Make CPDF_Object containers hold objects via unique pointers

core/fpdfapi/parser/cpdf_object_unittest.cpp

Index: core/fpdfapi/parser/cpdf_object_unittest.cpp
diff --git a/core/fpdfapi/parser/cpdf_object_unittest.cpp b/core/fpdfapi/parser/cpdf_object_unittest.cpp
index 8215226ef3919ef2fdcac3abaf60bf179f66554a..e5a5f549159017d67649ecff03ebe6c1b1b7afbe 100644
--- a/core/fpdfapi/parser/cpdf_object_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_object_unittest.cpp
@@ -139,7 +139,7 @@ class PDFObjectsTest : public testing::Test {
           return false;
         for (CPDF_Dictionary::const_iterator it = dict1->begin();
              it != dict1->end(); ++it) {
-          if (!Equal(it->second, dict2->GetObjectFor(it->first)))
+          if (!Equal(it->second.get(), dict2->GetObjectFor(it->first)))
             return false;
         }
         return true;