Migrate BrowserAccessibility windows unique id handling to AXPlatformNodeWin.

content/browser/accessibility/browser_accessibility_android.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_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "content/browser/accessibility/browser_accessibility.h"
+#include "ui/accessibility/platform/ax_platform_node.h"
 
 namespace content {
 
 class CONTENT_EXPORT BrowserAccessibilityAndroid : public BrowserAccessibility {
  public:
+  static BrowserAccessibilityAndroid* GetFromUniqueId(int32_t unique_id);
+  int32_t unique_id() const { return unique_id_; }
+
   // Overrides from BrowserAccessibility.
   void OnDataChanged() override;
   bool IsNative() const override;
   void OnLocationChanged() override;
   base::string16 GetValue() const override;
 
   bool PlatformIsLeaf() const override;
 
   bool IsCheckable() const;
   bool IsChecked() const;
@@ skipping 101 matching lines @@
   // adding |offset| to each one.
   void GetWordBoundaries(std::vector<int32_t>* word_starts,
                          std::vector<int32_t>* word_ends,
                          int offset);
 
  private:
   // This gives BrowserAccessibility::Create access to the class constructor.
   friend class BrowserAccessibility;
 
   BrowserAccessibilityAndroid();
+  ~BrowserAccessibilityAndroid() override;
 
   bool HasOnlyTextChildren() const;
   bool HasOnlyTextAndImageChildren() const;
   bool IsIframe() const;
 
   void NotifyLiveRegionUpdate(base::string16& aria_live);
 
   int CountChildrenWithRole(ui::AXRole role) const;
 
   static size_t CommonPrefixLength(const base::string16 a,
                                    const base::string16 b);
   static size_t CommonSuffixLength(const base::string16 a,
                                    const base::string16 b);
   static size_t CommonEndLengths(const base::string16 a,
                                  const base::string16 b);
 
   base::string16 cached_text_;
   bool first_time_;
   base::string16 old_value_;
   base::string16 new_value_;
+  int32_t unique_id_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_