Revert of Revert of Migrate accessibility from RenderView to RenderFrame.

content/browser/accessibility/dump_accessibility_tree_browsertest.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 <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/accessibility/accessibility_tree_formatter.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
+#include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/accessibility_browser_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 142 matching lines @@
   base::string16 html_contents16;
   html_contents16 = base::UTF8ToUTF16(html_contents);
   GURL url = GetTestUrl("accessibility",
                         html_file.BaseName().MaybeAsASCII().c_str());
   AccessibilityNotificationWaiter waiter(
       shell(), AccessibilityModeComplete,
       ui::AX_EVENT_LOAD_COMPLETE);
   NavigateToURL(shell(), url);
   waiter.WaitForNotification();
 
-  RenderWidgetHostViewBase* host_view = static_cast<RenderWidgetHostViewBase*>(
-      shell()->web_contents()->GetRenderWidgetHostView());
+  WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
+      shell()->web_contents());
   AccessibilityTreeFormatter formatter(
-      host_view->GetBrowserAccessibilityManager()->GetRoot());
+      web_contents->GetRootBrowserAccessibilityManager()->GetRoot());
 
   // Parse filters in the test file.
   std::vector<Filter> filters;
   AddDefaultFilters(&filters);
   ParseFilters(html_contents, &filters);
   formatter.SetFilters(filters);
 
   // Perform a diff (or write the initial baseline).
   base::string16 actual_contents_utf16;
   formatter.FormatAccessibilityTree(&actual_contents_utf16);
@@ skipping 344 matching lines @@
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
   RunTest(FILE_PATH_LITERAL("wbr.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityAriaActivedescendant) {
   RunTest(FILE_PATH_LITERAL("aria-activedescendant.html"));
 }
 
 }  // namespace content