Revert of Make Document::m_IconList a vector of IconElements.

fpdfsdk/javascript/Document.h

Index: fpdfsdk/javascript/Document.h
diff --git a/fpdfsdk/javascript/Document.h b/fpdfsdk/javascript/Document.h
index d7bf230346c47562cc611a609093f48016be7ab9..a72316c3d1745a472665f6c6fe426e20f588792b 100644
--- a/fpdfsdk/javascript/Document.h
+++ b/fpdfsdk/javascript/Document.h
@@ -18,7 +18,7 @@
 
 class PrintParamsObj : public CJS_EmbedObj {
  public:
-  explicit PrintParamsObj(CJS_Object* pJSObject);
+  PrintParamsObj(CJS_Object* pJSObject);
   ~PrintParamsObj() override {}
 
  public:
@@ -34,8 +34,7 @@
 
 class CJS_PrintParamsObj : public CJS_Object {
  public:
-  explicit CJS_PrintParamsObj(v8::Local<v8::Object> pObject)
-      : CJS_Object(pObject) {}
+  CJS_PrintParamsObj(v8::Local<v8::Object> pObject) : CJS_Object(pObject) {}
   ~CJS_PrintParamsObj() override {}
 
   DECLARE_JS_CLASS();
@@ -48,8 +47,8 @@
   IconElement(const CFX_WideString& name, Icon* stream)
       : IconName(name), IconStream(stream) {}
 
-  const CFX_WideString IconName;
-  Icon* const IconStream;
+  CFX_WideString IconName;
+  Icon* IconStream;
 };
 
 struct CJS_DelayData;
@@ -58,7 +57,7 @@
 
 class Document : public CJS_EmbedObj {
  public:
-  explicit Document(CJS_Object* pJSObject);
+  Document(CJS_Object* pJSObject);
   ~Document() override;
 
   FX_BOOL ADBE(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError);
@@ -292,7 +291,7 @@
   CPDFSDK_FormFillEnvironment::ObservedPtr m_pFormFillEnv;
   CFX_WideString m_cwBaseURL;
   std::list<std::unique_ptr<CJS_DelayData>> m_DelayData;
-  std::vector<IconElement> m_Icons;
+  std::list<std::unique_ptr<IconElement>> m_IconList;
   bool m_bDelay;
 };