Add a big grab bag of missing web accessibility functionality...

content/browser/accessibility/browser_accessibility_manager_win.cc

Index: content/browser/accessibility/browser_accessibility_manager_win.cc
===================================================================
--- content/browser/accessibility/browser_accessibility_manager_win.cc	(revision 98225)
+++ content/browser/accessibility/browser_accessibility_manager_win.cc	(working copy)
@@ -58,6 +58,10 @@
   LONG event_id = EVENT_MIN;
   switch (type) {
     case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_ACTIVE_DESCENDANT_CHANGED:
+      event_id = IA2_EVENT_ACTIVE_DESCENDANT_CHANGED;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
           NOTIFICATION_TYPE_CHECK_STATE_CHANGED:
       event_id = EVENT_OBJECT_STATECHANGE;
       break;
@@ -81,9 +85,34 @@
           NOTIFICATION_TYPE_SELECTED_TEXT_CHANGED:
       event_id = IA2_EVENT_TEXT_CARET_MOVED;
       break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_LIVE_REGION_CHANGED:
+      event_id = EVENT_OBJECT_REORDER;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_TEXT_INSERTED:
+      event_id = IA2_EVENT_TEXT_INSERTED;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_TEXT_REMOVED:
+      event_id = IA2_EVENT_TEXT_REMOVED;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_OBJECT_SHOW:
+      event_id = EVENT_OBJECT_SHOW;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_OBJECT_HIDE:
+      event_id = EVENT_OBJECT_HIDE;
+      break;
+    case ViewHostMsg_AccessibilityNotification_Type::
+          NOTIFICATION_TYPE_ALERT:
+      event_id = EVENT_SYSTEM_ALERT;
+      break;
     default:
-      NOTREACHED();
-      break;
+      // Not all WebKit accessibility events result in a Windows
+      // accessibility notification.
+      return;
   }
 
   NotifyWinEvent(event_id, GetParentView(), OBJID_CLIENT, node->child_id());