Make the vast majority of JS headers private to src/javascript.

fpdfsdk/include/javascript/Icon.h

Index: fpdfsdk/include/javascript/Icon.h
diff --git a/fpdfsdk/include/javascript/Icon.h b/fpdfsdk/include/javascript/Icon.h
deleted file mode 100644
index 9b6d21b985085e9ab9481a75436eac7826658ba3..0000000000000000000000000000000000000000
--- a/fpdfsdk/include/javascript/Icon.h
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef FPDFSDK_INCLUDE_JAVASCRIPT_ICON_H_
-#define FPDFSDK_INCLUDE_JAVASCRIPT_ICON_H_
-
-#include "JS_Define.h"
-
-class Icon : public CJS_EmbedObj {
- public:
-  Icon(CJS_Object* pJSObject);
-  ~Icon() override;
-
-  FX_BOOL name(IFXJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError);
-  void SetStream(CPDF_Stream* pIconStream);
-  CPDF_Stream* GetStream();
-  void SetIconName(CFX_WideString name);
-  CFX_WideString GetIconName();
-
- private:
-  CPDF_Stream* m_pIconStream;
-  CFX_WideString m_swIconName;
-};
-
-class CJS_Icon : public CJS_Object {
- public:
-  CJS_Icon(v8::Local<v8::Object> pObject) : CJS_Object(pObject) {}
-  ~CJS_Icon() override {}
-
- public:
-  DECLARE_JS_CLASS(CJS_Icon);
-
-  JS_STATIC_PROP(name, Icon);
-};
-
-#endif  // FPDFSDK_INCLUDE_JAVASCRIPT_ICON_H_