JavascriptAppModalDialog tests and necessary infrastructure.

chrome/android/javatests/src/org/chromium/chrome/browser/test/util/TabBaseUtils.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/test/util/TabBaseUtils.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/test/util/TabBaseUtils.java b/chrome/android/javatests/src/org/chromium/chrome/browser/test/util/TabBaseUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..8c7358d1a3516e934063d2f71054d130bae47625
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/test/util/TabBaseUtils.java
@@ -0,0 +1,69 @@
+// Copyright (c) 2013 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.chrome.browser.test.util;
+
+import org.chromium.chrome.browser.TabBase;
+import org.chromium.chrome.browser.TabObserver;
+import org.chromium.content.browser.test.util.CallbackHelper;
+import org.chromium.content.browser.test.util.TestCallbackHelperContainer;
+import org.chromium.content.browser.test.util.TestContentViewClient;
+import org.chromium.content.browser.test.util.TestContentViewClientWrapper;
+import org.chromium.content.browser.test.util.TestWebContentsObserver;
+import org.chromium.content.browser.ContentViewClient;
+
+/**
+ * A utility class that contains methods generic to all Tabs tests.
+ */
+public class TabBaseUtils {
+    private final static String TAG = TabBaseUtils.class.getSimpleName();
+
+    private static TestContentViewClient createTestContentViewClientForTab(TabBase tab) {
+        ContentViewClient client = tab.getContentView().getContentViewClient();
+        if (client instanceof TestContentViewClient) return (TestContentViewClient) client;
+
+        TestContentViewClient testClient = new TestContentViewClientWrapper(client);
+        tab.getContentView().setContentViewClient(testClient);
+        return testClient;
+    }
+
+    public static class TestCallbackHelperContainerForTab
+            extends TestCallbackHelperContainer implements TabObserver {
+        private OnCloseTabHelper mOnCloseTabHelper;
+        public TestCallbackHelperContainerForTab(TabBase tab) {
+            super(createTestContentViewClientForTab(tab),
+                    new TestWebContentsObserver(tab.getContentView().getContentViewCore()));
+            mOnCloseTabHelper = new OnCloseTabHelper();
+            tab.addObserver(this);
+        }
+
+        public static class OnCloseTabHelper extends CallbackHelper {
+        }
+
+        public OnCloseTabHelper getOnCloseTabHelper() {
+            return mOnCloseTabHelper;
+        }
+
+        @Override
+        public void onLoadProgressChanged(TabBase tab, int progress) {
+        }
+
+        @Override
+        public void onUpdateUrl(TabBase tab, String url) {
+        }
+
+        @Override
+        public void onCloseTab(TabBase tab) {
+            mOnCloseTabHelper.notifyCalled();
+        }
+    }
+
+    /**
+     * Creates, binds and returns a TestCallbackHelperContainer for a given Tab.
+     */
+    public static TestCallbackHelperContainerForTab getTestCallbackHelperContainer(
+            final TabBase tab) {
+        return tab == null ? null : new TestCallbackHelperContainerForTab(tab);
+    }
+}