Make use of new AX name calc in Chromium.

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 <map>
 #include <utility>
 #include <vector>
@@ skipping 280 matching lines @@
 
   // Returns true if this node is an editable text field of any kind.
   bool IsEditableText() const;
 
   // True if this is a web area, and its grandparent is a presentational iframe.
   bool IsWebAreaForPresentationalIframe() const;
 
   bool IsControl() const;
   bool IsTextControl() const;
 
+  // If an object is focusable but has no accessible name, use this
+  // to compute a name from its descendants.
+  std::string ComputeAccessibleNameFromDescendants();
+
  protected:
   BrowserAccessibility();
 
   // The manager of this tree of accessibility objects.
   BrowserAccessibilityManager* manager_;
 
   // The underlying node.
   ui::AXNode* node_;
 
  private:
@@ skipping 11 matching lines @@
   // its nearest scrollable ancestor) to local bounds (which are relative
   // to the top of the web accessibility tree).
   gfx::Rect ElementBoundsToLocalBounds(gfx::Rect bounds) const;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_