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

xfa/fde/fde_render.cpp

Index: xfa/fde/fde_render.cpp
diff --git a/xfa/fde/fde_render.cpp b/xfa/fde/fde_render.cpp
index e1d46f55f9845c9f754e1d73dcb71c3e2e2afd4a..9528219b45faa728cf64cee4c3e589d08b52bb27 100644
--- a/xfa/fde/fde_render.cpp
+++ b/xfa/fde/fde_render.cpp
@@ -6,6 +6,7 @@
 
 #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"
@@ -38,7 +39,7 @@ bool CFDE_RenderContext::StartRender(CFDE_RenderDevice* pRenderDevice,
   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();
 }
@@ -116,7 +117,7 @@ void CFDE_RenderContext::RenderText(IFDE_TextSet* pTextSet,
     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());