Properly ref-count CFGAS_GEFont with CFX_RetainPtr.

xfa/fxfa/app/xfa_textlayout.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/app/xfa_textlayout.h"
 
 #include <algorithm>
 
@@ skipping 357 matching lines @@
 }
 
 bool CXFA_TextParser::IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const {
   CFX_WideString wsValue;
   if (pStyle && pStyle->GetCustomStyle(FX_WSTRC(L"xfa-spacerun"), wsValue)) {
     wsValue.MakeLower();
     return wsValue == FX_WSTRC(L"yes");
   }
   return false;
 }
-CFGAS_GEFont* CXFA_TextParser::GetFont(CXFA_TextProvider* pTextProvider,
-                                       IFDE_CSSComputedStyle* pStyle) const {
+
+CFX_RetainPtr<CFGAS_GEFont> CXFA_TextParser::GetFont(
+    CXFA_TextProvider* pTextProvider,
+    IFDE_CSSComputedStyle* pStyle) const {
   CFX_WideStringC wsFamily = FX_WSTRC(L"Courier");
   uint32_t dwStyle = 0;
   CXFA_Font font = pTextProvider->GetFontNode();
   if (font) {
     font.GetTypeface(wsFamily);
     if (font.IsBold()) {
       dwStyle |= FX_FONTSTYLE_Bold;
     }
     if (font.IsItalic()) {
       dwStyle |= FX_FONTSTYLE_Italic;
@@ skipping 1706 matching lines @@
   m_tabstops.RemoveAll();
   m_iTabCount = 0;
 }
 
 void CXFA_TextTabstopsContext::Reset() {
   m_iTabIndex = -1;
   m_bTabstops = false;
   m_fTabWidth = 0;
   m_fLeft = 0;
 }