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

core/fpdfdoc/doc_annot.cpp

Index: core/fpdfdoc/doc_annot.cpp
diff --git a/core/fpdfdoc/doc_annot.cpp b/core/fpdfdoc/doc_annot.cpp
index d1942eccd0e3dce92332838fe7cc468947cbce4d..1db37ccdb317d75f21d494de3418613409483498 100644
--- a/core/fpdfdoc/doc_annot.cpp
+++ b/core/fpdfdoc/doc_annot.cpp
@@ -181,12 +181,12 @@ CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict,
         CPDF_Dictionary* pDict = pAnnotDict->GetDictBy("Parent");
         value = pDict ? pDict->GetStringBy("V") : CFX_ByteString();
       }
-      if (value.IsEmpty() || !pDict->KeyExist(value.AsByteStringC()))
+      if (value.IsEmpty() || !pDict->KeyExist(value.AsStringC()))
         as = "Off";
       else
         as = value;
     }
-    return pDict->GetStreamBy(as.AsByteStringC());
+    return pDict->GetStreamBy(as.AsStringC());
   }
   return nullptr;
 }