[Sheriff] Disable CustomTabBarViewBrowserTest.IsNotCreatedInPopup on CrOS

Test is flaky on CrOS

TBR=reillyg@chromium.org

Bug: 1113831
Change-Id: I8b0c5cf2d29cd5c1396e26f7e4c46ca0ea9bfea6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2341149
Commit-Queue: Fabio Tirelo <ftirelo@chromium.org>
Reviewed-by: Fabio Tirelo <ftirelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#795574}

chrome/browser/ui/views/location_bar/custom_tab_bar_view_browsertest.cc

@@ -250,7 +250,13 @@ IN_PROC_BROWSER_TEST_P(CustomTabBarViewBrowserTest,
 }
 
 // Check the custom tab bar is not instantiated for a popup window.
-IN_PROC_BROWSER_TEST_P(CustomTabBarViewBrowserTest, IsNotCreatedInPopup) {
+#if defined(OS_CHROMEOS)
+// TODO(http://crbug.com/1113821): flaky on ChromeOS.
+#define MAYBE_IsNotCreatedInPopup DISABLED_IsNotCreatedInPopup
+#else
+#define MAYBE_IsNotCreatedInPopup IsNotCreatedInPopup
+#endif
+IN_PROC_BROWSER_TEST_P(CustomTabBarViewBrowserTest, MAYBE_IsNotCreatedInPopup) {
   Browser* popup = OpenPopup(browser_view_->GetActiveWebContents(),
                              GURL("http://example.com"));
   EXPECT_TRUE(popup);