Refactor the correction algorithm related to missing character correction

Change-Id: If68f2aaea7df48d013aea5401cee4ec0df32111a
diff --git a/native/src/proximity_info.h b/native/src/proximity_info.h
index b28191d..a9477e4 100644
--- a/native/src/proximity_info.h
+++ b/native/src/proximity_info.h
@@ -44,7 +44,7 @@
     bool existsCharInProximityAt(const int index, const int c) const;
     bool existsAdjacentProximityChars(const int index) const;
     ProximityType getMatchedProximityId(
-            const int index, const unsigned short c, CorrectionState *correctionState) const;
+            const int index, const unsigned short c, const bool checkProximityChars) const;
     bool sameAsTyped(const unsigned short *word, int length) const;
 private:
     int getStartIndexFromCoordinates(const int x, const int y) const;