Add ptr_util.h from base until std::make_unique<> available

Review-Url: https://codereview.chromium.org/2386273004

4 files changed, 8 insertions, 4 deletions

diff --git a/core/fpdfapi/fpdf_font/cpdf_font.cpp b/core/fpdfapi/fpdf_font/cpdf_font.cpp
index 9b6fc5e824..96ebda740a 100644
--- a/core/fpdfapi/fpdf_font/cpdf_font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_font.cpp
@@ -24,6 +24,7 @@
 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h"
 #include "core/fxcrt/fx_memory.h"
 #include "core/fxge/fx_freetype.h"
+#include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
@@ -454,7 +455,7 @@ const FX_CHAR* CPDF_Font::GetAdobeCharName(
 
 uint32_t CPDF_Font::FallbackFontFromCharcode(uint32_t charcode) {
   if (m_FontFallbacks.empty()) {
-    m_FontFallbacks.push_back(WrapUnique(new CFX_Font()));
+    m_FontFallbacks.push_back(pdfium::MakeUnique<CFX_Font>());
     m_FontFallbacks[0]->LoadSubst("Arial", IsTrueTypeFont(), m_Flags,
                                   m_StemV * 5, m_ItalicAngle, 0,
                                   IsVertWriting());
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 4fc4bdc934..5356e1f5b5 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -36,6 +36,7 @@
 #include "core/fxcrt/fx_safe_types.h"
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_pathdata.h"
+#include "third_party/base/ptr_util.h"
 
 namespace {
 
@@ -790,7 +791,7 @@ CPDF_ImageObject* CPDF_StreamContentParser::AddImage(CPDF_Stream* pStream,
     pImageObj->SetUnownedImage(m_pDocument->LoadImageF(pStream));
   } else {
     pImageObj->SetOwnedImage(
-        WrapUnique(new CPDF_Image(m_pDocument, pStream, bInline)));
+        pdfium::MakeUnique<CPDF_Image>(m_pDocument, pStream, bInline));
   }
   SetGraphicStates(pImageObj.get(), pImageObj->GetImage()->IsMask(), FALSE,
                    FALSE);
diff --git a/core/fpdfapi/fpdf_parser/cfdf_document.cpp b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
index 3721bf885b..c8ed9edada 100644
--- a/core/fpdfapi/fpdf_parser/cfdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cfdf_document.cpp
@@ -9,13 +9,14 @@
 #include "core/fpdfapi/fpdf_edit/cpdf_creator.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_syntax_parser.h"
+#include "third_party/base/ptr_util.h"
 
 CFDF_Document::CFDF_Document()
     : CPDF_IndirectObjectHolder(),
       m_pRootDict(nullptr),
       m_pFile(nullptr),
       m_bOwnFile(FALSE),
-      m_pByteStringPool(WrapUnique(new CFX_ByteStringPool)) {}
+      m_pByteStringPool(pdfium::MakeUnique<CFX_ByteStringPool>()) {}
 
 CFDF_Document::~CFDF_Document() {
   if (m_bOwnFile && m_pFile)
diff --git a/core/fpdfapi/fpdf_parser/cpdf_document.cpp b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
index f8b4f9b87b..75e6a84598 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
@@ -23,6 +23,7 @@
 #include "core/fxcodec/JBig2_DocumentContext.h"
 #include "core/fxge/cfx_unicodeencoding.h"
 #include "core/fxge/fx_font.h"
+#include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
@@ -415,7 +416,7 @@ CPDF_Document::CPDF_Document(std::unique_ptr<CPDF_Parser> pParser)
       m_dwFirstPageObjNum(0),
       m_pDocPage(new CPDF_DocPageData(this)),
       m_pDocRender(new CPDF_DocRenderData(this)),
-      m_pByteStringPool(WrapUnique(new CFX_ByteStringPool)) {
+      m_pByteStringPool(pdfium::MakeUnique<CFX_ByteStringPool>()) {
   if (pParser)
     SetLastObjNum(m_pParser->GetLastObjNum());
 }