Revert of Refactor content/renderer/accessibility to use AXTreeSerializer.

content/renderer/accessibility/blink_ax_tree_source.h

Index: content/renderer/accessibility/blink_ax_tree_source.h
diff --git a/content/renderer/accessibility/blink_ax_tree_source.h b/content/renderer/accessibility/blink_ax_tree_source.h
deleted file mode 100644
index 9754229fc3b38d5af95b1f14f2ce441dc5e6b850..0000000000000000000000000000000000000000
--- a/content/renderer/accessibility/blink_ax_tree_source.h
+++ /dev/null
@@ -1,46 +0,0 @@
-// Copyright (c) 2014 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_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_
-#define CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_
-
-#include "third_party/WebKit/public/web/WebAXObject.h"
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/accessibility/ax_tree_source.h"
-
-namespace content {
-
-class RenderViewImpl;
-
-class BlinkAXTreeSource
-    : public ui::AXTreeSource<blink::WebAXObject> {
- public:
-  BlinkAXTreeSource(RenderViewImpl* render_view);
-  virtual ~BlinkAXTreeSource();
-
-  // AXTreeSource implementation.
-  virtual blink::WebAXObject GetRoot() const OVERRIDE;
-  virtual blink::WebAXObject GetFromId(int32 id) const OVERRIDE;
-  virtual int32 GetId(blink::WebAXObject node) const OVERRIDE;
-  virtual void GetChildren(
-      blink::WebAXObject node,
-      std::vector<blink::WebAXObject>* out_children) const OVERRIDE;
-  virtual blink::WebAXObject GetParent(blink::WebAXObject node) const
-      OVERRIDE;
-  virtual void SerializeNode(blink::WebAXObject node,
-                             ui::AXNodeData* out_data) const OVERRIDE;
-  virtual bool IsValid(blink::WebAXObject node) const OVERRIDE;
-  virtual bool IsEqual(blink::WebAXObject node1,
-                       blink::WebAXObject node2) const OVERRIDE;
-  virtual blink::WebAXObject GetNull() const OVERRIDE;
-
-  blink::WebDocument GetMainDocument() const;
-
- private:
-  RenderViewImpl* render_view_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_