Remove duplicate code in CPWL_EditImpl_Provider.

CPWL_EditImpl_Provider sometimes overrides CPDF_VariableText::Provider
with the same code as the base class. Remove this duplication.

Change-Id: I7388b9050a7b5c49013eb9a019bc8261051712da
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/79056
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/core/fpdfdoc/cpdf_variabletext.h b/core/fpdfdoc/cpdf_variabletext.h
index 4baa125..8c43b1f 100644
--- a/core/fpdfdoc/cpdf_variabletext.h
+++ b/core/fpdfdoc/cpdf_variabletext.h
@@ -62,6 +62,8 @@
     virtual bool IsLatinWord(uint16_t word);
     virtual int32_t GetDefaultFontIndex();
 
+    IPVT_FontMap* GetFontMap() { return m_pFontMap.Get(); }
+
    private:
     UnownedPtr<IPVT_FontMap> const m_pFontMap;
   };