Disabling flaky test: DetachToBrowserTabDragControllerTest.DeleteTabsWhileDetached

TBR: tbergquist@chromium.org
Bug: 1031801
Change-Id: I56cb5803628e2d25527eec047d03779b2e631028
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2023193Reviewed-by: Joe Downing <joedow@chromium.org>
Commit-Queue: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735562}

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

@@ -1849,8 +1849,14 @@ void CloseTabsWhileDetachedStep2(const BrowserList* browser_list) {
 
 // Selects 2 tabs out of 4, drags them out and closes the new browser window
 // while dragging tabs.
+#if (defined(OS_WIN) || defined(OS_MACOSX))
+// TODO(crbug.com/1031801) Test is flaky on Windows and Mac.
+#define MAYBE_DeleteTabsWhileDetached DISABLED_DeleteTabsWhileDetached
+#else
+#define MAYBE_DeleteTabsWhileDetached DeleteTabsWhileDetached
+#endif
 IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
-                       DeleteTabsWhileDetached) {
+                       MAYBE_DeleteTabsWhileDetached) {
   AddTabsAndResetBrowser(browser(), 3);
   TabStrip* tab_strip = GetTabStripForBrowser(browser());
   EXPECT_EQ("0 1 2 3", IDString(browser()->tab_strip_model()));