Make CPDF_Dictionary use unique pointers.

core/fpdfdoc/cpdf_filespec_unittest.cpp

Index: core/fpdfdoc/cpdf_filespec_unittest.cpp
diff --git a/core/fpdfdoc/cpdf_filespec_unittest.cpp b/core/fpdfdoc/cpdf_filespec_unittest.cpp
index 4da50193143d6d7e65c22fbb9011f9fe66efca78..d164165f00da932242b4d0111cff2ecac28b3df7 100644
--- a/core/fpdfdoc/cpdf_filespec_unittest.cpp
+++ b/core/fpdfdoc/cpdf_filespec_unittest.cpp
@@ -67,7 +67,8 @@ TEST(cpdf_filespec, GetFileName) {
       L"/docs/test.pdf"
 #endif
     };
-    std::unique_ptr<CPDF_Object> str_obj(new CPDF_String(test_data.input));
+    std::unique_ptr<CPDF_Object> str_obj(
+        new CPDF_String(nullptr, test_data.input));
     CPDF_FileSpec file_spec(str_obj.get());
     CFX_WideString file_name;
     EXPECT_TRUE(file_spec.GetFileName(&file_name));
@@ -102,13 +103,13 @@ TEST(cpdf_filespec, GetFileName) {
     CPDF_FileSpec file_spec(dict_obj.get());
     CFX_WideString file_name;
     for (int i = 0; i < 5; ++i) {
-      dict_obj->SetFor(keywords[i], new CPDF_String(test_data[i].input));
+      dict_obj->SetNewFor<CPDF_String>(keywords[i], test_data[i].input);
       EXPECT_TRUE(file_spec.GetFileName(&file_name));
       EXPECT_TRUE(file_name == test_data[i].expected);
     }
 
     // With all the former fields and 'FS' field suggests 'URL' type.
-    dict_obj->SetStringFor("FS", "URL");
+    dict_obj->SetNewFor<CPDF_String>("FS", "URL", false);
     EXPECT_TRUE(file_spec.GetFileName(&file_name));
     // Url string is not decoded.
     EXPECT_TRUE(file_name == test_data[4].input);
@@ -136,7 +137,7 @@ TEST(cpdf_filespec, SetFileName) {
 #endif
   };
   // String object.
-  std::unique_ptr<CPDF_Object> str_obj(new CPDF_String(L"babababa"));
+  std::unique_ptr<CPDF_Object> str_obj(new CPDF_String(nullptr, L"babababa"));
   CPDF_FileSpec file_spec1(str_obj.get());
   file_spec1.SetFileName(test_data.input);
   // Check internal object value.