Review and cleanup lint warnings.

fpdfsdk/src/javascript/app.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 "fpdfsdk/src/javascript/app.h"
 
 #include <memory>
+#include <vector>
 
-#include "fpdfsdk/include/fsdk_mgr.h"  // For CPDFDoc_Environment.
+#include "fpdfsdk/include/fsdk_mgr.h"
 #include "fpdfsdk/include/javascript/IJavaScript.h"
 #include "fpdfsdk/src/javascript/Document.h"
 #include "fpdfsdk/src/javascript/JS_Context.h"
 #include "fpdfsdk/src/javascript/JS_Define.h"
 #include "fpdfsdk/src/javascript/JS_EventHandler.h"
 #include "fpdfsdk/src/javascript/JS_Object.h"
 #include "fpdfsdk/src/javascript/JS_Runtime.h"
 #include "fpdfsdk/src/javascript/JS_Value.h"
 #include "fpdfsdk/src/javascript/resource.h"
 
@@ skipping 718 matching lines @@
 FX_BOOL app::media(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) {
   return FALSE;
 }
 
 FX_BOOL app::execDialog(IJS_Context* cc,
                         const std::vector<CJS_Value>& params,
                         CJS_Value& vRet,
                         CFX_WideString& sError) {
   return TRUE;
 }