Make CPDF_Object containers hold objects via unique pointers.

This tweaks the implementation while leaving the API the
same.  The API change is more disruptive, so break this
part off first.

Review-Url: https://codereview.chromium.org/2385293002

3 files changed, 3 insertions, 3 deletions

diff --git a/core/fpdfapi/page/cpdf_allstates.cpp b/core/fpdfapi/page/cpdf_allstates.cpp
index 70de98e3f0..c00af83aa8 100644
--- a/core/fpdfapi/page/cpdf_allstates.cpp
+++ b/core/fpdfapi/page/cpdf_allstates.cpp
@@ -52,7 +52,7 @@ void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS,
                                   CPDF_StreamContentParser* pParser) {
   for (const auto& it : *pGS) {
     const CFX_ByteString& key_str = it.first;
-    CPDF_Object* pElement = it.second;
+    CPDF_Object* pElement = it.second.get();
     CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr;
     if (!pObject)
       continue;
diff --git a/core/fpdfapi/page/cpdf_colorspace.cpp b/core/fpdfapi/page/cpdf_colorspace.cpp
index fe840d10df..12af11e7d4 100644
--- a/core/fpdfapi/page/cpdf_colorspace.cpp
+++ b/core/fpdfapi/page/cpdf_colorspace.cpp
@@ -345,7 +345,7 @@ std::unique_ptr<CPDF_ColorSpace> CPDF_ColorSpace::Load(CPDF_Document* pDoc,
 
     for (const auto& it : *pDict) {
       std::unique_ptr<CPDF_ColorSpace> pRet;
-      CPDF_Object* pValue = it.second;
+      CPDF_Object* pValue = it.second.get();
       if (ToName(pValue))
         pRet.reset(ColorspaceFromName(pValue->GetString()));
       if (pRet)
diff --git a/core/fpdfapi/page/fpdf_page_parser.cpp b/core/fpdfapi/page/fpdf_page_parser.cpp
index b6f0bc605c..e27872a538 100644
--- a/core/fpdfapi/page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/page/fpdf_page_parser.cpp
@@ -97,7 +97,7 @@ void PDF_ReplaceAbbr(CPDF_Object* pObj) {
       std::vector<AbbrReplacementOp> replacements;
       for (const auto& it : *pDict) {
         CFX_ByteString key = it.first;
-        CPDF_Object* value = it.second;
+        CPDF_Object* value = it.second.get();
         CFX_ByteStringC fullname =
             PDF_FindFullName(PDF_InlineKeyAbbr, FX_ArraySize(PDF_InlineKeyAbbr),
                              key.AsStringC());