Enable better NVDA support for custom menus....

views/controls/menu/submenu_view.cc

Index: views/controls/menu/submenu_view.cc
===================================================================
--- views/controls/menu/submenu_view.cc	(revision 54772)
+++ views/controls/menu/submenu_view.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "views/controls/menu/submenu_view.h"
 
 #include "gfx/canvas.h"
+#include "views/accessibility/view_accessibility.h"
 #include "views/controls/menu/menu_config.h"
 #include "views/controls/menu/menu_controller.h"
 #include "views/controls/menu/menu_host.h"
@@ -233,6 +234,9 @@
   // Make sure the first row is visible.
   ScrollRectToVisible(gfx::Rect(gfx::Point(), gfx::Size(1, 1)));
   host_->Init(parent, bounds, scroll_view_container_, do_capture);
+
+  GetScrollViewContainer()->NotifyAccessibilityEvent(
+        AccessibilityTypes::EVENT_MENUPOPUPSTART);
 }
 
 void SubmenuView::Reposition(const gfx::Rect& bounds) {
@@ -242,6 +246,9 @@
 
 void SubmenuView::Close() {
   if (host_) {
+    GetScrollViewContainer()->NotifyAccessibilityEvent(
+        AccessibilityTypes::EVENT_MENUPOPUPEND);
+
     host_->DestroyMenuHost();
     host_ = NULL;
   }
@@ -285,6 +292,11 @@
     scroll_view_container_ = new MenuScrollViewContainer(this);
     // Otherwise MenuHost would delete us.
     scroll_view_container_->set_parent_owned(false);
+
+    // Use the parent menu item accessible name for the menu view.
+    std::wstring accessible_name;
+    GetMenuItem()->GetAccessibleName(&accessible_name);
+    scroll_view_container_->SetAccessibleName(accessible_name);
   }
   return scroll_view_container_;
 }