Fix build of pdf_hint_table_fuzzer.chromium/2877

Restore CPDF_Dictionary default constructor.
Use it in places where reasonable in the code.

TBR=dsinclair@chromium.org
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2383843002

4 files changed, 14 insertions, 14 deletions

diff --git a/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp b/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
index 5b9699d019..5696fc0c8d 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_dictionary.cpp
@@ -19,6 +19,9 @@
 #include "third_party/base/logging.h"
 #include "third_party/base/stl_util.h"
 
+CPDF_Dictionary::CPDF_Dictionary()
+    : CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>()) {}
+
 CPDF_Dictionary::CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool)
     : m_pPool(pPool) {}
 
diff --git a/core/fpdfapi/fpdf_parser/cpdf_dictionary.h b/core/fpdfapi/fpdf_parser/cpdf_dictionary.h
index 07903f5bd7..e3fd594575 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_dictionary.h
+++ b/core/fpdfapi/fpdf_parser/cpdf_dictionary.h
@@ -23,6 +23,7 @@ class CPDF_Dictionary : public CPDF_Object {
   using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator;
   using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator;
 
+  CPDF_Dictionary();
   explicit CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
 
   // CPDF_Object.
diff --git a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
index beeb8f30c9..9b702099bb 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_object_unittest.cpp
@@ -66,7 +66,7 @@ class PDFObjectsTest : public testing::Test {
     m_ArrayObj->InsertAt(0, new CPDF_Number(8902));
     m_ArrayObj->InsertAt(1, new CPDF_Name("address"));
     // Dictionary object.
-    m_DictObj = new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    m_DictObj = new CPDF_Dictionary();
     m_DictObj->SetFor("bool", new CPDF_Boolean(false));
     m_DictObj->SetFor("num", new CPDF_Number(0.23f));
     // Stream object.
@@ -74,7 +74,7 @@ class PDFObjectsTest : public testing::Test {
     size_t buf_len = FX_ArraySize(content);
     uint8_t* buf = reinterpret_cast<uint8_t*>(malloc(buf_len));
     memcpy(buf, content, buf_len);
-    m_StreamDictObj = new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    m_StreamDictObj = new CPDF_Dictionary();
     m_StreamDictObj->SetFor("key1", new CPDF_String(L" test dict"));
     m_StreamDictObj->SetFor("key2", new CPDF_Number(-1));
     CPDF_Stream* stream_obj = new CPDF_Stream(buf, buf_len, m_StreamDictObj);
@@ -553,7 +553,7 @@ TEST(PDFArrayTest, GetTypeAt) {
     CPDF_Dictionary* vals[3];
     ScopedArray arr(new CPDF_Array);
     for (size_t i = 0; i < 3; ++i) {
-      vals[i] = new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+      vals[i] = new CPDF_Dictionary();
       for (size_t j = 0; j < 3; ++j) {
         std::string key("key");
         char buf[33];
@@ -580,7 +580,7 @@ TEST(PDFArrayTest, GetTypeAt) {
     CPDF_Stream* stream_vals[3];
     ScopedArray arr(new CPDF_Array);
     for (size_t i = 0; i < 3; ++i) {
-      vals[i] = new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+      vals[i] = new CPDF_Dictionary();
       for (size_t j = 0; j < 3; ++j) {
         std::string key("key");
         char buf[33];
@@ -625,13 +625,11 @@ TEST(PDFArrayTest, GetTypeAt) {
     arr_val->AddNumber(1);
     arr_val->AddNumber(2);
     arr->InsertAt(11, arr_val);
-    CPDF_Dictionary* dict_val =
-        new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    CPDF_Dictionary* dict_val = new CPDF_Dictionary();
     dict_val->SetFor("key1", new CPDF_String("Linda", false));
     dict_val->SetFor("key2", new CPDF_String("Zoe", false));
     arr->InsertAt(12, dict_val);
-    CPDF_Dictionary* stream_dict =
-        new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    CPDF_Dictionary* stream_dict = new CPDF_Dictionary();
     stream_dict->SetFor("key1", new CPDF_String("John", false));
     stream_dict->SetFor("key2", new CPDF_String("King", false));
     uint8_t data[] = "A stream for test";
@@ -770,7 +768,7 @@ TEST(PDFArrayTest, CloneDirectObject) {
 
 TEST(PDFDictionaryTest, CloneDirectObject) {
   CPDF_IndirectObjectHolder objects_holder;
-  ScopedDict dict(new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>()));
+  ScopedDict dict(new CPDF_Dictionary());
   dict->SetReferenceFor("foo", &objects_holder, 1234);
   ASSERT_EQ(1U, dict->GetCount());
   CPDF_Object* obj = dict->GetObjectFor("foo");
@@ -792,8 +790,7 @@ TEST(PDFObjectTest, CloneCheckLoop) {
     // Create an object with a reference loop.
     ScopedArray arr_obj(new CPDF_Array);
     // Dictionary object.
-    CPDF_Dictionary* dict_obj =
-        new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    CPDF_Dictionary* dict_obj = new CPDF_Dictionary();
     dict_obj->SetFor("arr", arr_obj.get());
     arr_obj->InsertAt(0, dict_obj);
 
@@ -811,8 +808,7 @@ TEST(PDFObjectTest, CloneCheckLoop) {
   {
     CPDF_IndirectObjectHolder objects_holder;
     // Create an object with a reference loop.
-    CPDF_Dictionary* dict_obj =
-        new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>());
+    CPDF_Dictionary* dict_obj = new CPDF_Dictionary();
     CPDF_Array* arr_obj = new CPDF_Array;
     objects_holder.AddIndirectObject(dict_obj);
     EXPECT_EQ(1u, dict_obj->GetObjNum());
diff --git a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
index 88d04203a1..4f6d046397 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_stream.cpp
@@ -93,7 +93,7 @@ void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) {
     FXSYS_memcpy(m_pDataBuf.get(), pData, size);
   m_dwSize = size;
   if (!m_pDict)
-    m_pDict.reset(new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>()));
+    m_pDict.reset(new CPDF_Dictionary());
   m_pDict->SetIntegerFor("Length", size);
   m_pDict->RemoveFor("Filter");
   m_pDict->RemoveFor("DecodeParms");