Prune invisible views from the desktop automation tree

ui/views/accessibility/ax_view_obj_wrapper.cc

 // Copyright 2014 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 "ui/views/accessibility/ax_view_obj_wrapper.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/events/event_utils.h"
@@ skipping 18 matching lines @@
   if (view_->GetWidget())
     return cache->GetOrCreate(view_->GetWidget());
 
   return NULL;
 }
 
 void AXViewObjWrapper::GetChildren(
     std::vector<AXAuraObjWrapper*>* out_children) {
   // TODO(dtseng): Need to handle |Widget| child of |View|.
   for (int i = 0; i < view_->child_count(); ++i) {
+    if (!view_->child_at(i)->visible())
+      continue;
+
     AXAuraObjWrapper* child =
         AXAuraObjCache::GetInstance()->GetOrCreate(view_->child_at(i));
     out_children->push_back(child);
   }
 }
 
 void AXViewObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
   ui::AXViewState view_data;
   view_->GetAccessibleState(&view_data);
 
@@ skipping 50 matching lines @@
 void AXViewObjWrapper::SetSelection(int32_t start, int32_t end) {
   // TODO(dtseng): Implement.
 }
 
 void AXViewObjWrapper::ShowContextMenu() {
   view_->ShowContextMenu(view_->bounds().CenterPoint(),
                          ui::MENU_SOURCE_KEYBOARD);
 }
 
 }  // namespace views