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

fpdfsdk/src/javascript/JS_EventHandler.cpp

 // 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
 
+#include "JS_EventHandler.h"
+
 #include "../../include/javascript/IJavaScript.h"
-#include "../../include/javascript/JS_EventHandler.h"
-#include "../../include/javascript/JS_Context.h"
-#include "../../include/javascript/JS_Runtime.h"
-#include "../../include/javascript/JS_Define.h"
-#include "../../include/javascript/JS_Object.h"
-#include "../../include/javascript/JS_Value.h"
-#include "../../include/javascript/Document.h"
-#include "../../include/javascript/Field.h"
+#include "Document.h"
+#include "Field.h"
+#include "JS_Context.h"
+#include "JS_Define.h"
+#include "JS_Object.h"
+#include "JS_Runtime.h"
+#include "JS_Value.h"
 
 /* ---------------------------- CJS_EventHandler ---------------------------- */
 
 CJS_EventHandler::CJS_EventHandler(CJS_Context* pContext)
     : m_pJSContext(pContext),
       m_eEventType(JET_UNKNOWN),
       m_bValid(FALSE),
       m_pWideStrChange(NULL),
       m_nCommitKey(-1),
       m_bKeyDown(FALSE),
@@ skipping 635 matching lines @@
   return *m_pValue;
 }
 
 FX_BOOL CJS_EventHandler::WillCommit() {
   return m_bWillCommit;
 }
 
 CFX_WideString CJS_EventHandler::TargetName() {
   return m_strTargetName;
 }