Create AwJUnit4ClassRunner AwActivityTestRule and convert AwContentsTest

android_webview/javatests/src/org/chromium/android_webview/test/AwTestBase.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 static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
 
 import android.app.Instrumentation;
 import android.content.Context;
 import android.os.Build;
-import android.util.AndroidRuntimeException;
-import android.util.Log;
 import android.view.ViewGroup;
 
 import org.chromium.android_webview.AwBrowserContext;
-import org.chromium.android_webview.AwBrowserProcess;
 import org.chromium.android_webview.AwContents;
 import org.chromium.android_webview.AwContents.DependencyFactory;
 import org.chromium.android_webview.AwContents.InternalAccessDelegate;
 import org.chromium.android_webview.AwContents.NativeDrawGLFunctorFactory;
 import org.chromium.android_webview.AwContentsClient;
 import org.chromium.android_webview.AwSettings;
 import org.chromium.android_webview.AwSwitches;
-import org.chromium.android_webview.test.util.GraphicsTestUtils;
-import org.chromium.android_webview.test.util.JSUtils;
-import org.chromium.base.ThreadUtils;
+import org.chromium.android_webview.test.AwTestCommon.AwTestCommonCallback;
+import org.chromium.base.Log;
 import org.chromium.base.test.BaseActivityInstrumentationTestCase;
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.InMemorySharedPreferences;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.base.test.util.parameter.CommandLineParameter;
-import org.chromium.content.browser.test.util.Criteria;
-import org.chromium.content.browser.test.util.CriteriaHelper;
-import org.chromium.content.browser.test.util.TestCallbackHelperContainer.OnPageFinishedHelper;
-import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.net.test.util.TestWebServer;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.AnnotatedElement;
 import java.lang.reflect.Method;
 import java.util.Map;
 import java.util.concurrent.Callable;
-import java.util.concurrent.FutureTask;
-import java.util.concurrent.TimeUnit;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 /**
- * A base class for android_webview tests. WebView only runs on KitKat and later,
- * so make sure no one attempts to run the tests on earlier OS releases.
- *
- * By default, all tests run both in single-process mode, and with sandboxed renderer.
- * If a test doesn't yet work with sandboxed renderer, an entire class, or an individual test
- * method can be marked for single-process testing only by adding the following annotation:
- *
- * @SkipCommandLineParameterization
+ * A base class for android_webview tests. WebView only runs on KitKat and
+ * later, so make sure no one attempts to run the tests on earlier OS releases.
+ * By default, all tests run both in single-process mode, and with sandboxed
+ * renderer. If a test doesn't yet work with sandboxed renderer, an entire
+ * class, or an individual test method can be marked for single-process testing
+ * only by adding @SkipCommandLineParameterization to the test
  */
 @MinAndroidSdkLevel(Build.VERSION_CODES.KITKAT)
 @CommandLineParameter({"", AwSwitches.WEBVIEW_SANDBOXED_RENDERER})
-public class AwTestBase extends BaseActivityInstrumentationTestCase<AwTestRunnerActivity> {
+public class AwTestBase extends BaseActivityInstrumentationTestCase<AwTestRunnerActivity>
+        implements AwTestCommonCallback {
+    private static final String TAG = "AwTestBase";
+
     public static final long WAIT_TIMEOUT_MS = scaleTimeout(15000);
+
     public static final int CHECK_INTERVAL = 100;
-    private static final String TAG = "AwTestBase";
-    private static final Pattern MAYBE_QUOTED_STRING = Pattern.compile("^(\"?)(.*)\\1$");
 
-    // The browser context needs to be a process-wide singleton.
-    private AwBrowserContext mBrowserContext;
+    private final AwTestCommon mTestCommon;
 
     public AwTestBase() {
         super(AwTestRunnerActivity.class);
+        mTestCommon = new AwTestCommon(this);
     }
 
     @Override
     protected void setUp() throws Exception {
-        if (needsAwBrowserContextCreated()) {
-            createAwBrowserContext();
-        }
-
-        super.setUp();
-        if (needsBrowserProcessStarted()) {
-            startBrowserProcess();
-        }
+        mTestCommon.setUp();
     }
 
     protected void createAwBrowserContext() {
-        if (mBrowserContext != null) {
-            throw new AndroidRuntimeException("There should only be one browser context.");
-        }
-        getActivity(); // The Activity must be launched in order to load native code
-        final InMemorySharedPreferences prefs = new InMemorySharedPreferences();
-        final Context appContext = getInstrumentation().getTargetContext().getApplicationContext();
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                mBrowserContext = createAwBrowserContextOnUiThread(prefs, appContext);
-            }
-        });
+        mTestCommon.createAwBrowserContext();
     }
 
     protected AwBrowserContext createAwBrowserContextOnUiThread(
             InMemorySharedPreferences prefs, Context appContext) {
-        return new AwBrowserContext(prefs, appContext);
+        return mTestCommon.createAwBrowserContextOnUiThread(prefs, appContext);
     }
 
     protected void startBrowserProcess() throws Exception {
-        // The Activity must be launched in order for proper webview statics to be setup.
-        getActivity();
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                AwBrowserProcess.start();
-            }
-        });
+        mTestCommon.startBrowserProcess();
     }
 
     /**
-     * Override this to return false if the test doesn't want to create an AwBrowserContext
-     * automatically.
+     * Override this to return false if the test doesn't want to create an
+     * AwBrowserContext automatically.
      */
     protected boolean needsAwBrowserContextCreated() {
-        return true;
+        return mTestCommon.needsAwBrowserContextCreated();
     }
 
     /**
-     * Override this to return false if the test doesn't want the browser startup sequence to
-     * be run automatically.
-     * @return Whether the instrumentation test requires the browser process to already be started.
+     * Override this to return false if the test doesn't want the browser
+     * startup sequence to be run automatically.
+     *
+     * @return Whether the instrumentation test requires the browser process to
+     *         already be started.
      */
     protected boolean needsBrowserProcessStarted() {
-        return true;
+        return mTestCommon.needsBrowserProcessStarted();
     }
 
     /**
      * Runs a {@link Callable} on the main thread, blocking until it is
      * complete, and returns the result. Calls
      * {@link Instrumentation#waitForIdleSync()} first to help avoid certain
      * race conditions.
      *
      * @param <R> Type of result to return
      */
     public <R> R runTestOnUiThreadAndGetResult(Callable<R> callable)
             throws Exception {
-        FutureTask<R> task = new FutureTask<R>(callable);
-        getInstrumentation().runOnMainSync(task);
-        return task.get();
+        return mTestCommon.runTestOnUiThreadAndGetResult(callable);
     }
 
     public void enableJavaScriptOnUiThread(final AwContents awContents) {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.getSettings().setJavaScriptEnabled(true);
-            }
-        });
+        mTestCommon.enableJavaScriptOnUiThread(awContents);
     }
 
     public void setNetworkAvailableOnUiThread(final AwContents awContents,
             final boolean networkUp) {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.setNetworkAvailable(networkUp);
-            }
-        });
+        mTestCommon.setNetworkAvailableOnUiThread(awContents, networkUp);
     }
 
     /**
      * Loads url on the UI thread and blocks until onPageFinished is called.
      */
     public void loadUrlSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper,
             final String url) throws Exception {
-        loadUrlSync(awContents, onPageFinishedHelper, url, null);
+        mTestCommon.loadUrlSync(awContents, onPageFinishedHelper, url);
     }
 
     public void loadUrlSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper,
             final String url,
             final Map<String, String> extraHeaders) throws Exception {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        loadUrlAsync(awContents, url, extraHeaders);
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.loadUrlSync(awContents, onPageFinishedHelper, url, extraHeaders);
     }
 
     public void loadUrlSyncAndExpectError(final AwContents awContents,
             CallbackHelper onPageFinishedHelper,
             CallbackHelper onReceivedErrorHelper,
             final String url) throws Exception {
-        int onErrorCallCount = onReceivedErrorHelper.getCallCount();
-        int onFinishedCallCount = onPageFinishedHelper.getCallCount();
-        loadUrlAsync(awContents, url);
-        onReceivedErrorHelper.waitForCallback(onErrorCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
-        onPageFinishedHelper.waitForCallback(onFinishedCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.loadUrlSyncAndExpectError(
+                awContents, onPageFinishedHelper, onReceivedErrorHelper, url);
     }
 
     /**
      * Loads url on the UI thread but does not block.
      */
     public void loadUrlAsync(final AwContents awContents,
             final String url) throws Exception {
-        loadUrlAsync(awContents, url, null);
+        mTestCommon.loadUrlAsync(awContents, url);
     }
 
     public void loadUrlAsync(final AwContents awContents,
             final String url,
             final Map<String, String> extraHeaders) {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.loadUrl(url, extraHeaders);
-            }
-        });
+        mTestCommon.loadUrlAsync(awContents, url, extraHeaders);
     }
 
     /**
      * Posts url on the UI thread and blocks until onPageFinished is called.
      */
     public void postUrlSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper, final String url,
             byte[] postData) throws Exception {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        postUrlAsync(awContents, url, postData);
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.postUrlSync(awContents, onPageFinishedHelper, url, postData);
     }
 
     /**
      * Loads url on the UI thread but does not block.
      */
     public void postUrlAsync(final AwContents awContents,
             final String url, byte[] postData) throws Exception {
-        class PostUrl implements Runnable {
-            byte[] mPostData;
-            public PostUrl(byte[] postData) {
-                mPostData = postData;
-            }
-            @Override
-            public void run() {
-                awContents.postUrl(url, mPostData);
-            }
-        }
-        getInstrumentation().runOnMainSync(new PostUrl(postData));
+        mTestCommon.postUrlAsync(awContents, url, postData);
     }
 
     /**
      * Loads data on the UI thread and blocks until onPageFinished is called.
      */
     public void loadDataSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper,
             final String data, final String mimeType,
             final boolean isBase64Encoded) throws Exception {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        loadDataAsync(awContents, data, mimeType, isBase64Encoded);
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.loadDataSync(awContents, onPageFinishedHelper, data, mimeType, isBase64Encoded);
     }
 
     public void loadDataSyncWithCharset(final AwContents awContents,
             CallbackHelper onPageFinishedHelper,
             final String data, final String mimeType,
             final boolean isBase64Encoded, final String charset)
             throws Exception {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.loadUrl(LoadUrlParams.createLoadDataParams(
-                        data, mimeType, isBase64Encoded, charset));
-            }
-        });
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.loadDataSyncWithCharset(
+                awContents, onPageFinishedHelper, data, mimeType, isBase64Encoded, charset);
     }
 
     /**
      * Loads data on the UI thread but does not block.
      */
     public void loadDataAsync(final AwContents awContents, final String data,
             final String mimeType, final boolean isBase64Encoded)
             throws Exception {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.loadData(data, mimeType, isBase64Encoded ? "base64" : null);
-            }
-        });
+        mTestCommon.loadDataAsync(awContents, data, mimeType, isBase64Encoded);
     }
 
     public void loadDataWithBaseUrlSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper, final String data, final String mimeType,
             final boolean isBase64Encoded, final String baseUrl,
             final String historyUrl) throws Throwable {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        loadDataWithBaseUrlAsync(awContents, data, mimeType, isBase64Encoded, baseUrl, historyUrl);
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.loadDataWithBaseUrlSync(awContents, onPageFinishedHelper, data, mimeType,
+                isBase64Encoded, baseUrl, historyUrl);
     }
 
     public void loadDataWithBaseUrlAsync(final AwContents awContents,
             final String data, final String mimeType, final boolean isBase64Encoded,
             final String baseUrl, final String historyUrl) throws Throwable {
-        runTestOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                awContents.loadDataWithBaseURL(
-                        baseUrl, data, mimeType, isBase64Encoded ? "base64" : null, historyUrl);
-            }
-        });
+        mTestCommon.loadDataWithBaseUrlAsync(
+                awContents, data, mimeType, isBase64Encoded, baseUrl, historyUrl);
     }
 
     /**
      * Reloads the current page synchronously.
      */
     public void reloadSync(final AwContents awContents,
             CallbackHelper onPageFinishedHelper) throws Exception {
-        int currentCallCount = onPageFinishedHelper.getCallCount();
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.getNavigationController().reload(true);
-            }
-        });
-        onPageFinishedHelper.waitForCallback(currentCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
+        mTestCommon.reloadSync(awContents, onPageFinishedHelper);
     }
 
     /**
      * Stops loading on the UI thread.
      */
     public void stopLoading(final AwContents awContents) {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.stopLoading();
-            }
-        });
+        mTestCommon.stopLoading(awContents);
     }
 
     public void waitForVisualStateCallback(final AwContents awContents) throws Exception {
-        final CallbackHelper ch = new CallbackHelper();
-        final int chCount = ch.getCallCount();
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                final long requestId = 666;
-                awContents.insertVisualStateCallback(requestId,
-                        new AwContents.VisualStateCallback() {
-                            @Override
-                            public void onComplete(long id) {
-                                assertEquals(requestId, id);
-                                ch.notifyCalled();
-                            }
-                        });
-            }
-        });
-        ch.waitForCallback(chCount);
+        mTestCommon.waitForVisualStateCallback(awContents);
     }
 
     public void insertVisualStateCallbackOnUIThread(final AwContents awContents,
             final long requestId, final AwContents.VisualStateCallback callback) {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.insertVisualStateCallback(requestId, callback);
-            }
-        });
+        mTestCommon.insertVisualStateCallbackOnUIThread(awContents, requestId, callback);
     }
 
-    // Waits for the pixel at the center of AwContents to color up into expectedColor.
-    // Note that this is a stricter condition that waiting for a visual state callback,
-    // as visual state callback only indicates that *something* has appeared in WebView.
+    // Waits for the pixel at the center of AwContents to color up into
+    // expectedColor.
+    // Note that this is a stricter condition that waiting for a visual state
+    // callback,
+    // as visual state callback only indicates that *something* has appeared in
+    // WebView.
     public void waitForPixelColorAtCenterOfView(final AwContents awContents,
             final AwTestContainerView testContainerView, final int expectedColor) throws Exception {
-        pollUiThread(new Callable<Boolean>() {
-            @Override
-            public Boolean call() throws Exception {
-                return GraphicsTestUtils.getPixelColorAtCenterOfView(awContents, testContainerView)
-                        == expectedColor;
-            }
-        });
-    }
-
-    /**
-     * Checks the current test has |clazz| annotation. Note this swallows NoSuchMethodException
-     * and returns false in that case.
-     */
-    private boolean testMethodHasAnnotation(Class<? extends Annotation> clazz) {
-        String testName = getName();
-        Method method = null;
-        try {
-            method = getClass().getMethod(testName);
-        } catch (NoSuchMethodException e) {
-            Log.w(TAG, "Test method name not found.", e);
-            return false;
-        }
-
-        // Cast to AnnotatedElement to work around a compilation failure.
-        // Method.isAnnotationPresent() was removed in Java 8 (which is used by the Android N SDK),
-        // so compilation with Java 7 fails. See crbug.com/608792.
-        return ((AnnotatedElement) method).isAnnotationPresent(clazz);
-    }
-
-    /**
-     * Factory class used in creation of test AwContents instances.
-     *
-     * Test cases can provide subclass instances to the createAwTest* methods in order to create an
-     * AwContents instance with injected test dependencies.
-     */
-    public static class TestDependencyFactory extends AwContents.DependencyFactory {
-        public AwTestContainerView createAwTestContainerView(AwTestRunnerActivity activity,
-                boolean allowHardwareAcceleration) {
-            return new AwTestContainerView(activity, allowHardwareAcceleration);
-        }
-        public AwSettings createAwSettings(Context context, boolean supportsLegacyQuirks) {
-            return new AwSettings(context, false /* isAccessFromFileURLsGrantedByDefault */,
-                    supportsLegacyQuirks, false /* allowEmptyDocumentPersistence */,
-                    true /* allowGeolocationOnInsecureOrigins */,
-                    false /* doNotUpdateSelectionOnMutatingSelectionRange */);
-        }
-
-        public AwContents createAwContents(AwBrowserContext browserContext, ViewGroup containerView,
-                Context context, InternalAccessDelegate internalAccessAdapter,
-                NativeDrawGLFunctorFactory nativeDrawGLFunctorFactory,
-                AwContentsClient contentsClient, AwSettings settings,
-                DependencyFactory dependencyFactory) {
-            return new AwContents(browserContext, containerView, context, internalAccessAdapter,
-                    nativeDrawGLFunctorFactory, contentsClient, settings, dependencyFactory);
-        }
+        mTestCommon.waitForPixelColorAtCenterOfView(awContents, testContainerView, expectedColor);
     }
 
     protected TestDependencyFactory createTestDependencyFactory() {
-        return new TestDependencyFactory();
+        return mTestCommon.createTestDependencyFactory();
     }
 
     public AwTestContainerView createAwTestContainerView(
             final AwContentsClient awContentsClient) {
-        return createAwTestContainerView(awContentsClient, false, null);
+        return mTestCommon.createAwTestContainerView(awContentsClient);
     }
 
     public AwTestContainerView createAwTestContainerView(final AwContentsClient awContentsClient,
             boolean supportsLegacyQuirks, final TestDependencyFactory testDependencyFactory) {
-        AwTestContainerView testContainerView = createDetachedAwTestContainerView(
+        return mTestCommon.createAwTestContainerView(
                 awContentsClient, supportsLegacyQuirks, testDependencyFactory);
-        getActivity().addView(testContainerView);
-        testContainerView.requestFocus();
-        return testContainerView;
     }
 
     public AwBrowserContext getAwBrowserContext() {
-        return mBrowserContext;
+        return mTestCommon.getAwBrowserContext();
     }
 
     public AwTestContainerView createDetachedAwTestContainerView(
             final AwContentsClient awContentsClient) {
-        return createDetachedAwTestContainerView(awContentsClient, false, null);
+        return mTestCommon.createDetachedAwTestContainerView(awContentsClient);
     }
 
     public AwTestContainerView createDetachedAwTestContainerView(
             final AwContentsClient awContentsClient, boolean supportsLegacyQuirks,
             TestDependencyFactory testDependencyFactory) {
-        if (testDependencyFactory == null) {
-            testDependencyFactory = createTestDependencyFactory();
-        }
-        boolean allowHardwareAcceleration = isHardwareAcceleratedTest();
-        final AwTestContainerView testContainerView =
-                testDependencyFactory.createAwTestContainerView(
-                        getActivity(), allowHardwareAcceleration);
-
-        AwSettings awSettings =
-                testDependencyFactory.createAwSettings(getActivity(), supportsLegacyQuirks);
-        AwContents awContents = testDependencyFactory.createAwContents(mBrowserContext,
-                testContainerView, testContainerView.getContext(),
-                testContainerView.getInternalAccessDelegate(),
-                testContainerView.getNativeDrawGLFunctorFactory(), awContentsClient, awSettings,
-                testDependencyFactory);
-        testContainerView.initialize(awContents);
-        return testContainerView;
+        return mTestCommon.createDetachedAwTestContainerView(
+                awContentsClient, supportsLegacyQuirks, testDependencyFactory);
     }
 
     protected boolean isHardwareAcceleratedTest() {
-        return !testMethodHasAnnotation(DisableHardwareAccelerationForTest.class);
+        return mTestCommon.isHardwareAcceleratedTest();
     }
 
     public AwTestContainerView createAwTestContainerViewOnMainSync(
             final AwContentsClient client) throws Exception {
-        return createAwTestContainerViewOnMainSync(client, false, null);
+        return mTestCommon.createAwTestContainerViewOnMainSync(client);
     }
 
     public AwTestContainerView createAwTestContainerViewOnMainSync(
             final AwContentsClient client, final boolean supportsLegacyQuirks) {
-        return createAwTestContainerViewOnMainSync(client, supportsLegacyQuirks, null);
+        return mTestCommon.createAwTestContainerViewOnMainSync(client, supportsLegacyQuirks);
     }
 
     public AwTestContainerView createAwTestContainerViewOnMainSync(final AwContentsClient client,
             final boolean supportsLegacyQuirks, final TestDependencyFactory testDependencyFactory) {
-        return ThreadUtils.runOnUiThreadBlockingNoException(new Callable<AwTestContainerView>() {
-            @Override
-            public AwTestContainerView call() {
-                return createAwTestContainerView(
-                        client, supportsLegacyQuirks, testDependencyFactory);
-            }
-        });
+        return mTestCommon.createAwTestContainerViewOnMainSync(
+                client, supportsLegacyQuirks, testDependencyFactory);
     }
 
     public void destroyAwContentsOnMainSync(final AwContents awContents) {
-        if (awContents == null) return;
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.destroy();
-            }
-        });
+        mTestCommon.destroyAwContentsOnMainSync(awContents);
     }
 
     public String getTitleOnUiThread(final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<String>() {
-            @Override
-            public String call() throws Exception {
-                return awContents.getTitle();
-            }
-        });
+        return mTestCommon.getTitleOnUiThread(awContents);
     }
 
     public AwSettings getAwSettingsOnUiThread(
             final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<AwSettings>() {
-            @Override
-            public AwSettings call() throws Exception {
-                return awContents.getSettings();
-            }
-        });
+        return mTestCommon.getAwSettingsOnUiThread(awContents);
     }
 
     /**
-     * Verify double quotes in both sides of the raw string. Strip the double quotes and
-     * returns rest of the string.
+     * Verify double quotes in both sides of the raw string. Strip the double
+     * quotes and returns rest of the string.
      */
     protected String maybeStripDoubleQuotes(String raw) {
-        assertNotNull(raw);
-        Matcher m = MAYBE_QUOTED_STRING.matcher(raw);
-        assertTrue(m.matches());
-        return m.group(2);
+        return mTestCommon.maybeStripDoubleQuotes(raw);
     }
 
     /**
-     * Executes the given snippet of JavaScript code within the given ContentView. Returns the
-     * result of its execution in JSON format.
+     * Executes the given snippet of JavaScript code within the given
+     * ContentView. Returns the result of its execution in JSON format.
      */
     public String executeJavaScriptAndWaitForResult(final AwContents awContents,
             TestAwContentsClient viewClient, final String code) throws Exception {
-        return JSUtils.executeJavaScriptAndWaitForResult(this, awContents,
-                viewClient.getOnEvaluateJavaScriptResultHelper(),
-                code);
+        return mTestCommon.executeJavaScriptAndWaitForResult(awContents, viewClient, code);
     }
 
     /**
      * Executes JavaScript code within the given ContentView to get the text content in
      * document body. Returns the result string without double quotes.
      */
     protected String getJavaScriptResultBodyTextContent(
             final AwContents awContents, final TestAwContentsClient viewClient) throws Exception {
-        String raw = executeJavaScriptAndWaitForResult(
-                awContents, viewClient, "document.body.textContent");
-        return maybeStripDoubleQuotes(raw);
+        return mTestCommon.getJavaScriptResultBodyTextContent(awContents, viewClient);
     }
 
     /**
      * Wrapper around CriteriaHelper.pollInstrumentationThread. This uses AwTestBase-specifc
      * timeouts and treats timeouts and exceptions as test failures automatically.
      */
     public static void pollInstrumentationThread(final Callable<Boolean> callable)
             throws Exception {
-        CriteriaHelper.pollInstrumentationThread(new Criteria() {
-            @Override
-            public boolean isSatisfied() {
-                try {
-                    return callable.call();
-                } catch (Throwable e) {
-                    Log.e(TAG, "Exception while polling.", e);
-                    return false;
-                }
-            }
-        }, WAIT_TIMEOUT_MS, CHECK_INTERVAL);
+        AwTestCommon.pollInstrumentationThread(callable);
     }
 
     /**
-     * Wrapper around {@link AwTestBase#poll()} but runs the callable on the UI thread.
+     * Wrapper around {@link AwTestBase#poll()} but runs the callable on the UI
+     * thread.
      */
     public void pollUiThread(final Callable<Boolean> callable) throws Exception {
-        pollInstrumentationThread(new Callable<Boolean>() {
-            @Override
-            public Boolean call() throws Exception {
-                return runTestOnUiThreadAndGetResult(callable);
-            }
-        });
+        mTestCommon.pollUiThread(callable);
     }
 
     /**
-     * Clears the resource cache. Note that the cache is per-application, so this will clear the
-     * cache for all WebViews used.
+     * Clears the resource cache. Note that the cache is per-application, so
+     * this will clear the cache for all WebViews used.
      */
     public void clearCacheOnUiThread(
             final AwContents awContents,
             final boolean includeDiskFiles) throws Exception {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.clearCache(includeDiskFiles);
-            }
-        });
+        mTestCommon.clearCacheOnUiThread(awContents, includeDiskFiles);
     }
 
     /**
      * Returns pure page scale.
      */
     public float getScaleOnUiThread(final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<Float>() {
-            @Override
-            public Float call() throws Exception {
-                return awContents.getPageScaleFactor();
-            }
-        });
+        return mTestCommon.getScaleOnUiThread(awContents);
     }
 
     /**
      * Returns page scale multiplied by the screen density.
      */
     public float getPixelScaleOnUiThread(final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<Float>() {
-            @Override
-            public Float call() throws Exception {
-                return awContents.getScale();
-            }
-        });
+        return mTestCommon.getPixelScaleOnUiThread(awContents);
     }
 
     /**
      * Returns whether a user can zoom the page in.
      */
     public boolean canZoomInOnUiThread(final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<Boolean>() {
-            @Override
-            public Boolean call() throws Exception {
-                return awContents.canZoomIn();
-            }
-        });
+        return mTestCommon.canZoomInOnUiThread(awContents);
     }
 
     /**
      * Returns whether a user can zoom the page out.
      */
     public boolean canZoomOutOnUiThread(final AwContents awContents) throws Exception {
-        return runTestOnUiThreadAndGetResult(new Callable<Boolean>() {
-            @Override
-            public Boolean call() throws Exception {
-                return awContents.canZoomOut();
-            }
-        });
+        return mTestCommon.canZoomOutOnUiThread(awContents);
     }
 
     public void killRenderProcessOnUiThreadAsync(final AwContents awContents) throws Exception {
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                awContents.killRenderProcess();
-            }
-        });
+        mTestCommon.killRenderProcessOnUiThreadAsync(awContents);
     }
 
     /**
      * Loads the main html then triggers the popup window.
      */
     public void triggerPopup(final AwContents parentAwContents,
             TestAwContentsClient parentAwContentsClient, TestWebServer testWebServer,
             String mainHtml, String popupHtml, String popupPath, String triggerScript)
             throws Exception {
-        enableJavaScriptOnUiThread(parentAwContents);
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                parentAwContents.getSettings().setSupportMultipleWindows(true);
-                parentAwContents.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
-            }
-        });
-
-        final String parentUrl = testWebServer.setResponse("/popupParent.html", mainHtml, null);
-        if (popupHtml != null) {
-            testWebServer.setResponse(popupPath, popupHtml, null);
-        } else {
-            testWebServer.setResponseWithNoContentStatus(popupPath);
-        }
-
-        parentAwContentsClient.getOnCreateWindowHelper().setReturnValue(true);
-        loadUrlSync(parentAwContents, parentAwContentsClient.getOnPageFinishedHelper(), parentUrl);
-
-        TestAwContentsClient.OnCreateWindowHelper onCreateWindowHelper =
-                parentAwContentsClient.getOnCreateWindowHelper();
-        int currentCallCount = onCreateWindowHelper.getCallCount();
-        parentAwContents.evaluateJavaScriptForTests(triggerScript, null);
-        onCreateWindowHelper.waitForCallback(
-                currentCallCount, 1, WAIT_TIMEOUT_MS, TimeUnit.MILLISECONDS);
+        mTestCommon.triggerPopup(parentAwContents, parentAwContentsClient, testWebServer, mainHtml,
+                popupHtml, popupPath, triggerScript);
     }
 
     /**
+     * Supplies the popup window with AwContents then waits for the popup window
+     * to finish loading.
+     */
+    public PopupInfo connectPendingPopup(final AwContents parentAwContents) throws Exception {
+        return mTestCommon.connectPendingPopup(parentAwContents);
+    }
+
+    /**
+     * Factory class used in creation of test AwContents instances. Test cases
+     * can provide subclass instances to the createAwTest* methods in order to
+     * create an AwContents instance with injected test dependencies.
+     */
+    public static class TestDependencyFactory extends AwContents.DependencyFactory {
+        public AwTestContainerView createAwTestContainerView(
+                AwTestRunnerActivity activity, boolean allowHardwareAcceleration) {
+            return new AwTestContainerView(activity, allowHardwareAcceleration);
+        }
+
+        public AwSettings createAwSettings(Context context, boolean supportsLegacyQuirks) {
+            return new AwSettings(context, false /* isAccessFromFileURLsGrantedByDefault */,
+                    supportsLegacyQuirks, false /* allowEmptyDocumentPersistence */,
+                    true /* allowGeolocationOnInsecureOrigins */,
+                    false /* doNotUpdateSelectionOnMutatingSelectionRange */);
+        }
+
+        public AwContents createAwContents(AwBrowserContext browserContext, ViewGroup containerView,
+                Context context, InternalAccessDelegate internalAccessAdapter,
+                NativeDrawGLFunctorFactory nativeDrawGLFunctorFactory,
+                AwContentsClient contentsClient, AwSettings settings,
+                DependencyFactory dependencyFactory) {
+            return new AwContents(browserContext, containerView, context, internalAccessAdapter,
+                    nativeDrawGLFunctorFactory, contentsClient, settings, dependencyFactory);
+        }
+    }
+
+    /**
      * POD object for holding references to helper objects of a popup window.
      */
     public static class PopupInfo {
         public final TestAwContentsClient popupContentsClient;
         public final AwTestContainerView popupContainerView;
         public final AwContents popupContents;
+
         public PopupInfo(TestAwContentsClient popupContentsClient,
                 AwTestContainerView popupContainerView, AwContents popupContents) {
             this.popupContentsClient = popupContentsClient;
             this.popupContainerView = popupContainerView;
             this.popupContents = popupContents;
         }
     }
 
     /**
-     * Supplies the popup window with AwContents then waits for the popup window to finish loading.
+     * Checks the current test has |clazz| annotation. Note this swallows
+     * NoSuchMethodException and returns false in that case.
      */
-    public PopupInfo connectPendingPopup(final AwContents parentAwContents) throws Exception {
-        TestAwContentsClient popupContentsClient;
-        AwTestContainerView popupContainerView;
-        final AwContents popupContents;
-        popupContentsClient = new TestAwContentsClient();
-        popupContainerView = createAwTestContainerViewOnMainSync(popupContentsClient);
-        popupContents = popupContainerView.getAwContents();
-        enableJavaScriptOnUiThread(popupContents);
+    @Override
+    public boolean testMethodHasAnnotation(Class<? extends Annotation> clazz) {
+        String testName = getName();
+        Method method = null;
+        try {
+            method = getClass().getMethod(testName);
+        } catch (NoSuchMethodException e) {
+            Log.w(TAG, "Test method name not found.", e);
+            return false;
+        }
 
-        getInstrumentation().runOnMainSync(new Runnable() {
-            @Override
-            public void run() {
-                parentAwContents.supplyContentsForPopup(popupContents);
-            }
-        });
+        // Cast to AnnotatedElement to work around a compilation failure.
+        // Method.isAnnotationPresent() was removed in Java 8 (which is used by
+        // the Android N SDK),
+        // so compilation with Java 7 fails. See crbug.com/608792.
+        return ((AnnotatedElement) method).isAnnotationPresent(clazz);
+    }
 
-        OnPageFinishedHelper onPageFinishedHelper = popupContentsClient.getOnPageFinishedHelper();
-        int finishCallCount = onPageFinishedHelper.getCallCount();
-        TestAwContentsClient.OnReceivedTitleHelper onReceivedTitleHelper =
-                popupContentsClient.getOnReceivedTitleHelper();
-        int titleCallCount = onReceivedTitleHelper.getCallCount();
-
-        onPageFinishedHelper.waitForCallback(finishCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
-        onReceivedTitleHelper.waitForCallback(titleCallCount, 1, WAIT_TIMEOUT_MS,
-                TimeUnit.MILLISECONDS);
-
-        return new PopupInfo(popupContentsClient, popupContainerView, popupContents);
+    @Override
+    public void runOnUiThread(Runnable runnable) {
+        getInstrumentation().runOnMainSync(runnable);
     }
 }