Create AwJUnit4ClassRunner AwActivityTestRule and convert AwContentsTest

android_webview/javatests/src/org/chromium/android_webview/test/LoadUrlTest.java

 // Copyright 2012 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.android_webview.test;
 
 import android.support.test.filters.SmallTest;
 import android.util.Pair;
 
 import org.json.JSONArray;
@@ skipping 270 matching lines @@
                 mTestServer.getURL("/echoheader?" + extraHeaders[0] + "&" + extraHeaders[2]);
         final String initialUrl =
                 mTestServer.getURL("/click-redirect?url=" + encodeUrl(redirectedUrl)
                         + "&header=" + extraHeaders[0] + "&header=" + extraHeaders[2]);
 
         loadUrlWithExtraHeadersSync(awContents, contentsClient.getOnPageFinishedHelper(),
                 initialUrl, createHeadersMap(extraHeaders));
         validateHeadersValue(awContents, contentsClient, extraHeaders, true);
 
         int currentCallCount = contentsClient.getOnPageFinishedHelper().getCallCount();
-        JSUtils.clickOnLinkUsingJs(
-                this, awContents, contentsClient.getOnEvaluateJavaScriptResultHelper(), "click");
+        JSUtils.clickOnLinkUsingJs(getInstrumentation(), awContents,
+                contentsClient.getOnEvaluateJavaScriptResultHelper(), "click");
         contentsClient.getOnPageFinishedHelper().waitForCallback(
                 currentCallCount, 1, WAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS);
         // No extra headers for the page navigated via clicking.
         validateHeadersValue(awContents, contentsClient, extraHeaders, false);
 
         HistoryUtils.goBackSync(getInstrumentation(), awContents.getWebContents(),
                 contentsClient.getOnPageFinishedHelper());
         validateHeadersValue(awContents, contentsClient, extraHeaders, true);
     }
 
@@ skipping 102 matching lines @@
                     webServer.setResponse("/page.html", CommonResources.ABOUT_HTML, null);
             onReceivedTitleCallCount = onReceivedTitleHelper.getCallCount();
             loadUrlSync(awContents, contentsClient.getOnPageFinishedHelper(), url);
             onReceivedTitleHelper.waitForCallback(onReceivedTitleCallCount);
             assertEquals(CommonResources.ABOUT_TITLE, onReceivedTitleHelper.getTitle());
         } finally {
             webServer.shutdown();
         }
     }
 }