Use LeakCanary for all Android Service instances

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

Index: chrome/android/java/src/org/chromium/chrome/browser/services/gcm/InvalidationGcmUpstreamSender.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/InvalidationGcmUpstreamSender.java b/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/InvalidationGcmUpstreamSender.java
index 1613dd071e22858c135beaae6c9d42216262663a..97f2a5cf6b52a35ac0de62df0b519078e90caa4b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/InvalidationGcmUpstreamSender.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/services/gcm/InvalidationGcmUpstreamSender.java
@@ -11,6 +11,7 @@ import android.util.Log;
 import com.google.android.gms.gcm.GoogleCloudMessaging;
 import com.google.ipc.invalidation.ticl.android2.channel.GcmUpstreamSenderService;
 
+import org.chromium.base.LeakCanaryUtil;
 import org.chromium.chrome.browser.signin.OAuth2TokenService;
 import org.chromium.sync.SyncConstants;
 import org.chromium.sync.signin.AccountManagerHelper;
@@ -31,6 +32,12 @@ public class InvalidationGcmUpstreamSender extends GcmUpstreamSenderService {
     private static final int GCM_PAYLOAD_LIMIT = 4000;
 
     @Override
+    public void onDestroy() {
+        super.onDestroy();
+        LeakCanaryUtil.watch(this);
+    }
+
+    @Override
     public void deliverMessage(final String to, final Bundle data) {
         @Nullable
         Account account = ChromeSigninController.get(this).getSignedInUser();