Implement 3 Mac accessibility parameterized attributes

content/browser/accessibility/browser_accessibility_manager.h

Index: content/browser/accessibility/browser_accessibility_manager.h
diff --git a/content/browser/accessibility/browser_accessibility_manager.h b/content/browser/accessibility/browser_accessibility_manager.h
index 45957d9acbd21c31f46c6c66c9cbce0563e31af8..a1bb8e92f0376c3c79bd028bdec9d1630641382a 100644
--- a/content/browser/accessibility/browser_accessibility_manager.h
+++ b/content/browser/accessibility/browser_accessibility_manager.h
@@ -320,6 +320,13 @@ class CONTENT_EXPORT BrowserAccessibilityManager : public ui::AXTreeDelegate {
                                         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);
@@ -336,6 +343,12 @@ class CONTENT_EXPORT BrowserAccessibilityManager : public ui::AXTreeDelegate {
       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_; }