Implemented SetSelection for the Web content on Windows.

content/browser/accessibility/browser_accessibility_win_unittest.cc

 // Copyright (c) 2012 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 "content/browser/accessibility/browser_accessibility_win.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 1258 matching lines @@
   EXPECT_EQ(S_OK, hr);
   EXPECT_EQ(0, n_selections);
   hr = text_field_accessible->get_nSelections(&n_selections);
   EXPECT_EQ(S_OK, hr);
   EXPECT_EQ(1, n_selections);
 
   // Test get_selection.
   hr = combo_box_accessible->get_selection(
       0L /* selection_index */, &selection_start, &selection_end);
   EXPECT_EQ(E_INVALIDARG, hr); // No selections available.
-  // Invalid in_args should not modify out_args.
-  EXPECT_EQ(-2, selection_start);
-  EXPECT_EQ(-2, selection_end);
   hr = text_field_accessible->get_selection(
       0L /* selection_index */, &selection_start, &selection_end);
   EXPECT_EQ(S_OK, hr);
   EXPECT_EQ(1, selection_start);
   EXPECT_EQ(2, selection_end);
 
   manager.reset();
   ASSERT_EQ(0, CountedBrowserAccessibility::num_instances());
 }
 
@@ skipping 1169 matching lines @@
   std::vector<AXEventNotificationDetails> events = {event};
   manager->OnAccessibilityEvents(events);
 
   EXPECT_HRESULT_SUCCEEDED(ax_child1->get_nRelations(&n_relations));
   EXPECT_EQ(2, n_relations);
   EXPECT_HRESULT_SUCCEEDED(ax_child2->get_nRelations(&n_relations));
   EXPECT_EQ(2, n_relations);
 }
 
 }  // namespace content