Fix leaks in InputConnectionHandlerThread

content/public/android/java/src/org/chromium/content/browser/input/ReplicaInputConnection.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser.input;
 
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
@@ skipping 75 matching lines @@
         public void onWindowFocusChanged(boolean gainFocus) {}
 
         @Override
         public void onViewFocusChanged(boolean gainFocus) {}
 
         @Override
         public void onViewAttachedToWindow() {}
 
         @Override
         public void onViewDetachedFromWindow() {}
+
+        @Override
+        public void destroy() {}
     }
 
     @VisibleForTesting
     ReplicaInputConnection(View view, ImeAdapter imeAdapter, Handler handler, Editable editable,
             int inputType, int inputFlags, int inputMode, EditorInfo outAttrs) {
         super(view, true);
         mImeAdapter = imeAdapter;
         mEditable = editable;
         mHandler = handler;
 
@@ skipping 414 matching lines @@
     @VisibleForTesting
     ImeState getImeStateForTesting() {
         String text = mEditable.toString();
         int selectionStart = Selection.getSelectionStart(mEditable);
         int selectionEnd = Selection.getSelectionEnd(mEditable);
         int compositionStart = getComposingSpanStart(mEditable);
         int compositionEnd = getComposingSpanEnd(mEditable);
         return new ImeState(text, selectionStart, selectionEnd, compositionStart, compositionEnd);
     }
 }