Re-enabling the OverscrollScreenshot test on ChromeOS while keeping it disabled

content/browser/web_contents/web_contents_view_aura_browsertest.cc

Index: content/browser/web_contents/web_contents_view_aura_browsertest.cc
diff --git a/content/browser/web_contents/web_contents_view_aura_browsertest.cc b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
index 3fc8b48ee2f5e4199937bdd8cd00a93074f6d840..bdd74817ddb5f5525b0e86487c98f4710a2e3474 100644
--- a/content/browser/web_contents/web_contents_view_aura_browsertest.cc
+++ b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
@@ -383,9 +383,15 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 //  - interactively, when user does an overscroll gesture
 //  - interactively, when user navigates in history without the overscroll
 //    gesture.
-// Flaky (http://crbug.com/357311). Might be related to
+// Flaky on Windows (http://crbug.com/357311). Might be related to
 // OverscrollNavigation test.
-IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, DISABLED_OverscrollScreenshot) {
+// Flaky on Ozone (http://crbug.com/399676).
+#if defined(OS_WIN) || defined(USE_OZONE)
+#define MAYBE_OverscrollScreenshot DISABLED_OverscrollScreenshot
+#else
+#define MAYBE_OverscrollScreenshot OverscrollScreenshot
+#endif
+IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollScreenshot) {
   // Disable the test for WinXP.  See http://crbug/294116.
 #if defined(OS_WIN)
   if (base::win::GetVersion() < base::win::VERSION_VISTA) {