Switched to using |AXPosition| for calculating word and line boundaries on Windows.

content/browser/accessibility/browser_accessibility_win.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_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <oleacc.h>
@@ skipping 704 matching lines @@
                          const _ATL_INTMAP_ENTRY* entries,
                          REFIID iid,
                          void** object);
 
   // Computes and caches the IA2 text style attributes for the text and other
   // embedded child objects.
   CONTENT_EXPORT void ComputeStylesIfNeeded();
 
   // |offset| could either be a text character or a child index in case of
   // non-text objects.
-  CONTENT_EXPORT AXPlatformPosition::AXPositionInstance CreatePositionAt(
-      int offset) const override;
+  AXPlatformPosition::AXPositionInstance CreatePositionForSelectionAt(
+      int offset) const;
 
   CONTENT_EXPORT base::string16 GetText() const override;
 
   // Accessors.
   int32_t ia_role() const { return win_attributes_->ia_role; }
   int32_t ia_state() const { return win_attributes_->ia_state; }
   const base::string16& role_name() const { return win_attributes_->role_name; }
   int32_t ia2_role() const { return win_attributes_->ia2_role; }
   int32_t ia2_state() const { return win_attributes_->ia2_state; }
   const std::vector<base::string16>& ia2_attributes() const {
@@ skipping 243 matching lines @@
 
 CONTENT_EXPORT BrowserAccessibilityWin*
 ToBrowserAccessibilityWin(BrowserAccessibility* obj);
 
 CONTENT_EXPORT const BrowserAccessibilityWin*
 ToBrowserAccessibilityWin(const BrowserAccessibility* obj);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_