Implement 3 Mac accessibility parameterized attributes

content/browser/accessibility/browser_accessibility_manager.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_MANAGER_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 302 matching lines @@
   // If the two objects provided have a common ancestor returns both the
   // common ancestor and the child indices of the two subtrees in which the
   // objects are located.
   // Returns false if a common ancestor cannot be found.
   static bool FindIndicesInCommonParent(const BrowserAccessibility& object1,
                                         const BrowserAccessibility& object2,
                                         BrowserAccessibility** common_parent,
                                         int* child_index1,
                                         int* child_index2);
 
+  // Sets |out_is_before| to true if |object1| comes before |object2|
+  // in tree order (pre-order traversal), and false if the objects are the
+  // same or not in the same tree.
+  static ui::AXTreeOrder CompareNodes(
+      const BrowserAccessibility& object1,
+      const BrowserAccessibility& object2);
+
   static std::vector<const BrowserAccessibility*> FindTextOnlyObjectsInRange(
       const BrowserAccessibility& start_object,
       const BrowserAccessibility& end_object);
 
   static base::string16 GetTextForRange(
       const BrowserAccessibility& start_object,
       const BrowserAccessibility& end_object);
 
   // If start and end offsets are greater than the text's length, returns all
   // the text.
   static base::string16 GetTextForRange(
       const BrowserAccessibility& start_object,
       int start_offset,
       const BrowserAccessibility& end_object,
       int end_offset);
 
+  static gfx::Rect GetLocalBoundsForRange(
+      const BrowserAccessibility& start_object,
+      int start_offset,
+      const BrowserAccessibility& end_object,
+      int end_offset);
+
   // Accessors.
   AXTreeIDRegistry::AXTreeID ax_tree_id() const { return ax_tree_id_; }
 
   // AXTreeDelegate implementation.
   void OnNodeDataWillChange(ui::AXTree* tree,
                             const ui::AXNodeData& old_node_data,
                             const ui::AXNodeData& new_node_data) override;
   void OnTreeDataChanged(ui::AXTree* tree) override;
   void OnNodeWillBeDeleted(ui::AXTree* tree, ui::AXNode* node) override;
   void OnSubtreeWillBeDeleted(ui::AXTree* tree, ui::AXNode* node) override;
@@ skipping 102 matching lines @@
   // node within that parent tree. It's computed as needed and cached for
   // speed so that it can be accessed quickly if it hasn't changed.
   int parent_node_id_from_parent_tree_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_