Add support for new accessibility roles from WebKit, with tests.

content/browser/accessibility/browser_accessibility_cocoa.mm

 // 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.
 
 #include <execinfo.h>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include <map>
 
@@ skipping 46 matching lines @@
   const MapEntry roles[] = {
     { AccessibilityNodeData::ROLE_ALERT, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_ALERT_DIALOG, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_ANNOTATION, NSAccessibilityUnknownRole },
     { AccessibilityNodeData::ROLE_APPLICATION, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_ARTICLE, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_BROWSER, NSAccessibilityBrowserRole },
     { AccessibilityNodeData::ROLE_BUSY_INDICATOR,
         NSAccessibilityBusyIndicatorRole },
     { AccessibilityNodeData::ROLE_BUTTON, NSAccessibilityButtonRole },
+    { AccessibilityNodeData::ROLE_CANVAS, NSAccessibilityImageRole },
+    { AccessibilityNodeData::ROLE_CANVAS_WITH_FALLBACK_CONTENT,
+        NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_CELL, @"AXCell" },
     { AccessibilityNodeData::ROLE_CHECKBOX, NSAccessibilityCheckBoxRole },
     { AccessibilityNodeData::ROLE_COLOR_WELL, NSAccessibilityColorWellRole },
     { AccessibilityNodeData::ROLE_COLUMN, NSAccessibilityColumnRole },
     { AccessibilityNodeData::ROLE_COLUMN_HEADER, @"AXCell" },
     { AccessibilityNodeData::ROLE_DEFINITION_LIST_DEFINITION,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_DEFINITION_LIST_TERM,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_DIALOG, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_DIRECTORY, NSAccessibilityListRole },
     { AccessibilityNodeData::ROLE_DISCLOSURE_TRIANGLE,
         NSAccessibilityDisclosureTriangleRole },
     { AccessibilityNodeData::ROLE_DOCUMENT, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_DRAWER, NSAccessibilityDrawerRole },
     { AccessibilityNodeData::ROLE_EDITABLE_TEXT, NSAccessibilityTextFieldRole },
     { AccessibilityNodeData::ROLE_FOOTER, NSAccessibilityGroupRole },
+    { AccessibilityNodeData::ROLE_FORM, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_GRID, NSAccessibilityGridRole },
     { AccessibilityNodeData::ROLE_GROUP, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_GROW_AREA, NSAccessibilityGrowAreaRole },
     { AccessibilityNodeData::ROLE_HEADING, @"AXHeading" },
     { AccessibilityNodeData::ROLE_HELP_TAG, NSAccessibilityHelpTagRole },
+    { AccessibilityNodeData::ROLE_HORIZONTAL_RULE, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_IGNORED, NSAccessibilityUnknownRole },
     { AccessibilityNodeData::ROLE_IMAGE, NSAccessibilityImageRole },
     { AccessibilityNodeData::ROLE_IMAGE_MAP, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_IMAGE_MAP_LINK, NSAccessibilityLinkRole },
     { AccessibilityNodeData::ROLE_INCREMENTOR, NSAccessibilityIncrementorRole },
+    { AccessibilityNodeData::ROLE_LABEL, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_APPLICATION,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_BANNER, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_COMPLEMENTARY,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_CONTENTINFO,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_MAIN, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_NAVIGATION,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LANDMARK_SEARCH, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LINK, NSAccessibilityLinkRole },
     { AccessibilityNodeData::ROLE_LIST, NSAccessibilityListRole },
     { AccessibilityNodeData::ROLE_LIST_ITEM, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LIST_MARKER, @"AXListMarker" },
     { AccessibilityNodeData::ROLE_LISTBOX, NSAccessibilityListRole },
     { AccessibilityNodeData::ROLE_LISTBOX_OPTION, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_LOG, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_MARQUEE, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_MATH, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_MATTE, NSAccessibilityMatteRole },
     { AccessibilityNodeData::ROLE_MENU, NSAccessibilityMenuRole },
     { AccessibilityNodeData::ROLE_MENU_ITEM, NSAccessibilityMenuItemRole },
     { AccessibilityNodeData::ROLE_MENU_BUTTON, NSAccessibilityButtonRole },
     { AccessibilityNodeData::ROLE_MENU_LIST_OPTION,
         NSAccessibilityMenuItemRole },
     { AccessibilityNodeData::ROLE_MENU_LIST_POPUP, NSAccessibilityUnknownRole },
     { AccessibilityNodeData::ROLE_NOTE, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_OUTLINE, NSAccessibilityOutlineRole },
+    { AccessibilityNodeData::ROLE_PARAGRAPH, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_POPUP_BUTTON,
         NSAccessibilityPopUpButtonRole },
+    { AccessibilityNodeData::ROLE_PRESENTATIONAL, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_PROGRESS_INDICATOR,
         NSAccessibilityProgressIndicatorRole },
     { AccessibilityNodeData::ROLE_RADIO_BUTTON,
         NSAccessibilityRadioButtonRole },
     { AccessibilityNodeData::ROLE_RADIO_GROUP, NSAccessibilityRadioGroupRole },
     { AccessibilityNodeData::ROLE_REGION, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_ROOT_WEB_AREA, @"AXWebArea" },
     { AccessibilityNodeData::ROLE_ROW, NSAccessibilityRowRole },
     { AccessibilityNodeData::ROLE_ROW_HEADER, @"AXCell" },
     { AccessibilityNodeData::ROLE_RULER, NSAccessibilityRulerRole },
     { AccessibilityNodeData::ROLE_RULER_MARKER,
         NSAccessibilityRulerMarkerRole },
     // TODO(dtseng): we don't correctly support the attributes for these roles.
     // { AccessibilityNodeData::ROLE_SCROLLAREA,
     //    NSAccessibilityScrollAreaRole },
     // { AccessibilityNodeData::ROLE_SCROLLBAR, NSAccessibilityScrollBarRole },
     { AccessibilityNodeData::ROLE_SHEET, NSAccessibilitySheetRole },
     { AccessibilityNodeData::ROLE_SLIDER, NSAccessibilitySliderRole },
     { AccessibilityNodeData::ROLE_SLIDER_THUMB, NSAccessibilityGroupRole },
+    { AccessibilityNodeData::ROLE_SPIN_BUTTON, NSAccessibilityTextFieldRole },
     { AccessibilityNodeData::ROLE_SPLITTER, NSAccessibilitySplitterRole },
     { AccessibilityNodeData::ROLE_SPLIT_GROUP, NSAccessibilitySplitGroupRole },
     { AccessibilityNodeData::ROLE_STATIC_TEXT, NSAccessibilityStaticTextRole },
     { AccessibilityNodeData::ROLE_STATUS, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_SYSTEM_WIDE, NSAccessibilityUnknownRole },
     { AccessibilityNodeData::ROLE_TAB, NSAccessibilityRadioButtonRole },
     { AccessibilityNodeData::ROLE_TAB_LIST, NSAccessibilityTabGroupRole },
     { AccessibilityNodeData::ROLE_TAB_PANEL, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_TABLE, NSAccessibilityTableRole },
     { AccessibilityNodeData::ROLE_TABLE_HEADER_CONTAINER,
         NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_TAB_GROUP_UNUSED,
         NSAccessibilityTabGroupRole },
     { AccessibilityNodeData::ROLE_TEXTAREA, NSAccessibilityTextAreaRole },
     { AccessibilityNodeData::ROLE_TEXT_FIELD, NSAccessibilityTextFieldRole },
     { AccessibilityNodeData::ROLE_TIMER, NSAccessibilityGroupRole },
+    { AccessibilityNodeData::ROLE_TOGGLE_BUTTON, NSAccessibilityButtonRole },
     { AccessibilityNodeData::ROLE_TOOLBAR, NSAccessibilityToolbarRole },
     { AccessibilityNodeData::ROLE_TOOLTIP, NSAccessibilityGroupRole },
     { AccessibilityNodeData::ROLE_TREE, NSAccessibilityOutlineRole },
     { AccessibilityNodeData::ROLE_TREE_GRID, NSAccessibilityTableRole },
     { AccessibilityNodeData::ROLE_TREE_ITEM, NSAccessibilityRowRole },
     { AccessibilityNodeData::ROLE_VALUE_INDICATOR,
         NSAccessibilityValueIndicatorRole },
     { AccessibilityNodeData::ROLE_WEBCORE_LINK, NSAccessibilityLinkRole },
     { AccessibilityNodeData::ROLE_WEB_AREA, @"AXWebArea" },
     { AccessibilityNodeData::ROLE_WINDOW, NSAccessibilityUnknownRole },
@@ skipping 905 matching lines @@
     return [super hash];
   return browserAccessibility_->renderer_id();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end