Fix touch accessibility events in WebViews and iframes

content/browser/accessibility/accessibility_test_utils.h

+// Copyright 2016 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.
+
+#ifndef CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_
+#define CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_
+
+#include <string>
+
+namespace content {
+
+class BrowserAccessibility;
+class WebContents;
+
+// Search recursively through the accessibility tree rooted at |node|
+// and return true if any descendant (including in child frames) has
+// a name (ui::AX_ATTR_NAME) that matches |name| exactly.
+bool AccessibilityTreeContainsNodeWithName(BrowserAccessibility* node,
+                                           const std::string& name);
+
+// This is intended to be a robust way to assert that the accessibility
+// tree eventually gets into the correct state, without worrying about
+// the exact ordering of events received while getting there.
+//
+// Searches the accessibility tree to see if any node's accessible name
+// is equal to the given name. If not, sets up a notification waiter
+// that listens for any accessibility event in any frame, and checks again
+// after each event. Keeps looping until the text is found (or the
+// test times out).
+void WaitForAccessibilityTreeToContainNodeWithName(WebContents* web_contents,
+                                                   const std::string& name);
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_TEST_UTILS_H_