From 0a292ad8830c2f74cf5df72a7aa4d0b54fc888cf Mon Sep 17 00:00:00 2001
From: Kurt Partridge <kep@google.com>
Date: Fri, 11 Jan 2013 09:21:07 -0800
Subject: [PATCH] Add comment

Change-Id: If21222aa678a827c1fcad5cacac0fa20655e4e5e
---
 .../src/com/android/inputmethod/research/ResearchLogger.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/java/src/com/android/inputmethod/research/ResearchLogger.java b/java/src/com/android/inputmethod/research/ResearchLogger.java
index ff8067f53..4d0808271 100644
--- a/java/src/com/android/inputmethod/research/ResearchLogger.java
+++ b/java/src/com/android/inputmethod/research/ResearchLogger.java
@@ -838,6 +838,11 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
         mCurrentLogUnit = newLogUnit;
     }
 
+    /**
+     * Record the time of a MotionEvent.ACTION_DOWN.
+     *
+     * Warning: Not thread safe.  Only call from the main thread.
+     */
     private void setSavedDownEventTime(final long time) {
         mSavedDownEventTime = time;
     }