Make views Slider accessible on Chrome OS

chrome/browser/ui/views/accessibility_event_router_views.cc

Index: chrome/browser/ui/views/accessibility_event_router_views.cc
diff --git a/chrome/browser/ui/views/accessibility_event_router_views.cc b/chrome/browser/ui/views/accessibility_event_router_views.cc
index c4e465845035cce481eda2435cbf8c1a082f507f..92f7a472bbaf9b25d43a0402c823d7bd79eb7734 100644
--- a/chrome/browser/ui/views/accessibility_event_router_views.cc
+++ b/chrome/browser/ui/views/accessibility_event_router_views.cc
@@ -164,6 +164,9 @@ void AccessibilityEventRouterViews::DispatchAccessibilityNotification(
     break;
   case ui::AccessibilityTypes::ROLE_RADIOBUTTON:
     // Not used anymore?
+  case ui::AccessibilityTypes::ROLE_SLIDER:
+    SendSliderNotification(view, type, profile);
+    break;
   default:
     // If this is encountered, please file a bug with the role that wasn't
     // caught so we can add accessibility extension API support.
@@ -302,6 +305,25 @@ void AccessibilityEventRouterViews::SendWindowNotification(
 }
 
 // static
+void AccessibilityEventRouterViews::SendSliderNotification(
+    views::View* view,
+    int type,
+    Profile* profile) {
+  ui::AccessibleViewState state;
+  view->GetAccessibleState(&state);
+
+  std::string name = UTF16ToUTF8(state.name);
+  std::string value = UTF16ToUTF8(state.value);
+  std::string context = GetViewContext(view);
+  AccessibilitySliderInfo info(
+      profile,
+      name,
+      context,
+      value);
+  SendAccessibilityNotification(type, &info);
+}
+
+// static
 std::string AccessibilityEventRouterViews::GetViewName(views::View* view) {
   ui::AccessibleViewState state;
   view->GetAccessibleState(&state);