Refactor content/ to use ui::AXNodeData instead of blink.

content/test/accessibility_browser_test_utils.h

 // Copyright 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.
 
 #ifndef CONTENT_TEST_ACCESSIBILITY_BROWSER_TEST_UTILS_H_
 #define CONTENT_TEST_ACCESSIBILITY_BROWSER_TEST_UTILS_H_
 
 #include "base/memory/weak_ptr.h"
-#include "content/common/accessibility_node_data.h"
 #include "content/common/view_message_enums.h"
+#include "ui/accessibility/ax_node_data.h"
+#include "ui/accessibility/ax_tree.h"
 
 namespace content {
 
 class MessageLoopRunner;
 class RenderViewHostImpl;
 class Shell;
 
 // Create an instance of this class *before* doing any operation that
 // might generate an accessibility event (like a page navigation or
 // clicking on a button). Then call WaitForNotification
 // afterwards to block until the specified accessibility notification has been
 // received.
 class AccessibilityNotificationWaiter {
  public:
   AccessibilityNotificationWaiter(
       Shell* shell,
       AccessibilityMode accessibility_mode,
-      blink::WebAXEvent event);
+      ui::AXEvent event);
   ~AccessibilityNotificationWaiter();
 
   // Blocks until the specific accessibility notification registered in
   // AccessibilityNotificationWaiter is received. Ignores notifications for
   // "about:blank".
   void WaitForNotification();
 
   // After WaitForNotification has returned, this will retrieve
   // the tree of accessibility nodes received from the renderer process.
-  const AccessibilityNodeDataTreeNode& GetAccessibilityNodeDataTree() const;
+  const ui::AXTree& GetAXTree() const;
 
  private:
   // Callback from RenderViewHostImpl.
-  void OnAccessibilityEvent(blink::WebAXEvent event);
+  void OnAccessibilityEvent(ui::AXEvent event);
 
   // Helper function to determine if the accessibility tree in
-  // GetAccessibilityNodeDataTree() is about the page with the url
-  // "about:blank".
+  // GetAXTree() is about the page with the url "about:blank".
   bool IsAboutBlank();
 
   Shell* shell_;
   RenderViewHostImpl* view_host_;
-  blink::WebAXEvent event_to_wait_for_;
+  ui::AXEvent event_to_wait_for_;
   scoped_refptr<MessageLoopRunner> loop_runner_;
   base::WeakPtrFactory<AccessibilityNotificationWaiter> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityNotificationWaiter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_ACCESSIBILITY_BROWSER_TEST_UTILS_H_