Disabled crashing ash tests.

TBR=sky@chromium.org

Bug: 1021936
Change-Id: I2dfe645c929676c3e11ef0e280b218865e91c049
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900573Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Joshua Pawlicki <waffles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713019}

chrome/browser/ui/ash/overview_window_drag_interactive_uitest.cc

@@ -122,7 +122,8 @@ class OverviewWindowDragTest
   DISALLOW_COPY_AND_ASSIGN(OverviewWindowDragTest);
 };
 
-IN_PROC_BROWSER_TEST_P(OverviewWindowDragTest, NormalDrag) {
+// Flakily crashes (likely use-after-free). crbug.com/1021936
+IN_PROC_BROWSER_TEST_P(OverviewWindowDragTest, DISABLED_NormalDrag) {
   BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
   aura::Window* browser_window = browser_view->GetWidget()->GetNativeWindow();
   ui_controls::SendKeyPress(browser_window, ui::VKEY_MEDIA_LAUNCH_APP1,

chrome/browser/ui/ash/screen_rotation_interactive_uitest.cc

@@ -154,7 +154,8 @@ IN_PROC_BROWSER_TEST_P(ScreenRotationTest, MAYBE_RotateInTablet) {
   waiter.Wait();
 }
 
-IN_PROC_BROWSER_TEST_P(ScreenRotationTest, RotateInTabletOverview) {
+// Flakily crashes. - crbug.com/1021936
+IN_PROC_BROWSER_TEST_P(ScreenRotationTest, DISABLED_RotateInTabletOverview) {
   // Browser window is used just to identify display.
   BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
   gfx::NativeWindow browser_window =