Add empty implementation of ThreadedInputConnection.deleteSurroundingTextInCodePoints().

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

Index: content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java b/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
index 3728bf3b7482406dd2a3c28ea11feb691b98d6f6..5467df76b7b4c3a693e2f05c1f9cbb21e70afc49 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
@@ -398,6 +398,14 @@ public class ThreadedInputConnection implements ChromiumBaseInputConnection {
     }
 
     /**
+     * @see InputConnection#deleteSurroundingTextInCodePoints(int, int)
+     */
+    public boolean deleteSurroundingTextInCodePoints(int beforeLength, int afterLength) {
+        // TODO(changwan): Implement this. http://crbug.com/595525
+        return false;
+    }
+
+    /**
      * @see InputConnection#sendKeyEvent(android.view.KeyEvent)
      */
     @Override