Address HandlerLeak lint warnings.

chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java
index fcbe1c0562e5bca573a81a4f209d0d449eb721be..0b602c840f51900de7cd385171f2556d8ebcc04e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelper.java
@@ -8,7 +8,6 @@ import static org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.Ani
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.os.Handler;
 import android.os.Message;
 import android.os.SystemClock;
 import android.support.annotation.StringRes;
@@ -25,6 +24,7 @@ import org.chromium.base.PerfTraceEvent;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.TidyHandler;
 import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation;
 import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.Animatable;
 import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.Animation;
@@ -109,7 +109,7 @@ public class StripLayoutHelper {
     private StripLayoutTab[] mStripTabs = new StripLayoutTab[0];
     private StripLayoutTab[] mStripTabsVisuallyOrdered = new StripLayoutTab[0];
     private StripLayoutTab[] mStripTabsToRender = new StripLayoutTab[0];
-    private final StripTabEventHandler mStripTabEventHandler = new StripTabEventHandler();
+    private final StripTabEventHandler mStripTabEventHandler = new StripTabEventHandler(this);
     private final TabLoadTrackerCallback mTabLoadTrackerHost = new TabLoadTrackerCallbackImpl();
     private ChromeAnimation<Animatable<?>> mLayoutAnimations;
 
@@ -1506,16 +1506,21 @@ public class StripLayoutHelper {
         }
     }
 
-    private class StripTabEventHandler extends Handler {
+    private static class StripTabEventHandler extends TidyHandler<StripLayoutHelper> {
+
+        public StripTabEventHandler(StripLayoutHelper instance) {
+            super(instance);
+        }
+
         @Override
-        public void handleMessage(Message m) {
+        public void handleMessage(Message m, StripLayoutHelper instance) {
             switch (m.what) {
                 case MESSAGE_RESIZE:
-                    computeAndUpdateTabWidth(true);
-                    mUpdateHost.requestUpdate();
+                    instance.computeAndUpdateTabWidth(true);
+                    instance.mUpdateHost.requestUpdate();
                     break;
                 case MESSAGE_UPDATE_SPINNER:
-                    mUpdateHost.requestUpdate();
+                    instance.mUpdateHost.requestUpdate();
                     break;
                 default:
                     assert false : "StripTabEventHandler got unknown message " + m.what;