Remove some WrapUnique() calls by returing unique_ptrs

Return these from underlying methods as appropriate.

Review-Url: https://codereview.chromium.org/2520133002

2 files changed, 14 insertions, 13 deletions

diff --git a/core/fpdfapi/font/cpdf_fontencoding.cpp b/core/fpdfapi/font/cpdf_fontencoding.cpp
index df21267e1d..88b2c8d6a5 100644
--- a/core/fpdfapi/font/cpdf_fontencoding.cpp
+++ b/core/fpdfapi/font/cpdf_fontencoding.cpp
@@ -1672,7 +1672,8 @@ bool CPDF_FontEncoding::IsIdentical(CPDF_FontEncoding* pAnother) const {
          0;
 }
 
-CPDF_Object* CPDF_FontEncoding::Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool) {
+std::unique_ptr<CPDF_Object> CPDF_FontEncoding::Realize(
+    CFX_WeakPtr<CFX_ByteStringPool> pPool) {
   int predefined = 0;
   for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS;
        cs++) {
@@ -1690,15 +1691,13 @@ CPDF_Object* CPDF_FontEncoding::Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool) {
     }
   }
   if (predefined) {
-    if (predefined == PDFFONT_ENCODING_WINANSI) {
-      return new CPDF_Name(pPool, "WinAnsiEncoding");
-    }
-    if (predefined == PDFFONT_ENCODING_MACROMAN) {
-      return new CPDF_Name(pPool, "MacRomanEncoding");
-    }
-    if (predefined == PDFFONT_ENCODING_MACEXPERT) {
-      return new CPDF_Name(pPool, "MacExpertEncoding");
-    }
+    if (predefined == PDFFONT_ENCODING_WINANSI)
+      return pdfium::MakeUnique<CPDF_Name>(pPool, "WinAnsiEncoding");
+    if (predefined == PDFFONT_ENCODING_MACROMAN)
+      return pdfium::MakeUnique<CPDF_Name>(pPool, "MacRomanEncoding");
+    if (predefined == PDFFONT_ENCODING_MACEXPERT)
+      return pdfium::MakeUnique<CPDF_Name>(pPool, "MacExpertEncoding");
+
     return nullptr;
   }
   const uint16_t* pStandard =
@@ -1712,10 +1711,10 @@ CPDF_Object* CPDF_FontEncoding::Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool) {
     pDiff->AddNew<CPDF_Name>(PDF_AdobeNameFromUnicode(m_Unicodes[i]));
   }
 
-  CPDF_Dictionary* pDict = new CPDF_Dictionary(pPool);
+  auto pDict = pdfium::MakeUnique<CPDF_Dictionary>(pPool);
   pDict->SetNewFor<CPDF_Name>("BaseEncoding", "WinAnsiEncoding");
   pDict->SetFor("Differences", std::move(pDiff));
-  return pDict;
+  return std::move(pDict);
 }
 
 uint32_t FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode) {
diff --git a/core/fpdfapi/font/cpdf_fontencoding.h b/core/fpdfapi/font/cpdf_fontencoding.h
index a497681e5e..6c0de909e1 100644
--- a/core/fpdfapi/font/cpdf_fontencoding.h
+++ b/core/fpdfapi/font/cpdf_fontencoding.h
@@ -7,6 +7,8 @@
 #ifndef CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
 #define CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
 
+#include <memory>
+
 #include "core/fxcrt/cfx_string_pool_template.h"
 #include "core/fxcrt/cfx_weak_ptr.h"
 #include "core/fxcrt/fx_string.h"
@@ -52,7 +54,7 @@ class CPDF_FontEncoding {
     m_Unicodes[charcode] = unicode;
   }
 
-  CPDF_Object* Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool);
+  std::unique_ptr<CPDF_Object> Realize(CFX_WeakPtr<CFX_ByteStringPool> pPool);
 
  public:
   FX_WCHAR m_Unicodes[256];