Disable MediaRouterUIBrowserTest.OpenDialogsInMultipleTabs on MSAN

Bug: 863945
Change-Id: I1708b8512bea5f86072030a8badb6d09ed261297
NoTry: True
Tbr: takumif@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/1138694Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Reviewed-by: Takumi Fujimoto <takumif@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575352}

chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc

@@ -282,7 +282,15 @@ IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
   SetAlwaysShowActionPref(false);
 }
 
-IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest, OpenDialogsInMultipleTabs) {
+#if defined(MEMORY_SANITIZER)
+// Flaky crashes. crbug.com/863945
+#define MAYBE_OpenDialogsInMultipleTabs DISABLED_OpenDialogsInMultipleTabs
+#else
+#define MAYBE_OpenDialogsInMultipleTabs OpenDialogsInMultipleTabs
+#endif
+  
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
+                       MAYBE_OpenDialogsInMultipleTabs) {
   // Start with two tabs.
   chrome::NewTab(browser());
   ASSERT_EQ(2, browser()->tab_strip_model()->count());