Move parser pointer to CPDF_Document

core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp

Index: core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
index a77f022c405d732359c640f71222a274c8679832..4f65ee1410887929a403cb9cdb6cf0a45524eecf 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
@@ -92,7 +92,7 @@ class PDFObjectsTest : public testing::Test {
       m_DirectObjs.emplace_back(objs[i]);
 
     // Indirect references to indirect objects.
-    m_ObjHolder.reset(new CPDF_IndirectObjectHolder(nullptr));
+    m_ObjHolder.reset(new CPDF_IndirectObjectHolder());
     m_IndirectObjs = {boolean_true_obj, number_int_obj, str_spec_obj, name_obj,
                       m_ArrayObj,       m_DictObj,      stream_obj};
     for (size_t i = 0; i < m_IndirectObjs.size(); ++i) {
@@ -710,7 +710,7 @@ TEST(PDFArrayTest, AddStringAndName) {
 
 TEST(PDFArrayTest, AddReferenceAndGetObjectAt) {
   std::unique_ptr<CPDF_IndirectObjectHolder> holder(
-      new CPDF_IndirectObjectHolder(nullptr));
+      new CPDF_IndirectObjectHolder());
   CPDF_Boolean* boolean_obj = new CPDF_Boolean(true);
   CPDF_Number* int_obj = new CPDF_Number(-1234);
   CPDF_Number* float_obj = new CPDF_Number(2345.089f);
@@ -725,13 +725,14 @@ TEST(PDFArrayTest, AddReferenceAndGetObjectAt) {
   // Create two arrays of references by different AddReference() APIs.
   for (size_t i = 0; i < FX_ArraySize(indirect_objs); ++i) {
     // All the indirect objects inserted will be owned by holder.
-    holder->InsertIndirectObject(obj_nums[i], indirect_objs[i]);
+    holder->ReplaceIndirectObjectIfHigherGeneration(obj_nums[i],
+                                                    indirect_objs[i]);
     arr->AddReference(holder.get(), obj_nums[i]);
     arr1->AddReference(holder.get(), indirect_objs[i]);
   }
   // Check indirect objects.
   for (size_t i = 0; i < FX_ArraySize(obj_nums); ++i)
-    EXPECT_EQ(indirect_objs[i], holder->GetIndirectObject(obj_nums[i]));
+    EXPECT_EQ(indirect_objs[i], holder->GetIndirectObjectIfValid(obj_nums[i]));
   // Check arrays.
   EXPECT_EQ(arr->GetCount(), arr1->GetCount());
   for (size_t i = 0; i < arr->GetCount(); ++i) {