Implement 5 ARIA 1.1 roles: cell, feed, figure, table, term

ui/accessibility/platform/ax_platform_node_mac.mm

Index: ui/accessibility/platform/ax_platform_node_mac.mm
diff --git a/ui/accessibility/platform/ax_platform_node_mac.mm b/ui/accessibility/platform/ax_platform_node_mac.mm
index b06cb439dfc32467381b54aaa1d3a25868ed1589..7e4e1718440c51b86d59f01f22e4dbef4dc5d277 100644
--- a/ui/accessibility/platform/ax_platform_node_mac.mm
+++ b/ui/accessibility/platform/ax_platform_node_mac.mm
@@ -133,6 +133,7 @@ RoleMap BuildRoleMap() {
       {ui::AX_ROLE_TABLE_HEADER_CONTAINER, NSAccessibilityGroupRole},
       {ui::AX_ROLE_TAB_LIST, NSAccessibilityTabGroupRole},
       {ui::AX_ROLE_TAB_PANEL, NSAccessibilityGroupRole},
+      {ui::AX_ROLE_TERM, NSAccessibilityGroupRole},
       {ui::AX_ROLE_TEXT_FIELD, NSAccessibilityTextFieldRole},
       {ui::AX_ROLE_TIME, NSAccessibilityGroupRole},
       {ui::AX_ROLE_TIMER, NSAccessibilityGroupRole},
@@ -185,6 +186,7 @@ RoleMap BuildSubroleMap() {
       {ui::AX_ROLE_STATUS, @"AXApplicationStatus"},
       {ui::AX_ROLE_SWITCH, @"AXSwitch"},
       {ui::AX_ROLE_TAB_PANEL, @"AXTabPanel"},
+      {ui::AX_ROLE_TERM, @"AXTerm"},
       {ui::AX_ROLE_TIMER, @"AXApplicationTimer"},
       {ui::AX_ROLE_TOGGLE_BUTTON, @"AXToggleButton"},
       {ui::AX_ROLE_TOOLTIP, @"AXUserInterfaceTooltip"},