Rework CFX_CountRef in terms of CFX_RetainPtr

core/fxcrt/include/fx_basic.h

Index: core/fxcrt/include/fx_basic.h
diff --git a/core/fxcrt/include/fx_basic.h b/core/fxcrt/include/fx_basic.h
index bc05a3479dacd5038ef4d780e3b011413089eca2..6a8988d5dc895061badbd8cf00cc35cf96e3598d 100644
--- a/core/fxcrt/include/fx_basic.h
+++ b/core/fxcrt/include/fx_basic.h
@@ -649,75 +649,6 @@ class CFX_BitStream {
   const uint8_t* m_pData;
 };
 
-template <class ObjClass>
-class CFX_CountRef {
- public:
-  using Ref = CFX_CountRef<ObjClass>;
-
-  class CountedObj : public ObjClass {
-   public:
-    CountedObj() {}
-    CountedObj(const CountedObj& src) : ObjClass(src) {}
-
-    int m_RefCount;
-  };
-
-  CFX_CountRef() : m_pObject(nullptr) {}
-  CFX_CountRef(const Ref& ref) : m_pObject(ref.m_pObject) {
-    if (m_pObject)
-      m_pObject->m_RefCount++;
-  }
-
-  ~CFX_CountRef() { SetNull(); }
-
-  ObjClass* New() {
-    SetNull();
-    m_pObject = new CountedObj;
-    m_pObject->m_RefCount = 1;
-    return m_pObject;
-  }
-
-  void operator=(const Ref& ref) {
-    if (ref.m_pObject)
-      ref.m_pObject->m_RefCount++;
-    SetNull();
-    m_pObject = ref.m_pObject;
-  }
-
-  bool IsNull() const { return !m_pObject; }
-  bool NotNull() const { return !IsNull(); }
-
-  const ObjClass* GetObject() const { return m_pObject; }
-  ObjClass* GetModify() {
-    if (!m_pObject) {
-      m_pObject = new CountedObj;
-      m_pObject->m_RefCount = 1;
-    } else if (m_pObject->m_RefCount > 1) {
-      m_pObject->m_RefCount--;
-      CountedObj* pOldObject = m_pObject;
-      m_pObject = new CountedObj(*pOldObject);
-      m_pObject->m_RefCount = 1;
-    }
-    return m_pObject;
-  }
-
-  void SetNull() {
-    if (!m_pObject) {
-      return;
-    }
-    m_pObject->m_RefCount--;
-    if (m_pObject->m_RefCount <= 0) {
-      delete m_pObject;
-    }
-    m_pObject = nullptr;
-  }
-
-  bool operator==(const Ref& ref) const { return m_pObject == ref.m_pObject; }
-
- protected:
-  CountedObj* m_pObject;
-};
-
 class IFX_Pause {
  public:
   virtual ~IFX_Pause() {}