Address HandlerLeak lint warnings.

chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java

Index: chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java b/chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java
index 44ddeabd01cf46032143d55b7d83605bed6f492f..17dbf535fa9b3e7ab7dff674c6743f0cbc380180 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAServiceClient.java
@@ -9,7 +9,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.Bundle;
-import android.os.Handler;
 import android.os.IBinder;
 import android.os.Message;
 import android.os.Messenger;
@@ -18,6 +17,7 @@ import android.util.Log;
 
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.chrome.browser.ChromeApplication;
+import org.chromium.chrome.browser.TidyHandler;
 
 /**
  * A simple client that connects and talks to the GSAService using Messages.
@@ -39,7 +39,7 @@ public class GSAServiceClient {
     public static final String KEY_GSA_PACKAGE_NAME = "ssb_service:ssb_package_name";
 
     /** Messenger to handle incoming messages from the service */
-    private final Messenger mMessenger = new Messenger(new IncomingHandler());
+    private final Messenger mMessenger = new Messenger(new IncomingHandler(this));
     private final GSAServiceConnection mConnection;
     private final GSAHelper mGsaHelper;
     private Context mContext;
@@ -47,22 +47,27 @@ public class GSAServiceClient {
     /** Messenger for communicating with service. */
     private Messenger mService;
 
-
     /**
-     * Handler of incoming messages from service.
+     * Handler of incoming messages from a service.
      */
     @SuppressFBWarnings("BC_IMPOSSIBLE_CAST")
-    private class IncomingHandler extends Handler {
+    private static class IncomingHandler extends TidyHandler<GSAServiceClient> {
+
+        public IncomingHandler(GSAServiceClient instance) {
+            super(instance);
+        }
+
         @Override
-        public void handleMessage(Message msg) {
+        public void handleMessage(Message msg, GSAServiceClient instance) {
             if (msg.what == RESPONSE_UPDATE_SSB) {
-                if (mService == null) return;
+                if (instance.mService == null) return;
                 Bundle bundle = (Bundle) msg.obj;
-                String account =
-                        mGsaHelper.getGSAAccountFromState(bundle.getByteArray(KEY_GSA_STATE));
-                GSAState.getInstance(mContext.getApplicationContext()).setGsaAccount(account);
+                String account = instance.mGsaHelper
+                        .getGSAAccountFromState(bundle.getByteArray(KEY_GSA_STATE));
+                GSAState.getInstance(instance.mContext.getApplicationContext())
+                        .setGsaAccount(account);
             } else {
-                super.handleMessage(msg);
+                baseHandlerHandleMessage(msg);
             }
         }
     }