Get rid of most uses of CFX_PtrArray.

core/src/fpdfapi/fpdf_render/fpdf_render_text.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 "render_int.h"
 
 #include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_render.h"
@@ skipping 340 matching lines @@
       ReleaseCachedType3(m_pType3Font);
     }
   }
   FX_DWORD m_dwCount;
   CPDF_Type3Font* m_pType3Font;
 };
 FX_BOOL CPDF_RenderStatus::ProcessType3Text(
     const CPDF_TextObject* textobj,
     const CFX_AffineMatrix* pObj2Device) {
   CPDF_Type3Font* pType3Font = textobj->m_TextState.GetFont()->GetType3Font();
-  for (int j = 0; j < m_Type3FontCache.GetSize(); j++)
-    if ((CPDF_Type3Font*)m_Type3FontCache.GetAt(j) == pType3Font) {
+  for (int j = 0; j < m_Type3FontCache.GetSize(); j++) {
+    if (m_Type3FontCache.GetAt(j) == pType3Font)
       return TRUE;
-    }
+  }
   CFX_Matrix dCTM = m_pDevice->GetCTM();
   FX_FLOAT sa = FXSYS_fabs(dCTM.a);
   FX_FLOAT sd = FXSYS_fabs(dCTM.d);
   CFX_AffineMatrix text_matrix;
   textobj->GetTextMatrix(&text_matrix);
   CFX_AffineMatrix char_matrix = pType3Font->GetFontMatrix();
   FX_FLOAT font_size = textobj->m_TextState.GetFontSize();
   char_matrix.Scale(font_size, font_size);
   FX_ARGB fill_argb = GetFillArgb(textobj, TRUE);
   int fill_alpha = FXARGB_A(fill_argb);
@@ skipping 416 matching lines @@
     ProcessPath(&path, pObj2Device);
   }
 }
 
 CFX_PathData* CPDF_Font::LoadGlyphPath(FX_DWORD charcode, int dest_width) {
   int glyph_index = GlyphFromCharCode(charcode);
   if (!m_Font.GetFace())
     return nullptr;
   return m_Font.LoadGlyphPath(glyph_index, dest_width);
 }