT> GetBBox();
 
   RetainPtr<CFGAS_GEFont> GetSubstFont(int32_t iGlyphIndex);
   CFX_Font* GetDevFont() const { return m_pFont.Get(); }