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

core/fpdfapi/page/cpdf_contentparser.cpp

Index: core/fpdfapi/page/cpdf_contentparser.cpp
diff --git a/core/fpdfapi/page/cpdf_contentparser.cpp b/core/fpdfapi/page/cpdf_contentparser.cpp
index 0b8574bfd40791cc80294d6846042737f029b39a..1e0fe62e095773f7e2b8a055e72242e7c261c8cf 100644
--- a/core/fpdfapi/page/cpdf_contentparser.cpp
+++ b/core/fpdfapi/page/cpdf_contentparser.cpp
@@ -17,6 +17,7 @@
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "core/fpdfapi/parser/cpdf_stream_acc.h"
 #include "core/fxcrt/fx_safe_types.h"
+#include "third_party/base/ptr_util.h"
 
 #define PARSE_STEP_LIMIT 100
 
@@ -54,7 +55,7 @@ void CPDF_ContentParser::Start(CPDF_Page* pPage) {
   }
   if (CPDF_Stream* pStream = pContent->AsStream()) {
     m_nStreams = 0;
-    m_pSingleStream.reset(new CPDF_StreamAcc);
+    m_pSingleStream = pdfium::MakeUnique<CPDF_StreamAcc>();
     m_pSingleStream->LoadAllData(pStream, false);
   } else if (CPDF_Array* pArray = pContent->AsArray()) {
     m_nStreams = pArray->GetCount();
@@ -94,9 +95,9 @@ void CPDF_ContentParser::Start(CPDF_Form* pForm,
       form_bbox.Transform(pParentMatrix);
   }
   CPDF_Dictionary* pResources = pForm->m_pFormDict->GetDictFor("Resources");
-  m_pParser.reset(new CPDF_StreamContentParser(
+  m_pParser = pdfium::MakeUnique<CPDF_StreamContentParser>(
       pForm->m_pDocument, pForm->m_pPageResources, pForm->m_pResources,
-      pParentMatrix, pForm, pResources, &form_bbox, pGraphicStates, level));
+      pParentMatrix, pForm, pResources, &form_bbox, pGraphicStates, level);
   m_pParser->GetCurStates()->m_CTM = form_matrix;
   m_pParser->GetCurStates()->m_ParentMatrix = form_matrix;
   if (ClipPath) {
@@ -111,7 +112,7 @@ void CPDF_ContentParser::Start(CPDF_Form* pForm,
     pState->SetSoftMask(nullptr);
   }
   m_nStreams = 0;
-  m_pSingleStream.reset(new CPDF_StreamAcc);
+  m_pSingleStream = pdfium::MakeUnique<CPDF_StreamAcc>();
   m_pSingleStream->LoadAllData(pForm->m_pFormStream, false);
   m_pData = (uint8_t*)m_pSingleStream->GetData();
   m_Size = m_pSingleStream->GetSize();
@@ -153,7 +154,7 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) {
       } else {
         CPDF_Array* pContent =
             m_pObjectHolder->m_pFormDict->GetArrayFor("Contents");
-        m_StreamArray[m_CurrentOffset].reset(new CPDF_StreamAcc);
+        m_StreamArray[m_CurrentOffset] = pdfium::MakeUnique<CPDF_StreamAcc>();
         CPDF_Stream* pStreamObj = ToStream(
             pContent ? pContent->GetDirectObjectAt(m_CurrentOffset) : nullptr);
         m_StreamArray[m_CurrentOffset]->LoadAllData(pStreamObj, false);
@@ -162,10 +163,10 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) {
     }
     if (m_InternalStage == STAGE_PARSE) {
       if (!m_pParser) {
-        m_pParser.reset(new CPDF_StreamContentParser(
+        m_pParser = pdfium::MakeUnique<CPDF_StreamContentParser>(
             m_pObjectHolder->m_pDocument, m_pObjectHolder->m_pPageResources,
             nullptr, nullptr, m_pObjectHolder, m_pObjectHolder->m_pResources,
-            &m_pObjectHolder->m_BBox, nullptr, 0));
+            &m_pObjectHolder->m_BBox, nullptr, 0);
         m_pParser->GetCurStates()->m_ColorState.SetDefault();
       }
       if (m_CurrentOffset >= m_Size) {