Rename both As{Byte,Wide}StringC() helpers to AsStringC().

core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp

Index: core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
index af79fd31c1ba7d7efd8bec7a09a0f7bb262db2aa..a484edd6b9660679b49b7d5c74b0691a6525236f 100644
--- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
@@ -74,12 +74,12 @@ CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
   int idnum = 1;
   while (1) {
     name.Format("FX%c%d", szType[0], idnum);
-    if (!pResList->KeyExist(name.AsByteStringC())) {
+    if (!pResList->KeyExist(name.AsStringC())) {
       break;
     }
     idnum++;
   }
-  pResList->AddReference(name.AsByteStringC(), m_pDocument,
+  pResList->AddReference(name.AsStringC(), m_pDocument,
                          pResourceObj->GetObjNum());
   return name;
 }