Re-enable MSVC warning 4800 for compiling with chromium_code

fpdfsdk/src/javascript/Document.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/Document.h"
 
 #include <vector>
 
@@ skipping 634 matching lines @@
       CPDF_FormField* pField = pPDFForm->GetField(j, sName);
       if (!bEmpty && pField->GetValue().IsEmpty())
         continue;
 
       fieldObjects.push_back(pField);
     }
   }
 
   if (pPDFInterForm->CheckRequiredFields(&fieldObjects, true)) {
     pRuntime->BeginBlock();
-    pInterForm->SubmitFields(strURL, fieldObjects, TRUE, !bFDF);
+    pInterForm->SubmitFields(strURL, fieldObjects, true, !bFDF);
     pRuntime->EndBlock();
   }
   return TRUE;
 }
 
 void Document::AttachDoc(CPDFSDK_Document* pDoc) {
   m_pDocument = pDoc;
 }
 
 CPDFSDK_Document* Document::GetReaderDoc() {
@@ skipping 130 matching lines @@
       CFX_WideString wsKey = CFX_WideString::FromUTF8(bsKey, bsKey.GetLength());
 
       if (pValueObj->IsString() || pValueObj->IsName()) {
         FXJS_PutObjectString(isolate, pObj, wsKey.c_str(),
                              pValueObj->GetUnicodeText().c_str());
       } else if (pValueObj->IsNumber()) {
         FXJS_PutObjectNumber(isolate, pObj, wsKey.c_str(),
                              (float)pValueObj->GetNumber());
       } else if (pValueObj->IsBoolean()) {
         FXJS_PutObjectBoolean(isolate, pObj, wsKey.c_str(),
-                              (bool)pValueObj->GetInteger());
+                              !!pValueObj->GetInteger());
       }
     }
     vp << pObj;
   }
   return TRUE;
 }
 
 FX_BOOL Document::creationDate(IJS_Context* cc,
                                CJS_PropValue& vp,
                                CFX_WideString& sError) {
@@ skipping 807 matching lines @@
     CJS_DelayData* pData = DelayDataForFieldAndControlIndex.GetAt(i);
     Field::DoDelay(m_pDocument, pData);
     DelayDataForFieldAndControlIndex.SetAt(i, NULL);
     delete pData;
   }
 }
 
 CJS_Document* Document::GetCJSDoc() const {
   return static_cast<CJS_Document*>(m_pJSObject);
 }