Create only a single LegacyRenderWidgetHostHWND per WebContentsViewAura.

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>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/scoped_bstr.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_variant.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
-#include "content/browser/renderer_host/legacy_render_widget_host_win.h"
+#include "content/browser/accessibility/browser_accessibility_win.h"
 #include "content/common/accessibility_messages.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/win/atl_module.h"
 
 namespace content {
 namespace {
 
 
 // CountedBrowserAccessibility ------------------------------------------------
@@ skipping 1973 matching lines @@
   base::win::ScopedComPtr<IDispatch> result;
   EXPECT_EQ(E_INVALIDARG, ToBrowserAccessibilityWin(child)->get_accChild(
       root_unique_id_variant, result.Receive()));
 
   base::win::ScopedVariant child_unique_id_variant(-child->unique_id());
   EXPECT_EQ(S_OK, ToBrowserAccessibilityWin(root)->get_accChild(
       child_unique_id_variant, result.Receive()));
 }
 
 }  // namespace content