Add Accessibility Object Model to content features, and add a browser test.

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/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 "base/test/scoped_feature_list.h"
 #include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "content/browser/accessibility/accessibility_tree_formatter.h"
 #include "content/browser/accessibility/accessibility_tree_formatter_blink.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/dump_accessibility_browsertest_base.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/content_features.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/accessibility_browser_test_utils.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
@@ skipping 40 matching lines @@
     base::FilePath test_path = GetTestFilePath("accessibility", "aria");
     {
       base::ThreadRestrictions::ScopedAllowIO allow_io_for_test_setup;
       ASSERT_TRUE(base::PathExists(test_path)) << test_path.LossyDisplayName();
     }
     base::FilePath aria_file = test_path.Append(base::FilePath(file_path));
 
     RunTest(aria_file, "accessibility/aria");
   }
 
+  void RunAomTest(const base::FilePath::CharType* file_path) {
+    scoped_feature_list_.InitAndEnableFeature(
+        features::kAccessibilityObjectModel);
+
+    base::FilePath test_path = GetTestFilePath("accessibility", "aom");
+    {
+      base::ThreadRestrictions::ScopedAllowIO allow_io_for_test_setup;
+      ASSERT_TRUE(base::PathExists(test_path)) << test_path.LossyDisplayName();
+    }
+    base::FilePath aom_file = test_path.Append(base::FilePath(file_path));
+
+    RunTest(aom_file, "accessibility/aom");
+  }
+
   void RunCSSTest(const base::FilePath::CharType* file_path) {
     base::FilePath test_path = GetTestFilePath("accessibility", "css");
     {
       base::ThreadRestrictions::ScopedAllowIO allow_io_for_test_setup;
       ASSERT_TRUE(base::PathExists(test_path)) << test_path.LossyDisplayName();
     }
     base::FilePath css_file = test_path.Append(base::FilePath(file_path));
 
     RunTest(css_file, "accessibility/css");
   }
@@ skipping 17 matching lines @@
     WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
         shell()->web_contents());
     formatter->FormatAccessibilityTree(
         web_contents->GetRootBrowserAccessibilityManager()->GetRoot(),
         &actual_contents_utf16);
     std::string actual_contents = base::UTF16ToUTF8(actual_contents_utf16);
     return base::SplitString(
         actual_contents, "\n",
         base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
   }
+
+ protected:
+  base::test::ScopedFeatureList scoped_feature_list_;
 };
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityCSSColor) {
   RunCSSTest(FILE_PATH_LITERAL("color.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityCSSFontStyle) {
   RunCSSTest(FILE_PATH_LITERAL("font-style.html"));
 }
 
@@ skipping 34 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityANoText) {
   RunHtmlTest(FILE_PATH_LITERAL("a-no-text.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAOnclick) {
   RunHtmlTest(FILE_PATH_LITERAL("a-onclick.html"));
 }
 
+IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAomChecked) {
+  RunAomTest(FILE_PATH_LITERAL("aom-checked.html"));
+}
+
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityAriaActivedescendant) {
   RunAriaTest(FILE_PATH_LITERAL("aria-activedescendant.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAriaAlert) {
   RunAriaTest(FILE_PATH_LITERAL("aria-alert.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
@@ skipping 1272 matching lines @@
 // crbug.com/281952
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, DISABLED_AccessibilityVideo) {
   RunHtmlTest(FILE_PATH_LITERAL("video.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
   RunHtmlTest(FILE_PATH_LITERAL("wbr.html"));
 }
 
 }  // namespace content