Add TestRules for content shell test and refactor test bases

content/public/android/javatests/src/org/chromium/content/browser/ContentDetectionActivityTestRule.java

Index: content/public/android/javatests/src/org/chromium/content/browser/ContentDetectionActivityTestRule.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/ContentDetectionActivityTestRule.java b/content/public/android/javatests/src/org/chromium/content/browser/ContentDetectionActivityTestRule.java
new file mode 100644
index 0000000000000000000000000000000000000000..53dc3060971be2f8c6e8250f286d205e00b0e8d8
--- /dev/null
+++ b/content/public/android/javatests/src/org/chromium/content/browser/ContentDetectionActivityTestRule.java
@@ -0,0 +1,75 @@
+// Copyright 2017 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.content.browser;
+
+import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
+
+import org.chromium.content.browser.test.util.TestCallbackHelperContainer;
+import org.chromium.content_shell_apk.ContentShellActivityTestRule;
+
+/**
+ * ActivityTestRule for content detection test suites.
+ */
+public class ContentDetectionActivityTestRule extends ContentShellActivityTestRule {
+    private static final long WAIT_TIMEOUT_SECONDS = scaleTimeout(10);
+
+    private final ContentDetectionTestCommon mTestCommon = new ContentDetectionTestCommon(this);
+
+    /**
+     * Returns the TestCallbackHelperContainer associated with this ContentView,
+     * or creates it lazily.
+     */
+    public TestCallbackHelperContainer getTestCallbackHelperContainer() {
+        return mTestCommon.getTestCallbackHelperContainer();
+    }
+
+    @Override
+    protected void beforeActivityLaunched() {
+        super.beforeActivityLaunched();
+        mTestCommon.createTestContentIntentHandler();
+    }
+
+    @Override
+    protected void afterActivityLaunched() {
+        super.afterActivityLaunched();
+        mTestCommon.setContentHandler();
+    }
+
+    /**
+     * Encodes the provided content string into an escaped url as intents do.
+     * @param content Content to escape into a url.
+     * @return Escaped url.
+     */
+    public static String urlForContent(String content) {
+        return ContentDetectionTestCommon.urlForContent(content);
+    }
+
+    /**
+     * Checks if the provided test url is the current url in the content view.
+     * @param testUrl Test url to check.
+     * @return true if the test url is the current one, false otherwise.
+     */
+    public boolean isCurrentTestUrl(String testUrl) {
+        return mTestCommon.isCurrentTestUrl(testUrl);
+    }
+
+    /**
+     * Scrolls to the node with the provided id, taps on it and waits for an intent to come.
+     * @param id Id of the node to scroll and tap.
+     * @return The content url of the received intent or null if none.
+     */
+    public String scrollAndTapExpectingIntent(String id) throws Throwable {
+        return mTestCommon.scrollAndTapExpectingIntent(id);
+    }
+
+    /**
+     * Scrolls to the node with the provided id, taps on it and waits for a new page load to finish.
+     * Useful when tapping on links that take to other pages.
+     * @param id Id of the node to scroll and tap.
+     */
+    public void scrollAndTapNavigatingOut(String id) throws Throwable {
+        mTestCommon.scrollAndTapNavigatingOut(id);
+    }
+}