Create AwJUnit4ClassRunner AwActivityTestRule and convert AwContentsTest

android_webview/javatests/src/org/chromium/android_webview/test/ClientOnPageFinishedTest.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.MediumTest;
 
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.test.util.CommonResources;
@@ skipping 246 matching lines @@
             if (useBaseUrl) {
                 loadDataWithBaseUrlSync(mAwContents, onPageFinishedHelper,
                         testHtml, "text/html", false, webServer.getBaseUrl(), null);
             } else {
                 loadUrlSync(mAwContents, onPageFinishedHelper, testUrl);
             }
 
             int onPageFinishedCallCount = onPageFinishedHelper.getCallCount();
             int onPageStartedCallCount = onPageStartedHelper.getCallCount();
 
-            JSUtils.clickOnLinkUsingJs(this, mAwContents,
+            JSUtils.clickOnLinkUsingJs(getInstrumentation(), mAwContents,
                     mContentsClient.getOnEvaluateJavaScriptResultHelper(), "link");
 
             onPageFinishedHelper.waitForCallback(onPageFinishedCallCount);
             assertEquals(onPageStartedCallCount, onPageStartedHelper.getCallCount());
 
             onPageFinishedCallCount = onPageFinishedHelper.getCallCount();
             onPageStartedCallCount = onPageStartedHelper.getCallCount();
 
             executeJavaScriptAndWaitForResult(mAwContents, mContentsClient,
                     "window.history.go(-1)");
@@ skipping 256 matching lines @@
             // Our load isn't done since we haven't loaded the image - now cancel the load.
             stopLoading(mAwContents);
             onPageFinishedHelper.waitForCallback(0);
             assertEquals(1, onPageFinishedHelper.getCallCount());
         } finally {
             testDoneLatch.countDown();
             webServer.shutdown();
         }
     }
 }