Remove a useless variable.

Change-Id: Iea5ce5cfc05bad8b1d9085438e90147bd54b7e9c
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 4d60976..b4ad225 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -208,7 +208,6 @@
     private boolean mHasUncommittedTypedChars;
 
     private int mCorrectionMode;
-    private int mCommittedLength;
     private String mWordSavedForAutoCorrectCancellation;
     // Keep track of the last selection range to decide if we need to show word alternatives
     private int mLastSelectionStart;
@@ -1151,7 +1150,6 @@
             if (ic != null) {
                 ic.commitText(typedWord, 1);
             }
-            mCommittedLength = typedWord.length();
             TextEntryState.acceptedTyped(typedWord);
             addToUserUnigramAndBigramDictionaries(typedWord,
                     UserUnigramDictionary.FREQUENCY_FOR_TYPED);
@@ -1901,7 +1899,6 @@
                 final CompletionInfo completionInfo = mApplicationSpecifiedCompletions[index];
                 ic.commitCompletion(completionInfo);
             }
-            mCommittedLength = suggestion.length();
             if (mSuggestionsView != null) {
                 mSuggestionsView.clear();
             }
@@ -2019,7 +2016,6 @@
             }
         }
         mHasUncommittedTypedChars = false;
-        mCommittedLength = bestWord.length();
     }
 
     private static final WordComposer sEmptyWordComposer = new WordComposer();
@@ -2206,7 +2202,7 @@
     // "ic" must not be null
     private void restartSuggestionsOnManuallyPickedTypedWord(final InputConnection ic) {
         final CharSequence separator = ic.getTextBeforeCursor(1, 0);
-        final int restartLength = mCommittedLength;
+        final int restartLength = mWordComposer.size();
         if (DEBUG) {
             final String wordBeforeCursor =
                 ic.getTextBeforeCursor(restartLength + 1, 0).subSequence(0, restartLength)