findFirstGrammarDetail doesn't need to be exposed

Source/core/editing/TextCheckingHelper.cpp

Index: Source/core/editing/TextCheckingHelper.cpp
diff --git a/Source/core/editing/TextCheckingHelper.cpp b/Source/core/editing/TextCheckingHelper.cpp
index 3a35783430975b388015dcea04bb974b389cf418..88d171b89fe630dcbd1dfa054d85031acf754a65 100644
--- a/Source/core/editing/TextCheckingHelper.cpp
+++ b/Source/core/editing/TextCheckingHelper.cpp
@@ -410,7 +410,7 @@ String TextCheckingHelper::findFirstMisspellingOrBadGrammar(bool checkGrammar, b
     return firstFoundItem;
 }
 
-int TextCheckingHelper::findFirstGrammarDetail(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int /*badGrammarPhraseLength*/, int startOffset, int endOffset, bool markAll)
+int TextCheckingHelper::findFirstGrammarDetail(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int startOffset, int endOffset, bool markAll) const
 {
     // Found some bad grammar. Find the earliest detail range that starts in our search range (if any).
     // Optionally add a DocumentMarker for each detail in the range.
@@ -479,7 +479,7 @@ String TextCheckingHelper::findFirstBadGrammar(GrammarDetail& outGrammarDetail,
 
 
         // Found some bad grammar. Find the earliest detail range that starts in our search range (if any).
-        int badGrammarIndex = findFirstGrammarDetail(grammarDetails, badGrammarPhraseLocation, badGrammarPhraseLength, paragraph.checkingStart(), paragraph.checkingEnd(), markAll);
+        int badGrammarIndex = findFirstGrammarDetail(grammarDetails, badGrammarPhraseLocation, paragraph.checkingStart(), paragraph.checkingEnd(), markAll);
         if (badGrammarIndex >= 0) {
             ASSERT(static_cast<unsigned>(badGrammarIndex) < grammarDetails.size());
             outGrammarDetail = grammarDetails[badGrammarIndex];