Move AX Role predicates into ax_role_properties.h.

ui/accessibility/ax_role_properties.h

Index: ui/accessibility/ax_role_properties.h
diff --git a/ui/accessibility/ax_role_properties.h b/ui/accessibility/ax_role_properties.h
index 7d9ab79611e12aa76d2d496dcc68e2e106a0a116..6ee8234ed4f36f729005fc36d3d0ac05017881c5 100644
--- a/ui/accessibility/ax_role_properties.h
+++ b/ui/accessibility/ax_role_properties.h
@@ -14,6 +14,18 @@ namespace ui {
 // clicks.
 AX_EXPORT bool IsRoleClickable(AXRole role);
 
+// Returns true if this node is a cell or a table header.
+AX_EXPORT bool IsCellOrTableHeaderRole(AXRole role);
+
+// Returns true if this node is a table, a grid or a treegrid.
+AX_EXPORT bool IsTableLikeRole(AXRole role);
+
+// Returns true if this node is a container with selectable children.
+AX_EXPORT bool IsContainerWithSelectableChildrenRole(ui::AXRole role);
+
+// Returns true if this node is a row container.
+AX_EXPORT bool IsRowContainer(ui::AXRole role);
+
 }  // namespace ui
 
 #endif  // UI_ACCESSIBILITY_AX_ROLE_PROPERTIES_H_