Avoid endless loop deleting CFGAS_GEFont.

xfa/fxfa/app/xfa_fftext.cpp

Index: xfa/fxfa/app/xfa_fftext.cpp
diff --git a/xfa/fxfa/app/xfa_fftext.cpp b/xfa/fxfa/app/xfa_fftext.cpp
index 2307ea0dc47306f888e9d8cef0108d6e76384729..3d2c9a6ea0f222bf38628d5f7d5d78fa8c1d6e3e 100644
--- a/xfa/fxfa/app/xfa_fftext.cpp
+++ b/xfa/fxfa/app/xfa_fftext.cpp
@@ -153,22 +153,17 @@ FWL_WidgetHit CXFA_FFText::OnHitTest(FX_FLOAT fx, FX_FLOAT fy) {
 }
 const FX_WCHAR* CXFA_FFText::GetLinkURLAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
   CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
-  if (!pTextLayout) {
+  if (!pTextLayout)
     return nullptr;
-  }
-  FX_FLOAT x(fx), y(fy);
+
+  FX_FLOAT x(fx);
+  FX_FLOAT y(fy);
   FWLToClient(x, y);
-  const CFX_ArrayTemplate<CXFA_PieceLine*>* pPieceLines =
-      pTextLayout->GetPieceLines();
-  int32_t iCount = pPieceLines->GetSize();
-  for (int32_t i = 0; i < iCount; i++) {
-    CXFA_PieceLine* pPieceLine = pPieceLines->GetAt(i);
-    int32_t iPieces = pPieceLine->m_textPieces.GetSize();
-    for (int32_t j = 0; j < iPieces; j++) {
-      XFA_TextPiece* pPiece = pPieceLine->m_textPieces.GetAt(j);
-      if (pPiece->pLinkData && pPiece->rtPiece.Contains(x, y)) {
+
+  for (const auto& pPieceLine : *pTextLayout->GetPieceLines()) {
+    for (const auto& pPiece : pPieceLine->m_textPieces) {
+      if (pPiece->pLinkData && pPiece->rtPiece.Contains(x, y))
         return pPiece->pLinkData->GetLinkURL();
-      }
     }
   }
   return nullptr;