Pass CFX_*StringCs to FX_HashCode_GETA and _GETW hash functions.

xfa/fxfa/fm2js/xfa_simpleexpression.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 "xfa/fxfa/fm2js/xfa_simpleexpression.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 
@@ skipping 465 matching lines @@
   if (m_pArguments) {
     for (int i = 0; i < m_pArguments->GetSize(); ++i) {
       delete reinterpret_cast<CXFA_FMSimpleExpression*>(m_pArguments->GetAt(i));
     }
     m_pArguments->RemoveAll();
     delete m_pArguments;
   }
 }
 
 bool CXFA_FMCallExpression::IsBuildInFunc(CFX_WideTextBuf* funcName) {
-  uint32_t uHash = FX_HashCode_String_GetW(funcName->GetBuffer(),
-                                           funcName->GetLength(), TRUE);
+  uint32_t uHash = FX_HashCode_GetW(funcName->AsStringC(), true);
   const XFA_FMBuildInFunc* pEnd = g_BuildInFuncs + FX_ArraySize(g_BuildInFuncs);
   const XFA_FMBuildInFunc* pFunc =
       std::lower_bound(g_BuildInFuncs, pEnd, uHash,
                        [](const XFA_FMBuildInFunc& func, uint32_t hash) {
                          return func.m_uHash < hash;
                        });
   if (pFunc < pEnd && uHash == pFunc->m_uHash) {
     funcName->Clear();
     *funcName << pFunc->m_buildinfunc;
     return true;
   }
   return false;
 }
 
 uint32_t CXFA_FMCallExpression::IsMethodWithObjParam(
     const CFX_WideStringC& methodName) {
-  int32_t iLength = methodName.GetLength();
-  uint32_t uHash = FX_HashCode_String_GetW(methodName.c_str(), iLength);
+  uint32_t uHash = FX_HashCode_GetW(methodName, false);
   XFA_FMSOMMethod somMethodWithObjPara;
   uint32_t parameters = 0x00;
   int32_t iStart = 0,
           iEnd = (sizeof(gs_FMSomMethods) / sizeof(gs_FMSomMethods[0])) - 1;
   int32_t iMid = (iStart + iEnd) / 2;
   do {
     iMid = (iStart + iEnd) / 2;
     somMethodWithObjPara = gs_FMSomMethods[iMid];
     if (uHash == somMethodWithObjPara.m_uHash) {
       parameters = somMethodWithObjPara.m_dParameters;
@@ skipping 221 matching lines @@
       L"for(var index = accessor_object.length - 1; index > 1; index--)\n{\n");
   javascript << FX_WSTRC(L"method_return_value = accessor_object[index].");
   m_pExp2->ToJavaScript(javascript);
   javascript << FX_WSTRC(L";\n}\n}\n");
   javascript << FX_WSTRC(L"else\n{\nmethod_return_value = accessor_object.");
   m_pExp2->ToJavaScript(javascript);
   javascript << FX_WSTRC(L";\n}\n");
   javascript << FX_WSTRC(L"return method_return_value;\n");
   javascript << FX_WSTRC(L"}\n).call(this)");
 }