Internal cleanup.

Function renaming, useless function supressing, fix comments

Change-Id: I148acbaf367cd556a85b89016676b46cc971af81
diff --git a/native/src/unigram_dictionary.h b/native/src/unigram_dictionary.h
index 56690fe..7183b20 100644
--- a/native/src/unigram_dictionary.h
+++ b/native/src/unigram_dictionary.h
@@ -80,7 +80,7 @@
             const int excessivePos, const int transposedPos, const int freq,
             const bool sameLength) const;
     void onTerminal(unsigned short int* word, const int depth,
-            const uint8_t* const root, const uint8_t flags, int pos,
+            const uint8_t* const root, const uint8_t flags, const int pos,
             const int inputIndex, const int matchWeight, const int skipPos,
             const int excessivePos, const int transposedPos, const int freq, const bool sameLength,
             int *nextLetters, const int nextLettersSize);
@@ -95,7 +95,8 @@
             int *nextLetters, const int nextLettersSize, int *newCount, int *newChildPosition,
             bool *newTraverseAllNodes, int *newSnr, int*newInputIndex, int *newDiffs,
             int *nextSiblingPosition, int *nextOutputIndex);
-    int getBestWordFreq(const int startInputIndex, const int inputLength, unsigned short *word);
+    int getMostFrequentWordLike(const int startInputIndex, const int inputLength,
+            unsigned short *word);
     // Process a node by considering missing space
     bool processCurrentNodeForExactMatch(const int firstChildPos,
             const int startInputIndex, const int depth, unsigned short *word,