Remove CFX_MapPtrToPtr in xfa/fgas, part 2

xfa/fgas/font/cfgas_gefont.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/fgas/font/cfgas_gefont.h"
 
 #include <memory>
 #include <utility>
@@ skipping 196 matching lines @@
     return false;
 
   m_pFont = pInternalFont.release();
   m_bExternalFont = false;
   return InitFont();
 }
 
 bool CFGAS_GEFont::InitFont() {
   if (!m_pFont)
     return false;
+
   if (!m_pFontEncoding) {
     m_pFontEncoding.reset(FX_CreateFontEncodingEx(m_pFont));
     if (!m_pFontEncoding)
       return false;
   }
   if (!m_pCharWidthMap) {
     m_pCharWidthMap =
         pdfium::MakeUnique<CFX_DiscreteArrayTemplate<uint16_t>>(1024);
   }
   if (!m_pRectArray)
     m_pRectArray = pdfium::MakeUnique<CFX_MassArrayTemplate<CFX_Rect>>(16);
-  if (!m_pBBoxMap)
-    m_pBBoxMap = pdfium::MakeUnique<CFX_MapPtrToPtr>(16);
 
+  m_BBoxMap.clear();
   return true;
 }
 
 CFX_RetainPtr<CFGAS_GEFont> CFGAS_GEFont::Derive(uint32_t dwFontStyles,
                                                  uint16_t wCodePage) {
   CFX_RetainPtr<CFGAS_GEFont> pFont(this);
   if (GetFontStyles() == dwFontStyles)
     return pFont;
   return pdfium::MakeRetain<CFGAS_GEFont>(pFont, dwFontStyles);
 }
@@ skipping 74 matching lines @@
                                CFX_Rect& bbox,
                                bool bCharCode) {
   return GetCharBBoxInternal(wUnicode, bbox, true, bCharCode);
 }
 
 bool CFGAS_GEFont::GetCharBBoxInternal(FX_WCHAR wUnicode,
                                        CFX_Rect& bbox,
                                        bool bRecursive,
                                        bool bCharCode) {
   ASSERT(m_pRectArray);
-  ASSERT(m_pBBoxMap);
-  void* pRect = nullptr;
-  if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) {
+  CFX_Rect* pRect = nullptr;
+  auto it = m_BBoxMap.find(wUnicode);
+  if (it == m_BBoxMap.end()) {
     CFX_RetainPtr<CFGAS_GEFont> pFont;
     int32_t iGlyph = GetGlyphIndex(wUnicode, true, &pFont, bCharCode);
     if (iGlyph != 0xFFFF && pFont) {
       if (pFont.Get() == this) {
         FX_RECT rtBBox;
         if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) {
           CFX_Rect rt;
           rt.Set(rtBBox.left, rtBBox.top, rtBBox.Width(), rtBBox.Height());
           int32_t index = m_pRectArray->Add(rt);
           pRect = m_pRectArray->GetPtrAt(index);
-          m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect);
+          m_BBoxMap[wUnicode] = pRect;
         }
       } else if (pFont->GetCharBBoxInternal(wUnicode, bbox, false, bCharCode)) {
         return true;
       }
     }
+  } else {
+    pRect = it->second;
   }
   if (!pRect)
     return false;
 
-  bbox = *static_cast<const CFX_Rect*>(pRect);
+  bbox = *pRect;
   return true;
 }
 
 bool CFGAS_GEFont::GetBBox(CFX_Rect& bbox) {
   FX_RECT rt(0, 0, 0, 0);
   if (!m_pFont->GetBBox(rt))
     return false;
   bbox.left = rt.left;
   bbox.width = rt.Width();
   bbox.top = rt.bottom;
@@ skipping 69 matching lines @@
   return m_pFont->GetDescent();
 }
 
 CFX_RetainPtr<CFGAS_GEFont> CFGAS_GEFont::GetSubstFont(
     int32_t iGlyphIndex) const {
   iGlyphIndex = static_cast<uint32_t>(iGlyphIndex) >> 24;
   if (iGlyphIndex == 0)
     return CFX_RetainPtr<CFGAS_GEFont>(const_cast<CFGAS_GEFont*>(this));
   return m_SubstFonts[iGlyphIndex - 1];
 }