Avoid the ptr.reset(new XXX()) anti-pattern

xfa/fde/fde_render.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/fde/fde_render.h"
 
+#include "third_party/base/ptr_util.h"
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_object.h"
 #include "xfa/fgas/crt/fgas_memory.h"
 
 #define FDE_PATHRENDER_Stroke 1
 #define FDE_PATHRENDER_Fill 2
 
 CFDE_RenderContext::CFDE_RenderContext()
     : m_eStatus(FDE_RENDERSTATUS_Reset),
       m_pRenderDevice(nullptr),
@@ skipping 12 matching lines @@
     return false;
   if (!pRenderDevice)
     return false;
   if (!pCanvasSet)
     return false;
 
   m_eStatus = FDE_RENDERSTATUS_Paused;
   m_pRenderDevice = pRenderDevice;
   m_Transform = tmDoc2Device;
   if (!m_pIterator)
-    m_pIterator.reset(new CFDE_VisualSetIterator);
+    m_pIterator = pdfium::MakeUnique<CFDE_VisualSetIterator>();
 
   return m_pIterator->AttachCanvas(pCanvasSet) && m_pIterator->FilterObjects();
 }
 
 FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) {
   if (!m_pRenderDevice)
     return FDE_RENDERSTATUS_Failed;
   if (!m_pIterator)
     return FDE_RENDERSTATUS_Failed;
 
@@ skipping 57 matching lines @@
 
   CFGAS_GEFont* pFont = pTextSet->GetFont();
   if (!pFont)
     return;
 
   int32_t iCount = pTextSet->GetDisplayPos(pText, nullptr, false);
   if (iCount < 1)
     return;
 
   if (!m_pBrush)
-    m_pBrush.reset(new CFDE_Brush);
+    m_pBrush = pdfium::MakeUnique<CFDE_Brush>();
 
   if (m_CharPos.size() < static_cast<size_t>(iCount))
     m_CharPos.resize(iCount, FXTEXT_CHARPOS());
 
   iCount = pTextSet->GetDisplayPos(pText, m_CharPos.data(), false);
   FX_FLOAT fFontSize = pTextSet->GetFontSize();
   FX_ARGB dwColor = pTextSet->GetFontColor();
   m_pBrush->SetColor(dwColor);
   m_pRenderDevice->DrawString(m_pBrush.get(), pFont, m_CharPos.data(), iCount,
                               fFontSize, &m_Transform);
 }