Remove implicit conversions and some cleanup

fpdfsdk/src/pdfwindow/PWL_Icon.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 "fpdfsdk/include/pdfwindow/PWL_Icon.h"
 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
 
@@ skipping 110 matching lines @@
     return m_pIconFit->IsProportionalScale();
 
   return FALSE;
 }
 
 void CPWL_Icon::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom) {
   if (m_pIconFit) {
     fLeft = 0.0f;
     fBottom = 0.0f;
     CPDF_Array* pA =
-        m_pIconFit->m_pDict ? m_pIconFit->m_pDict->GetArrayBy("A") : NULL;
+        m_pIconFit->GetDict() ? m_pIconFit->GetDict()->GetArrayBy("A") : NULL;
     if (pA) {
       FX_DWORD dwCount = pA->GetCount();
       if (dwCount > 0)
         fLeft = pA->GetNumberAt(0);
       if (dwCount > 1)
         fBottom = pA->GetNumberAt(1);
     }
   } else {
     fLeft = 0.0f;
     fBottom = 0.0f;
@@ skipping 71 matching lines @@
   FX_FLOAT fImageFactHeight = fImageHeight * fVScale;
 
   FX_FLOAT fPlateWidth, fPlateHeight;
   CFX_FloatRect rcPlate = GetClientRect();
   fPlateWidth = rcPlate.right - rcPlate.left;
   fPlateHeight = rcPlate.top - rcPlate.bottom;
 
   x = (fPlateWidth - fImageFactWidth) * fLeft;
   y = (fPlateHeight - fImageFactHeight) * fBottom;
 }