Expose correct semantics for HTML5 footer element on mac and windows platforms, as per https://bugs…

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 100 matching lines @@
     { WebAccessibility::ROLE_DEFINITION_LIST_DEFINITION,
         NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_DEFINITION_LIST_TERM, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_DIALOG, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_DIRECTORY, NSAccessibilityListRole },
     { WebAccessibility::ROLE_DISCLOSURE_TRIANGLE,
         NSAccessibilityDisclosureTriangleRole },
     { WebAccessibility::ROLE_DOCUMENT, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_DRAWER, NSAccessibilityDrawerRole },
     { WebAccessibility::ROLE_EDITABLE_TEXT, NSAccessibilityTextFieldRole },
+    { WebAccessibility::ROLE_FOOTER, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_GRID, NSAccessibilityGridRole },
     { WebAccessibility::ROLE_GROUP, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_GROW_AREA, NSAccessibilityGrowAreaRole },
     { WebAccessibility::ROLE_HEADING, @"AXHeading" },
     { WebAccessibility::ROLE_HELP_TAG, NSAccessibilityHelpTagRole },
     { WebAccessibility::ROLE_IGNORED, NSAccessibilityUnknownRole },
     { WebAccessibility::ROLE_IMAGE, NSAccessibilityImageRole },
     { WebAccessibility::ROLE_IMAGE_MAP, NSAccessibilityGroupRole },
     { WebAccessibility::ROLE_IMAGE_MAP_LINK, NSAccessibilityLinkRole },
     { WebAccessibility::ROLE_INCREMENTOR, NSAccessibilityIncrementorRole },
@@ skipping 84 matching lines @@
 
 RoleMap BuildSubroleMap() {
   const MapEntry subroles[] = {
     { WebAccessibility::ROLE_ALERT, @"AXApplicationAlert" },
     { WebAccessibility::ROLE_ALERT_DIALOG, @"AXApplicationAlertDialog" },
     { WebAccessibility::ROLE_ARTICLE, @"AXDocumentArticle" },
     { WebAccessibility::ROLE_DEFINITION_LIST_DEFINITION, @"AXDefinition" },
     { WebAccessibility::ROLE_DEFINITION_LIST_TERM, @"AXTerm" },
     { WebAccessibility::ROLE_DIALOG, @"AXApplicationDialog" },
     { WebAccessibility::ROLE_DOCUMENT, @"AXDocument" },
+    { WebAccessibility::ROLE_FOOTER, @"AXLandmarkContentInfo" },
     { WebAccessibility::ROLE_LANDMARK_APPLICATION, @"AXLandmarkApplication" },
     { WebAccessibility::ROLE_LANDMARK_BANNER, @"AXLandmarkBanner" },
     { WebAccessibility::ROLE_LANDMARK_COMPLEMENTARY,
         @"AXLandmarkComplementary" },
     { WebAccessibility::ROLE_LANDMARK_CONTENTINFO, @"AXLandmarkContentInfo" },
     { WebAccessibility::ROLE_LANDMARK_MAIN, @"AXLandmarkMain" },
     { WebAccessibility::ROLE_LANDMARK_NAVIGATION, @"AXLandmarkNavigation" },
     { WebAccessibility::ROLE_LANDMARK_SEARCH, @"AXLandmarkSearch" },
     { WebAccessibility::ROLE_LOG, @"AXApplicationLog" },
     { WebAccessibility::ROLE_MARQUEE, @"AXApplicationMarquee" },
@@ skipping 311 matching lines @@
       for (size_t i = 0; i < htmlAttributes.size(); ++i) {
         const std::pair<string16, string16>& htmlAttribute = htmlAttributes[i];
         if (htmlAttribute.first == ASCIIToUTF16("role")) {
           // TODO(dtseng): This is not localized; see crbug/84814.
           return base::SysUTF16ToNSString(htmlAttribute.second);
         }
       }
     }
   }
 
+  if (static_cast<WebAccessibility::Role>( browserAccessibility_->role()) ==
+      WebAccessibility::ROLE_FOOTER) {
+      return base::SysUTF16ToNSString(content_client->GetLocalizedString(
+          IDS_AX_ROLE_FOOTER));
+  }
+
   return NSAccessibilityRoleDescription(role, nil);
 }
 
 - (NSArray*)rows {
   NSMutableArray* ret = [[[NSMutableArray alloc] init] autorelease];
   for (BrowserAccessibilityCocoa* child in [self children]) {
     if ([[child role] isEqualToString:NSAccessibilityRowRole])
       [ret addObject:child];
   }
 
@@ skipping 469 matching lines @@
     return [super hash];
   return browserAccessibility_->renderer_id();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end