Remove FXJS_GetRuntime

fpdfsdk/src/jsapi/fxjs_v8.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 "../../include/jsapi/fxjs_v8.h"
 
 #include "../../../core/include/fxcrt/fx_basic.h"
 
@@ skipping 424 matching lines @@
 int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj) {
   if (pObj.IsEmpty() || !pObj->InternalFieldCount())
     return -1;
   CFXJS_PrivateData* pPrivateData =
       (CFXJS_PrivateData*)pObj->GetAlignedPointerFromInternalField(0);
   if (pPrivateData)
     return pPrivateData->ObjDefID;
   return -1;
 }
 
-v8::Isolate* FXJS_GetRuntime(v8::Local<v8::Object> pObj) {
-  if (pObj.IsEmpty())
-    return NULL;
-  v8::Local<v8::Context> context = pObj->CreationContext();
-  if (context.IsEmpty())
-    return NULL;
-  return context->GetIsolate();
-}
-
 void FXJS_Error(v8::Isolate* pIsolate, const CFX_WideString& message) {
   // Conversion from pdfium's wchar_t wide-strings to v8's uint16_t
   // wide-strings isn't handled by v8, so use UTF8 as a common
   // intermediate format.
   CFX_ByteString utf8_message = message.UTF8Encode();
   pIsolate->ThrowException(
       v8::String::NewFromUtf8(pIsolate, utf8_message.c_str(),
                               v8::NewStringType::kNormal).ToLocalChecked());
 }
 
@@ skipping 288 matching lines @@
     return v8::Local<v8::Array>();
   v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
   return v8::Local<v8::Array>::Cast(pValue->ToObject(context).ToLocalChecked());
 }
 
 void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom) {
   pTo = pFrom;
 }