Disable flaky LauncherPageSwitchesTest on CrOS

Bug: 981281
Change-Id: I633a9876c0ddcd3102e22c1d50c29715945e8ae0
TBR: oshima@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1686670Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Commit-Queue: Guido Urdaneta <guidou@chromium.org>
Cr-Commit-Position: refs/heads/master@{#674775}

chrome/browser/ui/ash/launcher_page_switches_interactive_uitest.cc

@@ -8,6 +8,7 @@
 #include "ash/public/cpp/test/shell_test_api.h"
 #include "base/run_loop.h"
 #include "base/task/post_task.h"
+#include "build/build_config.h"
 #include "chrome/browser/ui/app_list/test/chrome_app_list_test_support.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ -91,7 +92,13 @@ class LauncherPageSwitchesTest : public UIPerformanceTest,
   DISALLOW_COPY_AND_ASSIGN(LauncherPageSwitchesTest);
 };
 
-IN_PROC_BROWSER_TEST_P(LauncherPageSwitchesTest, SwitchToNextPage) {
+// Flaky on CrOS. See https://crbug.com/981281
+#if defined(OS_CHROMEOS)
+#define MAYBE_SwitchToNextPage DISABLED_SwitchToNextPage
+#else
+#define MAYBE_SwitchToNextPage SwitchToNextPage
+#endif
+IN_PROC_BROWSER_TEST_P(LauncherPageSwitchesTest, MAYBE_SwitchToNextPage) {
   ash::PaginationModel* model = ash::ShellTestApi().GetAppListPaginationModel();
   ASSERT_TRUE(model);
   EXPECT_LT(1, model->total_pages());
@@ -102,7 +109,13 @@ IN_PROC_BROWSER_TEST_P(LauncherPageSwitchesTest, SwitchToNextPage) {
   waiter.Wait();
 }
 
-IN_PROC_BROWSER_TEST_P(LauncherPageSwitchesTest, SwitchToFarPage) {
+// Flaky on CrOS. See https://crbug.com/981281
+#if defined(OS_CHROMEOS)
+#define MAYBE_SwitchToFarPage DISABLED_SwitchToFarPage
+#else
+#define MAYBE_SwitchToFarPage SwitchToFarPage
+#endif
+IN_PROC_BROWSER_TEST_P(LauncherPageSwitchesTest, MAYBE_SwitchToFarPage) {
   ash::PaginationModel* model = ash::ShellTestApi().GetAppListPaginationModel();
   ASSERT_TRUE(model);
   EXPECT_LT(2, model->total_pages());