Fix some compiler warnings

This CL fixes the following compiler warnings.

- Indirect access to static member
- Access to a non-accessible member of an enclosing type
- Parameter assignment
- Method can be static
- Local variable declaration hides another field or variable
- Value of local variable is not used
- Unused import
- Unused private member
- Unnecessary 'else' statement
- Unnecessary declaration of throw exception
- Redundant type arguments
- Missing '@Override' annotation
- Unused '@SuppressWarning' annotations

Bug: 18003991
Change-Id: Icfebe753e53a2cc621848f769d6a3d7ce501ebc7

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java b/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
index 766627334..778f6e800 100644
--- a/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
+++ b/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
@@ -67,14 +67,14 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
         FileUtils.deleteFilteredFiles(dictFile.getParentFile(), filenameFilter);
     }
 
-    private void printAllFiles(final File dir) {
+    private static void printAllFiles(final File dir) {
         Log.d(TAG, dir.getAbsolutePath());
         for (final File file : dir.listFiles()) {
             Log.d(TAG, "  " + file.getName());
         }
     }
 
-    private void checkExistenceAndRemoveDictFile(final UserHistoryDictionary dict,
+    private static void checkExistenceAndRemoveDictFile(final UserHistoryDictionary dict,
             final File dictFile) {
         Log.d(TAG, "waiting for writing ...");
         dict.waitAllTasksForTests();
@@ -193,7 +193,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
      * Clear all entries in the user history dictionary.
      * @param dict the user history dictionary.
      */
-    private void clearHistory(final UserHistoryDictionary dict) {
+    private static void clearHistory(final UserHistoryDictionary dict) {
         dict.waitAllTasksForTests();
         dict.clear();
         dict.close();