Add option to not dump childrens of a node in AX Tree.

content/browser/accessibility/dump_accessibility_tree_browsertest.cc

Index: content/browser/accessibility/dump_accessibility_tree_browsertest.cc
diff --git a/content/browser/accessibility/dump_accessibility_tree_browsertest.cc b/content/browser/accessibility/dump_accessibility_tree_browsertest.cc
index 5262bac174809429d4891c11ce4e5c15e65e2132..a76878e58758c2688ef5ece035d9aedc4bd4b583 100644
--- a/content/browser/accessibility/dump_accessibility_tree_browsertest.cc
+++ b/content/browser/accessibility/dump_accessibility_tree_browsertest.cc
@@ -693,11 +693,6 @@ IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputDateTime) {
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityInputDateTimeLocal) {
-#if defined(OS_MACOSX)
-  // Fails on OS X 10.9 <https://crbug.com/430622>.
-  if (base::mac::IsOSMavericks())
-    return;
-#endif
   RunHtmlTest(FILE_PATH_LITERAL("input-datetime-local.html"));
 }
 
@@ -710,17 +705,9 @@ IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
   RunHtmlTest(FILE_PATH_LITERAL("input-image-button-in-menu.html"));
 }
 
-// crbug.com/423675 - AX tree is different for Win7 and Win8.
-#if defined(OS_WIN)
-IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
-                       DISABLED_AccessibilityInputMonth) {
-  RunHtmlTest(FILE_PATH_LITERAL("input-month.html"));
-}
-#else
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputMonth) {
   RunHtmlTest(FILE_PATH_LITERAL("input-month.html"));
 }
-#endif
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputRadio) {
   RunHtmlTest(FILE_PATH_LITERAL("input-radio.html"));