Make lint fail builds.

chrome/android/javatests/src/org/chromium/chrome/browser/NavigateTest.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser;
 
 import static org.chromium.base.test.util.Restriction.RESTRICTION_TYPE_TABLET;
 
 import android.test.suitebuilder.annotation.MediumTest;
 import android.test.suitebuilder.annotation.Smoke;
@@ skipping 17 matching lines @@
 import org.chromium.content.browser.test.util.CallbackHelper;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 import org.chromium.content.browser.test.util.DOMUtils;
 import org.chromium.content.browser.test.util.JavaScriptUtils;
 import org.chromium.content.browser.test.util.KeyUtils;
 import org.chromium.content.browser.test.util.UiUtils;
 import org.chromium.net.test.util.TestWebServer;
 
 import java.net.URLEncoder;
+import java.util.Locale;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * Navigate in UrlBar tests.
  */
@@ skipping 269 matching lines @@
         };
 
         for (String url : urls) {
             navigateAndObserve(url, url);
         }
 
         final int repeats = 3;
         for (int i = 0; i < repeats; i++) {
             singleClickView(getActivity().findViewById(R.id.back_button));
             UiUtils.settleDownUI(getInstrumentation());
-            assertEquals(String.format(
+            assertEquals(String.format(Locale.US,
                     "URL mismatch after pressing back button for the 1st time in repetition %d.",
                     i), urls[1], getActivity().getActivityTab().getUrl());
 
             singleClickView(getActivity().findViewById(R.id.back_button));
             UiUtils.settleDownUI(getInstrumentation());
-            assertEquals(String.format(
+            assertEquals(String.format(Locale.US,
                     "URL mismatch after pressing back button for the 2nd time in repetition %d.",
                     i), urls[0], getActivity().getActivityTab().getUrl());
 
             singleClickView(getActivity().findViewById(R.id.forward_button));
             UiUtils.settleDownUI(getInstrumentation());
-            assertEquals(String.format(
+            assertEquals(String.format(Locale.US,
                     "URL mismatch after pressing fwd button for the 1st time in repetition %d.", i),
                     urls[1], getActivity().getActivityTab().getUrl());
 
             singleClickView(getActivity().findViewById(R.id.forward_button));
             UiUtils.settleDownUI(getInstrumentation());
-            assertEquals(String.format(
+            assertEquals(String.format(Locale.US,
                     "URL mismatch after pressing fwd button for the 2nd time in repetition %d.", i),
                     urls[2], getActivity().getActivityTab().getUrl());
         }
     }
 
     @MediumTest
     @Feature({"Navigation"})
     public void testWindowOpenUrlSpoof() throws Exception {
         TestWebServer webServer = TestWebServer.start();
         try {
@@ skipping 90 matching lines @@
             assert false : "Unexpected TimeoutException";
         }
         return null;
     }
 
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityFromLauncher();
     }
 }