Use LeakCanary for all Android Service instances

chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java

Index: chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java b/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java
index 9ca2babbee42f153d6b781d9cc713545574431b1..80588dc4ccb4db8b150699fe45c450d41c9fc10c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/ChromeGcmListenerService.java
@@ -10,6 +10,7 @@ import android.util.Log;
 import com.google.android.gms.gcm.GcmListenerService;
 import com.google.ipc.invalidation.ticl.android2.channel.AndroidGcmController;
 
+import org.chromium.base.LeakCanaryUtil;
 import org.chromium.base.ThreadUtils;
 import org.chromium.components.gcm_driver.GCMDriver;
 
@@ -20,6 +21,12 @@ public class ChromeGcmListenerService extends GcmListenerService {
     private static final String TAG = "ChromeGcmListener";
 
     @Override
+    public void onDestroy() {
+        super.onDestroy();
+        LeakCanaryUtil.watch(this);
+    }
+
+    @Override
     public void onMessageReceived(String from, Bundle data) {
         String invalidationSenderId = AndroidGcmController.get(this).getSenderId();
         if (from.equals(invalidationSenderId)) {