Extend AXTreeSourceViews to handle aura::Window and views::Widget.

ui/views/accessibility/ax_tree_source_views_unittest.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 <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/utf_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/accessibility/ax_enums.h"
-#include "ui/accessibility/ax_node.h"
-#include "ui/accessibility/ax_serializable_tree.h"
-#include "ui/accessibility/ax_tree_serializer.h"
-#include "ui/accessibility/ax_tree_update.h"
-#include "ui/views/accessibility/ax_tree_source_views.h"
-#include "ui/views/controls/textfield/textfield.h"
-#include "ui/views/test/views_test_base.h"
-#include "ui/views/widget/widget.h"
-
-namespace views {
-
-class AXTreeSourceViewsTest : public ViewsTestBase {
- public:
-  AXTreeSourceViewsTest() {}
-  virtual ~AXTreeSourceViewsTest() {}
-
-  virtual void SetUp() OVERRIDE {
-    ViewsTestBase::SetUp();
-    widget_.reset(new Widget());
-    Widget::InitParams init_params =
-        CreateParams(Widget::InitParams::TYPE_POPUP);
-    init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
-    widget_->Init(init_params);
-
-    content_.reset(new View());
-    widget_->SetContentsView(content_.get());
-
-    textfield_.reset(new Textfield());
-    textfield_->SetText(base::ASCIIToUTF16("Value"));
-    content_->AddChildView(textfield_.get());
-  }
-
- protected:
-  scoped_ptr<Widget> widget_;
-  scoped_ptr<View> content_;
-  scoped_ptr<Textfield> textfield_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AXTreeSourceViewsTest);
-};
-
-TEST_F(AXTreeSourceViewsTest, SimpleAccessers) {
-  AXTreeSourceViews ax_tree(widget_.get());
-  ASSERT_EQ(widget_->GetRootView(), ax_tree.GetRoot());
-  std::vector<View*> content_children;
-  ax_tree.GetChildren(content_.get(), &content_children);
-  ASSERT_EQ(1U, content_children.size());
-  std::vector<View*> textfield_children;
-  ax_tree.GetChildren(textfield_.get(), &textfield_children);
-  ASSERT_EQ(0U, textfield_children.size());
-
-  int root_id = ax_tree.GetId(widget_->GetRootView());
-  int content_id = ax_tree.GetId(content_.get());
-  int textfield_id = ax_tree.GetId(textfield_.get());
-
-  ASSERT_EQ(1, root_id);
-  ASSERT_EQ(2, content_id);
-  ASSERT_EQ(3, textfield_id);
-}
-
-TEST_F(AXTreeSourceViewsTest, SimpleSerialization) {
-  AXTreeSourceViews ax_tree(widget_.get());
-  ui::AXTreeSerializer<View*> ax_serializer(&ax_tree);
-  ui::AXTreeUpdate out_update;
-  ax_serializer.SerializeChanges(ax_tree.GetRoot(), &out_update);
-  ASSERT_EQ(3U, out_update.nodes.size());
-  ASSERT_EQ("id=1 root_web_area (0, 0)-(0, 0) name= value= child_ids=2",
-            out_update.nodes[0].ToString());
-  ASSERT_EQ("id=2 client (0, 0)-(0, 0) name= value= child_ids=3",
-            out_update.nodes[1].ToString());
-  ASSERT_EQ("id=3 text_field (0, 0)-(0, 0) name= value=Value",
-            out_update.nodes[2].ToString());
-}
-
-}  // namespace views