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

fpdfsdk/include/javascript/JS_Runtime.h

-// 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_JS_RUNTIME_H_
-#define FPDFSDK_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_
-
-#include <set>
-#include <utility>
-
-#include "../../../core/include/fxcrt/fx_basic.h"
-#include "../jsapi/fxjs_v8.h"
-#include "IJavaScript.h"
-#include "JS_EventHandler.h"
-
-class CJS_Context;
-
-class CJS_Runtime : public IFXJS_Runtime {
- public:
-  class Observer {
-   public:
-    virtual void OnDestroyed() = 0;
-
-   protected:
-    virtual ~Observer() {}
-  };
-
-  using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>;
-
-  explicit CJS_Runtime(CPDFDoc_Environment* pApp);
-  ~CJS_Runtime() override;
-
-  // IFXJS_Runtime
-  IFXJS_Context* NewContext() override;
-  void ReleaseContext(IFXJS_Context* pContext) override;
-  IFXJS_Context* GetCurrentContext() override;
-  void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override;
-  CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; }
-
-  CPDFDoc_Environment* GetReaderApp() const { return m_pApp; }
-
-  // Returns true if the event isn't already found in the set.
-  bool AddEventToSet(const FieldEvent& event);
-  void RemoveEventFromSet(const FieldEvent& event);
-
-  void BeginBlock() { m_bBlocking = TRUE; }
-  void EndBlock() { m_bBlocking = FALSE; }
-  FX_BOOL IsBlocking() const { return m_bBlocking; }
-
-  v8::Isolate* GetIsolate() const { return m_isolate; }
-  v8::Local<v8::Context> NewJSContext();
-
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
-
- private:
-  void DefineJSObjects();
-
-  CFX_ArrayTemplate<CJS_Context*> m_ContextArray;
-  CPDFDoc_Environment* m_pApp;
-  CPDFSDK_Document* m_pDocument;
-  FX_BOOL m_bBlocking;
-  std::set<FieldEvent> m_FieldEventSet;
-  v8::Isolate* m_isolate;
-  bool m_isolateManaged;
-  v8::Global<v8::Context> m_context;
-  std::set<Observer*> m_observers;
-};
-
-#endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_