Disable all the browser_tests that are flaking more than 5% of the time on trybots.

chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm

Index: chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm
diff --git a/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm b/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm
index a7d38a609be0926539f74fad31236dd45cca69cb..9eb145bbd4194ce2a333a23c123d8a99273736f4 100644
--- a/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm
+++ b/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm
@@ -586,8 +586,9 @@ IN_PROC_BROWSER_TEST_F(ChromeRenderWidgetHostViewMacHistorySwiperTest,
 
 // Each movement event that has non-zero parameters has both horizontal and
 // vertical motion. This should not trigger history navigation.
+// http://crbug.com/396328
 IN_PROC_BROWSER_TEST_F(ChromeRenderWidgetHostViewMacHistorySwiperTest,
-                       TestAllDiagonalSwipes) {
+                       DISABLED_TestAllDiagonalSwipes) {
   if (!IsHistorySwipingSupported())
     return;