Add CommandLineArgumentParameter and use it for WebView tests

android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientOnScaleChangedTest.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.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.test.util.CommonResources;
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.util.parameter.ParameterizedTest;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
 /**
  * Tests for the WebViewClient.onScaleChanged.
  */
+// Run in single-process mode only. Blocked by rendering support crbug.com/526842.
+@ParameterizedTest.Set
 public class AwContentsClientOnScaleChangedTest extends AwTestBase {
     private TestAwContentsClient mContentsClient;
     private AwContents mAwContents;
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         mContentsClient = new TestAwContentsClient();
         AwTestContainerView testContainerView =
                 createAwTestContainerViewOnMainSync(mContentsClient);
@@ skipping 20 matching lines @@
             @Override
             public void run() {
                 assertTrue(mAwContents.zoomIn());
             }
         });
         mContentsClient.getOnScaleChangedHelper().waitForCallback(callCount);
         assertTrue("Scale ratio:" + mContentsClient.getOnScaleChangedHelper().getLastScaleRatio(),
                 mContentsClient.getOnScaleChangedHelper().getLastScaleRatio() > 1);
     }
 }