Expose html placeholder attribute as AXPlaceholder: <value> on MAC.

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"
@@ skipping 542 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityDl) {
   RunHtmlTest(FILE_PATH_LITERAL("dl.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityDt) {
   RunHtmlTest(FILE_PATH_LITERAL("dt.html"));
 }
 
-#if defined(OS_ANDROID)
-// Flaky on Nexus 7 bot, http://crbug.com/445929.
-#define MAYBE_AccessibilityContenteditableDescendants \
-    DISABLED_AccessibilityContenteditableDescendants
-#else
-#define MAYBE_AccessibilityContenteditableDescendants \
-    AccessibilityContenteditableDescendants
-#endif
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
-                       MAYBE_AccessibilityContenteditableDescendants) {
+                       AccessibilityContenteditableDescendants) {
   RunHtmlTest(FILE_PATH_LITERAL("contenteditable-descendants.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityEm) {
   RunHtmlTest(FILE_PATH_LITERAL("em.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityEmbed) {
   RunHtmlTest(FILE_PATH_LITERAL("embed.html"));
 }
@@ skipping 401 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityVar) {
   RunHtmlTest(FILE_PATH_LITERAL("var.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
   RunHtmlTest(FILE_PATH_LITERAL("wbr.html"));
 }
 
 }  // namespace content