De-templatize ui::AXPosition

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 353 matching lines @@
   bool IsRichTextControl() const;
 
   // Return true if the accessible name was explicitly set to "" by the author
   bool HasExplicitlyEmptyName() const;
 
   // If an object is focusable but has no accessible name, use this
   // to compute a name from its descendants.
   std::string ComputeAccessibleNameFromDescendants() const;
 
   // Creates a text position rooted at this object.
-  AXPlatformPosition::AXPositionInstance CreatePositionAt(
+  AXPlatformPosition::ConcreteInstance CreatePositionAt(
       int offset,
       ui::AXTextAffinity affinity = ui::AX_TEXT_AFFINITY_DOWNSTREAM) const;
 
   // Gets the text offsets where new lines start.
   std::vector<int> GetLineStartOffsets() const;
 
   virtual gfx::NativeViewAccessible GetNativeViewAccessible();
 
   // AXPlatformNodeDelegate.
   const ui::AXNodeData& GetData() const override;
@@ skipping 29 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_