[clang-format][NFC] Don't pass member by argument

[HazardyKnusperkeks]

Summary

And then use the argument and member.

[curdeius]

LGTM.

clang/lib/Format/TokenAnnotator.cpp

 /// into template parameter lists.
 class AnnotatingParser {
 public:
   AnnotatingParser(const FormatStyle &Style, AnnotatedLine &Line,
                    const AdditionalKeywords &Keywords)
       : Style(Style), Line(Line), CurrentToken(Line.First), AutoFound(false),
         Keywords(Keywords) {
     Contexts.push_back(Context(tok::unknown, 1, /*IsExpression=*/false));
-    resetTokenMetadata(CurrentToken);
+    resetTokenMetadata();
   }
 
 private:
   bool parseAngle() {
     if (!CurrentToken || !CurrentToken->Previous)
       return false;
     if (NonTemplateLess.count(CurrentToken->Previous))
       return false;
return Tok.TokenText == "goog" && Tok.Next && Tok.Next->is(tok::period) &&
            (Tok.Next->Next->TokenText == "module" ||
             Tok.Next->Next->TokenText == "provide" ||
             Tok.Next->Next->TokenText == "require" ||
             Tok.Next->Next->TokenText == "requireType" ||
             Tok.Next->Next->TokenText == "forwardDeclare") &&
            Tok.Next->Next->Next && Tok.Next->Next->Next->is(tok::l_paren);
   }
 
-  void resetTokenMetadata(FormatToken *Token) {
-    if (!Token)
+  void resetTokenMetadata() {
+    if (!CurrentToken)
       return;
 
     // Reset token type in case we have already looked at it and then
     // recovered from an error (e.g. failure to find the matching >).
     if (!CurrentToken->isOneOf(
             TT_LambdaLSquare, TT_LambdaLBrace, TT_AttributeMacro, TT_IfMacro,
             TT_ForEachMacro, TT_TypenameMacro, TT_FunctionLBrace,
             TT_ImplicitStringLiteral, TT_InlineASMBrace, TT_FatArrow,
void next() {
     if (CurrentToken) {
       CurrentToken->NestingLevel = Contexts.size() - 1;
       CurrentToken->BindingStrength = Contexts.back().BindingStrength;
       modifyContext(*CurrentToken);
       determineTokenType(*CurrentToken);
       CurrentToken = CurrentToken->Next;
     }
 
-    resetTokenMetadata(CurrentToken);
+    resetTokenMetadata();
   }
 
   /// A struct to hold information valid in a specific context, e.g.
   /// a pair of parenthesis.
   struct Context {
     Context(tok::TokenKind ContextKind, unsigned BindingStrength,
             bool IsExpression)
         : ContextKind(ContextKind), BindingStrength(BindingStrength),