Remove Tutorial class and unused debug feature

This change also cleanups compiler warnings.

Bug: 2897373
Change-Id: If972cf45c1eb40436adbddbf71969e5409f4c9c5

1 files changed, 4 insertions, 3 deletions

diff --git a/java/src/com/android/inputmethod/latin/AutoDictionary.java b/java/src/com/android/inputmethod/latin/AutoDictionary.java
index a3bf25642..307b81d43 100644
--- a/java/src/com/android/inputmethod/latin/AutoDictionary.java
+++ b/java/src/com/android/inputmethod/latin/AutoDictionary.java
@@ -98,7 +98,7 @@ public class AutoDictionary extends ExpandableDictionary {
     }
 
     @Override
-    public boolean isValidWord(CharSequence word) {
+    public synchronized boolean isValidWord(CharSequence word) {
         final int frequency = getWordFrequency(word);
         return frequency >= VALIDITY_THRESHOLD;
     }
@@ -138,7 +138,8 @@ public class AutoDictionary extends ExpandableDictionary {
     }
 
     @Override
-    public void addWord(String word, int addFrequency) {
+    public void addWord(String newWord, int addFrequency) {
+        String word = newWord;
         final int length = word.length();
         // Don't add very short or very long words.
         if (length < 2 || length > getMaxWordLength()) return;
@@ -224,7 +225,7 @@ public class AutoDictionary extends ExpandableDictionary {
         private final DatabaseHelper mDbHelper;
         private final String mLocale;
 
-        public UpdateDbTask(Context context, DatabaseHelper openHelper,
+        public UpdateDbTask(@SuppressWarnings("unused") Context context, DatabaseHelper openHelper,
                 HashMap<String, Integer> pendingWrites, String locale) {
             mMap = pendingWrites;
             mLocale = locale;