Revert of Migrate BrowserAccessibility windows unique id handling to AXPlatformNodeWin.

content/browser/accessibility/browser_accessibility.h

 // Copyright (c) 2012 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_BROWSER_ACCESSIBILITY_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 57 matching lines @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 class CONTENT_EXPORT BrowserAccessibility : public ui::AXPlatformNodeDelegate {
  public:
   // Creates a platform specific BrowserAccessibility. Ownership passes to the
   // caller.
   static BrowserAccessibility* Create();
 
   virtual ~BrowserAccessibility();
 
+  static BrowserAccessibility* GetFromUniqueID(int32_t unique_id);
+
   // Called only once, immediately after construction. The constructor doesn't
   // take any arguments because in the Windows subclass we use a special
   // function to construct a COM object.
   virtual void Init(BrowserAccessibilityManager* manager, ui::AXNode* node);
 
   // Called after the object is first initialized and again every time
   // its data changes.
   virtual void OnDataChanged() {}
 
   virtual void OnSubtreeWillBeDeleted() {}
@@ skipping 110 matching lines @@
   // Subclasses should override this to support platform reference counting.
   virtual void NativeReleaseReference();
 
   //
   // Accessors
   //
 
   BrowserAccessibilityManager* manager() const { return manager_; }
   bool instance_active() const { return node_ && manager_; }
   ui::AXNode* node() const { return node_; }
+  int32_t unique_id() const { return unique_id_; }
 
   // These access the internal accessibility tree, which doesn't necessarily
   // reflect the accessibility tree that should be exposed on each platform.
   // Use PlatformChildCount and PlatformGetChild to implement platform
   // accessibility APIs.
   uint32_t InternalChildCount() const;
   BrowserAccessibility* InternalGetChild(uint32_t child_index) const;
   BrowserAccessibility* InternalGetParent() const;
 
   BrowserAccessibility* PlatformGetParent() const;
@@ skipping 146 matching lines @@
   // special character in the place of every embedded object instead of its
   // text, depending on the platform.
   base::string16 GetInnerText() const;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_