Move a bunch of accessibility tests in chrome that have no chrome dependencies to content. We wan...

chrome/browser/accessibility/browser_accessibility_manager_unittest.cc

Index: chrome/browser/accessibility/browser_accessibility_manager_unittest.cc
===================================================================
--- chrome/browser/accessibility/browser_accessibility_manager_unittest.cc	(revision 112878)
+++ chrome/browser/accessibility/browser_accessibility_manager_unittest.cc	(working copy)
@@ -1,634 +0,0 @@
-// Copyright (c) 2011 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 "base/string16.h"
-#include "base/utf_string_conversions.h"
-#include "content/browser/accessibility/browser_accessibility.h"
-#include "content/browser/accessibility/browser_accessibility_manager.h"
-#include "content/common/view_messages.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webkit/glue/webaccessibility.h"
-
-using webkit_glue::WebAccessibility;
-
-namespace {
-
-// Subclass of BrowserAccessibility that counts the number of instances.
-class CountedBrowserAccessibility : public BrowserAccessibility {
- public:
-  CountedBrowserAccessibility() {
-    global_obj_count_++;
-    native_ref_count_ = 1;
-  }
-  virtual ~CountedBrowserAccessibility() {
-    global_obj_count_--;
-  }
-
-  virtual void NativeAddReference() OVERRIDE {
-    native_ref_count_++;
-  }
-
-  virtual void NativeReleaseReference() OVERRIDE {
-    native_ref_count_--;
-    if (native_ref_count_ == 0)
-      delete this;
-  }
-
-  int native_ref_count_;
-  static int global_obj_count_;
-};
-
-int CountedBrowserAccessibility::global_obj_count_ = 0;
-
-// Factory that creates a CountedBrowserAccessibility.
-class CountedBrowserAccessibilityFactory
-    : public BrowserAccessibilityFactory {
- public:
-  virtual ~CountedBrowserAccessibilityFactory() {}
-  virtual BrowserAccessibility* Create() {
-    return new CountedBrowserAccessibility();
-  }
-};
-
-}  // anonymous namespace
-
-TEST(BrowserAccessibilityManagerTest, TestNoLeaks) {
-  // Create WebAccessibility objects for a simple document tree,
-  // representing the accessibility information used to initialize
-  // BrowserAccessibilityManager.
-  WebAccessibility button;
-  button.id = 2;
-  button.name = UTF8ToUTF16("Button");
-  button.role = WebAccessibility::ROLE_BUTTON;
-  button.state = 0;
-
-  WebAccessibility checkbox;
-  checkbox.id = 3;
-  checkbox.name = UTF8ToUTF16("Checkbox");
-  checkbox.role = WebAccessibility::ROLE_CHECKBOX;
-  checkbox.state = 0;
-
-  WebAccessibility root;
-  root.id = 1;
-  root.name = UTF8ToUTF16("Document");
-  root.role = WebAccessibility::ROLE_DOCUMENT;
-  root.state = 0;
-  root.children.push_back(button);
-  root.children.push_back(checkbox);
-
-  // Construct a BrowserAccessibilityManager with this WebAccessibility tree
-  // and a factory for an instance-counting BrowserAccessibility, and ensure
-  // that exactly 3 instances were created. Note that the manager takes
-  // ownership of the factory.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          NULL,
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-
-  ASSERT_EQ(3, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and test that all 3 instances are deleted.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-
-  // Construct a manager again, and this time save references to two of
-  // the three nodes in the tree.
-  manager =
-      BrowserAccessibilityManager::Create(
-          NULL,
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(3, CountedBrowserAccessibility::global_obj_count_);
-
-  CountedBrowserAccessibility* root_accessible =
-      static_cast<CountedBrowserAccessibility*>(manager->GetRoot());
-  root_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child1_accessible =
-      static_cast<CountedBrowserAccessibility*>(root_accessible->GetChild(1));
-  child1_accessible->NativeAddReference();
-
-  // Now delete the manager, and only one of the three nodes in the tree
-  // should be released.
-  delete manager;
-  ASSERT_EQ(2, CountedBrowserAccessibility::global_obj_count_);
-
-  // Release each of our references and make sure that each one results in
-  // the instance being deleted as its reference count hits zero.
-  root_accessible->NativeReleaseReference();
-  ASSERT_EQ(1, CountedBrowserAccessibility::global_obj_count_);
-  child1_accessible->NativeReleaseReference();
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST(BrowserAccessibilityManagerTest, TestReuseBrowserAccessibilityObjects) {
-  // Make sure that changes to a subtree reuse as many objects as possible.
-
-  // Tree 1:
-  //
-  // root
-  //   child1
-  //   child2
-  //   child3
-
-  WebAccessibility tree1_child1;
-  tree1_child1.id = 2;
-  tree1_child1.name = UTF8ToUTF16("Child1");
-  tree1_child1.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child1.state = 0;
-
-  WebAccessibility tree1_child2;
-  tree1_child2.id = 3;
-  tree1_child2.name = UTF8ToUTF16("Child2");
-  tree1_child2.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child2.state = 0;
-
-  WebAccessibility tree1_child3;
-  tree1_child3.id = 4;
-  tree1_child3.name = UTF8ToUTF16("Child3");
-  tree1_child3.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child3.state = 0;
-
-  WebAccessibility tree1_root;
-  tree1_root.id = 1;
-  tree1_root.name = UTF8ToUTF16("Document");
-  tree1_root.role = WebAccessibility::ROLE_DOCUMENT;
-  tree1_root.state = 0;
-  tree1_root.children.push_back(tree1_child1);
-  tree1_root.children.push_back(tree1_child2);
-  tree1_root.children.push_back(tree1_child3);
-
-  // Tree 2:
-  //
-  // root
-  //   child0  <-- inserted
-  //   child1
-  //   child2
-  //           <-- child3 deleted
-
-  WebAccessibility tree2_child0;
-  tree2_child0.id = 5;
-  tree2_child0.name = UTF8ToUTF16("Child0");
-  tree2_child0.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child0.state = 0;
-
-  WebAccessibility tree2_child1;
-  tree2_child1.id = 2;
-  tree2_child1.name = UTF8ToUTF16("Child1");
-  tree2_child1.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child1.state = 0;
-
-  WebAccessibility tree2_child2;
-  tree2_child2.id = 3;
-  tree2_child2.name = UTF8ToUTF16("Child2");
-  tree2_child2.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child2.state = 0;
-
-  WebAccessibility tree2_root;
-  tree2_root.id = 1;
-  tree2_root.name = UTF8ToUTF16("DocumentChanged");
-  tree2_root.role = WebAccessibility::ROLE_DOCUMENT;
-  tree2_root.state = 0;
-  tree2_root.children.push_back(tree2_child0);
-  tree2_root.children.push_back(tree2_child1);
-  tree2_root.children.push_back(tree2_child2);
-
-  // Construct a BrowserAccessibilityManager with tree1.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          NULL,
-          tree1_root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(4, CountedBrowserAccessibility::global_obj_count_);
-
-  // Save references to all of the objects.
-  CountedBrowserAccessibility* root_accessible =
-      static_cast<CountedBrowserAccessibility*>(manager->GetRoot());
-  root_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child1_accessible =
-      static_cast<CountedBrowserAccessibility*>(root_accessible->GetChild(0));
-  child1_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child2_accessible =
-      static_cast<CountedBrowserAccessibility*>(root_accessible->GetChild(1));
-  child2_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child3_accessible =
-      static_cast<CountedBrowserAccessibility*>(root_accessible->GetChild(2));
-  child3_accessible->NativeAddReference();
-
-  // Check the index in parent.
-  EXPECT_EQ(0, child1_accessible->index_in_parent());
-  EXPECT_EQ(1, child2_accessible->index_in_parent());
-  EXPECT_EQ(2, child3_accessible->index_in_parent());
-
-  // Process a notification containing the changed subtree.
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> params;
-  params.push_back(ViewHostMsg_AccessibilityNotification_Params());
-  ViewHostMsg_AccessibilityNotification_Params* msg = &params[0];
-  msg->notification_type = ViewHostMsg_AccEvent::CHILDREN_CHANGED;
-  msg->acc_tree = tree2_root;
-  msg->includes_children = true;
-  msg->id = tree2_root.id;
-  manager->OnAccessibilityNotifications(params);
-
-  // There should be 5 objects now: the 4 from the new tree, plus the
-  // reference to child3 we kept.
-  EXPECT_EQ(5, CountedBrowserAccessibility::global_obj_count_);
-
-  // Check that our references to the root, child1, and child2 are still valid,
-  // but that the reference to child3 is now invalid.
-  EXPECT_TRUE(root_accessible->instance_active());
-  EXPECT_TRUE(child1_accessible->instance_active());
-  EXPECT_TRUE(child2_accessible->instance_active());
-  EXPECT_FALSE(child3_accessible->instance_active());
-
-  // Check that the index in parent has been updated.
-  EXPECT_EQ(1, child1_accessible->index_in_parent());
-  EXPECT_EQ(2, child2_accessible->index_in_parent());
-
-  // Release our references. The object count should only decrease by 1
-  // for child3.
-  root_accessible->NativeReleaseReference();
-  child1_accessible->NativeReleaseReference();
-  child2_accessible->NativeReleaseReference();
-  child3_accessible->NativeReleaseReference();
-
-  EXPECT_EQ(4, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and make sure all memory is cleaned up.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST(BrowserAccessibilityManagerTest, TestReuseBrowserAccessibilityObjects2) {
-  // Similar to the test above, but with a more complicated tree.
-
-  // Tree 1:
-  //
-  // root
-  //   container
-  //     child1
-  //       grandchild1
-  //     child2
-  //       grandchild2
-  //     child3
-  //       grandchild3
-
-  WebAccessibility tree1_grandchild1;
-  tree1_grandchild1.id = 4;
-  tree1_grandchild1.name = UTF8ToUTF16("GrandChild1");
-  tree1_grandchild1.role = WebAccessibility::ROLE_BUTTON;
-  tree1_grandchild1.state = 0;
-
-  WebAccessibility tree1_child1;
-  tree1_child1.id = 3;
-  tree1_child1.name = UTF8ToUTF16("Child1");
-  tree1_child1.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child1.state = 0;
-  tree1_child1.children.push_back(tree1_grandchild1);
-
-  WebAccessibility tree1_grandchild2;
-  tree1_grandchild2.id = 6;
-  tree1_grandchild2.name = UTF8ToUTF16("GrandChild1");
-  tree1_grandchild2.role = WebAccessibility::ROLE_BUTTON;
-  tree1_grandchild2.state = 0;
-
-  WebAccessibility tree1_child2;
-  tree1_child2.id = 5;
-  tree1_child2.name = UTF8ToUTF16("Child2");
-  tree1_child2.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child2.state = 0;
-  tree1_child2.children.push_back(tree1_grandchild2);
-
-  WebAccessibility tree1_grandchild3;
-  tree1_grandchild3.id = 8;
-  tree1_grandchild3.name = UTF8ToUTF16("GrandChild3");
-  tree1_grandchild3.role = WebAccessibility::ROLE_BUTTON;
-  tree1_grandchild3.state = 0;
-
-  WebAccessibility tree1_child3;
-  tree1_child3.id = 7;
-  tree1_child3.name = UTF8ToUTF16("Child3");
-  tree1_child3.role = WebAccessibility::ROLE_BUTTON;
-  tree1_child3.state = 0;
-  tree1_child3.children.push_back(tree1_grandchild3);
-
-  WebAccessibility tree1_container;
-  tree1_container.id = 2;
-  tree1_container.name = UTF8ToUTF16("Container");
-  tree1_container.role = WebAccessibility::ROLE_GROUP;
-  tree1_container.state = 0;
-  tree1_container.children.push_back(tree1_child1);
-  tree1_container.children.push_back(tree1_child2);
-  tree1_container.children.push_back(tree1_child3);
-
-  WebAccessibility tree1_root;
-  tree1_root.id = 1;
-  tree1_root.name = UTF8ToUTF16("Document");
-  tree1_root.role = WebAccessibility::ROLE_DOCUMENT;
-  tree1_root.state = 0;
-  tree1_root.children.push_back(tree1_container);
-
-  // Tree 2:
-  //
-  // root
-  //   container
-  //     child0         <-- inserted
-  //       grandchild0  <--
-  //     child1
-  //       grandchild1
-  //     child2
-  //       grandchild2
-  //                    <-- child3 (and grandchild3) deleted
-
-  WebAccessibility tree2_grandchild0;
-  tree2_grandchild0.id = 9;
-  tree2_grandchild0.name = UTF8ToUTF16("GrandChild0");
-  tree2_grandchild0.role = WebAccessibility::ROLE_BUTTON;
-  tree2_grandchild0.state = 0;
-
-  WebAccessibility tree2_child0;
-  tree2_child0.id = 10;
-  tree2_child0.name = UTF8ToUTF16("Child0");
-  tree2_child0.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child0.state = 0;
-  tree2_child0.children.push_back(tree2_grandchild0);
-
-  WebAccessibility tree2_grandchild1;
-  tree2_grandchild1.id = 4;
-  tree2_grandchild1.name = UTF8ToUTF16("GrandChild1");
-  tree2_grandchild1.role = WebAccessibility::ROLE_BUTTON;
-  tree2_grandchild1.state = 0;
-
-  WebAccessibility tree2_child1;
-  tree2_child1.id = 3;
-  tree2_child1.name = UTF8ToUTF16("Child1");
-  tree2_child1.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child1.state = 0;
-  tree2_child1.children.push_back(tree2_grandchild1);
-
-  WebAccessibility tree2_grandchild2;
-  tree2_grandchild2.id = 6;
-  tree2_grandchild2.name = UTF8ToUTF16("GrandChild1");
-  tree2_grandchild2.role = WebAccessibility::ROLE_BUTTON;
-  tree2_grandchild2.state = 0;
-
-  WebAccessibility tree2_child2;
-  tree2_child2.id = 5;
-  tree2_child2.name = UTF8ToUTF16("Child2");
-  tree2_child2.role = WebAccessibility::ROLE_BUTTON;
-  tree2_child2.state = 0;
-  tree2_child2.children.push_back(tree2_grandchild2);
-
-  WebAccessibility tree2_container;
-  tree2_container.id = 2;
-  tree2_container.name = UTF8ToUTF16("Container");
-  tree2_container.role = WebAccessibility::ROLE_GROUP;
-  tree2_container.state = 0;
-  tree2_container.children.push_back(tree2_child0);
-  tree2_container.children.push_back(tree2_child1);
-  tree2_container.children.push_back(tree2_child2);
-
-  WebAccessibility tree2_root;
-  tree2_root.id = 1;
-  tree2_root.name = UTF8ToUTF16("Document");
-  tree2_root.role = WebAccessibility::ROLE_DOCUMENT;
-  tree2_root.state = 0;
-  tree2_root.children.push_back(tree2_container);
-
-  // Construct a BrowserAccessibilityManager with tree1.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          NULL,
-          tree1_root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(8, CountedBrowserAccessibility::global_obj_count_);
-
-  // Save references to some objects.
-  CountedBrowserAccessibility* root_accessible =
-      static_cast<CountedBrowserAccessibility*>(manager->GetRoot());
-  root_accessible->NativeAddReference();
-  CountedBrowserAccessibility* container_accessible =
-      static_cast<CountedBrowserAccessibility*>(root_accessible->GetChild(0));
-  container_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child2_accessible =
-      static_cast<CountedBrowserAccessibility*>(
-          container_accessible->GetChild(1));
-  child2_accessible->NativeAddReference();
-  CountedBrowserAccessibility* child3_accessible =
-      static_cast<CountedBrowserAccessibility*>(
-          container_accessible->GetChild(2));
-  child3_accessible->NativeAddReference();
-
-  // Check the index in parent.
-  EXPECT_EQ(1, child2_accessible->index_in_parent());
-  EXPECT_EQ(2, child3_accessible->index_in_parent());
-
-  // Process a notification containing the changed subtree rooted at
-  // the container.
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> params;
-  params.push_back(ViewHostMsg_AccessibilityNotification_Params());
-  ViewHostMsg_AccessibilityNotification_Params* msg = &params[0];
-  msg->notification_type = ViewHostMsg_AccEvent::CHILDREN_CHANGED;
-  msg->acc_tree = tree2_container;
-  msg->includes_children = true;
-  msg->id = tree2_container.id;
-  manager->OnAccessibilityNotifications(params);
-
-  // There should be 9 objects now: the 8 from the new tree, plus the
-  // reference to child3 we kept.
-  EXPECT_EQ(9, CountedBrowserAccessibility::global_obj_count_);
-
-  // Check that our references to the root and container and child2 are
-  // still valid, but that the reference to child3 is now invalid.
-  EXPECT_TRUE(root_accessible->instance_active());
-  EXPECT_TRUE(container_accessible->instance_active());
-  EXPECT_TRUE(child2_accessible->instance_active());
-  EXPECT_FALSE(child3_accessible->instance_active());
-
-  // Ensure that we retain the parent of the detached subtree.
-  EXPECT_EQ(root_accessible, container_accessible->parent());
-  EXPECT_EQ(0, container_accessible->index_in_parent());
-
-  // Check that the index in parent has been updated.
-  EXPECT_EQ(2, child2_accessible->index_in_parent());
-
-  // Release our references. The object count should only decrease by 1
-  // for child3.
-  root_accessible->NativeReleaseReference();
-  container_accessible->NativeReleaseReference();
-  child2_accessible->NativeReleaseReference();
-  child3_accessible->NativeReleaseReference();
-
-  EXPECT_EQ(8, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and make sure all memory is cleaned up.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST(BrowserAccessibilityManagerTest, TestMoveChildUp) {
-  // Tree 1:
-  //
-  // 1
-  //   2
-  //   3
-  //     4
-
-  WebAccessibility tree1_4;
-  tree1_4.id = 4;
-  tree1_4.state = 0;
-
-  WebAccessibility tree1_3;
-  tree1_3.id = 3;
-  tree1_3.state = 0;
-  tree1_3.children.push_back(tree1_4);
-
-  WebAccessibility tree1_2;
-  tree1_2.id = 2;
-  tree1_2.state = 0;
-
-  WebAccessibility tree1_1;
-  tree1_1.id = 1;
-  tree1_1.state = 0;
-  tree1_1.children.push_back(tree1_2);
-  tree1_1.children.push_back(tree1_3);
-
-  // Tree 2:
-  //
-  // 1
-  //   4    <-- moves up a level and gains child
-  //     6  <-- new
-  //   5    <-- new
-
-  WebAccessibility tree2_6;
-  tree2_6.id = 6;
-  tree2_6.state = 0;
-
-  WebAccessibility tree2_5;
-  tree2_5.id = 5;
-  tree2_5.state = 0;
-
-  WebAccessibility tree2_4;
-  tree2_4.id = 4;
-  tree2_4.state = 0;
-  tree2_4.children.push_back(tree2_6);
-
-  WebAccessibility tree2_1;
-  tree2_1.id = 1;
-  tree2_1.state = 0;
-  tree2_1.children.push_back(tree2_4);
-  tree2_1.children.push_back(tree2_5);
-
-  // Construct a BrowserAccessibilityManager with tree1.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          NULL,
-          tree1_1,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(4, CountedBrowserAccessibility::global_obj_count_);
-
-  // Process a notification containing the changed subtree.
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> params;
-  params.push_back(ViewHostMsg_AccessibilityNotification_Params());
-  ViewHostMsg_AccessibilityNotification_Params* msg = &params[0];
-  msg->notification_type = ViewHostMsg_AccEvent::CHILDREN_CHANGED;
-  msg->acc_tree = tree2_1;
-  msg->includes_children = true;
-  msg->id = tree2_1.id;
-  manager->OnAccessibilityNotifications(params);
-
-  // There should be 4 objects now.
-  EXPECT_EQ(4, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and make sure all memory is cleaned up.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST(BrowserAccessibilityManagerTest, TestCreateEmptyDocument) {
-  // Try creating an empty document with busy state.
-  scoped_ptr<BrowserAccessibilityManager> manager;
-  manager.reset(BrowserAccessibilityManager::CreateEmptyDocument(
-      NULL,
-      WebAccessibility::STATE_BUSY,
-      NULL,
-      new CountedBrowserAccessibilityFactory()));
-
-  // Verify the root is as we expect by default.
-  BrowserAccessibility* root = manager->GetRoot();
-  EXPECT_EQ(0, root->renderer_id());
-  EXPECT_EQ(WebAccessibility::ROLE_ROOT_WEB_AREA, root->role());
-  EXPECT_EQ(WebAccessibility::STATE_BUSY, root->state());
-
-  // Tree with a child textfield.
-  WebAccessibility tree1_1;
-  tree1_1.id = 1;
-  tree1_1.role = WebAccessibility::ROLE_ROOT_WEB_AREA;
-
-  WebAccessibility tree1_2;
-  tree1_2.id = 2;
-  tree1_2.role = WebAccessibility::ROLE_TEXT_FIELD;
-
-  tree1_1.children.push_back(tree1_2);
-
-  // Process a load complete.
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> params;
-  params.push_back(ViewHostMsg_AccessibilityNotification_Params());
-  ViewHostMsg_AccessibilityNotification_Params* msg = &params[0];
-  msg->notification_type = ViewHostMsg_AccEvent::LOAD_COMPLETE;
-  msg->acc_tree = tree1_1;
-  msg->includes_children = true;
-  msg->id = tree1_1.id;
-  manager->OnAccessibilityNotifications(params);
-
-  // Save for later comparison.
-  BrowserAccessibility* acc1_2 = manager->GetFromRendererID(2);
-
-  // Verify the root has changed.
-  EXPECT_NE(root, manager->GetRoot());
-
-  // And the proper child remains.
-  EXPECT_EQ(WebAccessibility::ROLE_TEXT_FIELD, acc1_2->role());
-  EXPECT_EQ(2, acc1_2->renderer_id());
-
-  // Tree with a child button.
-  WebAccessibility tree2_1;
-  tree2_1.id = 1;
-  tree2_1.role = WebAccessibility::ROLE_ROOT_WEB_AREA;
-
-  WebAccessibility tree2_2;
-  tree2_2.id = 3;
-  tree2_2.role = WebAccessibility::ROLE_BUTTON;
-
-  tree2_1.children.push_back(tree2_2);
-
-  msg->acc_tree = tree2_1;
-  msg->includes_children = true;
-  msg->id = tree2_1.id;
-
-  // Fire another load complete.
-  manager->OnAccessibilityNotifications(params);
-
-  BrowserAccessibility* acc2_2 = manager->GetFromRendererID(3);
-
-  // Verify the root has changed.
-  EXPECT_NE(root, manager->GetRoot());
-
-  // And the new child exists.
-  EXPECT_EQ(WebAccessibility::ROLE_BUTTON, acc2_2->role());
-  EXPECT_EQ(3, acc2_2->renderer_id());
-
-  // Ensure we properly cleaned up.
-  manager.reset();
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}