Remove unused CPVT_VariableText::OutToIn().

Change-Id: I78eeef03d9bb2fe848a9f110ec9deb94b67f3c40
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/85870
Auto-Submit: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/core/fpdfdoc/cpvt_variabletext.cpp b/core/fpdfdoc/cpvt_variabletext.cpp
index f453543..9dff62a 100644
--- a/core/fpdfdoc/cpvt_variabletext.cpp
+++ b/core/fpdfdoc/cpvt_variabletext.cpp
@@ -892,10 +892,3 @@
   return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x,
                        ptLeftTop.y);
 }
-
-CPVT_FloatRect CPVT_VariableText::OutToIn(const CFX_FloatRect& rect) const {
-  CFX_PointF ptLeftTop = OutToIn(CFX_PointF(rect.left, rect.top));
-  CFX_PointF ptRightBottom = OutToIn(CFX_PointF(rect.right, rect.bottom));
-  return CPVT_FloatRect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x,
-                        ptRightBottom.y);
-}
diff --git a/core/fpdfdoc/cpvt_variabletext.h b/core/fpdfdoc/cpvt_variabletext.h
index 271151c..4709728 100644
--- a/core/fpdfdoc/cpvt_variabletext.h
+++ b/core/fpdfdoc/cpvt_variabletext.h
@@ -137,7 +137,6 @@
   CFX_PointF InToOut(const CFX_PointF& point) const;
   CFX_PointF OutToIn(const CFX_PointF& point) const;
   CFX_FloatRect InToOut(const CPVT_FloatRect& rect) const;
-  CPVT_FloatRect OutToIn(const CFX_FloatRect& rect) const;
 
   float GetFontAscent(int32_t nFontIndex, float fFontSize) const;
   float GetFontDescent(int32_t nFontIndex, float fFontSize) const;