[Sheriff] Disable WebViewTest.Shim_TestPerViewZoomMode

Bug: 935665
Tbr: fsamuel@chromium.org
Change-Id: I96afe7230617c4399c8aa992cd56aae4be4c0209
NoTry: True
Reviewed-on: https://chromium-review.googlesource.com/c/1487179Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635208}

chrome/browser/apps/guest_view/web_view_browsertest.cc

@@ -3361,7 +3361,8 @@ IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestPerOriginZoomMode) {
   TestHelper("testPerOriginZoomMode", "web_view/shim", NO_TEST_SERVER);
 }
 
-IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestPerViewZoomMode) {
+// TODO(crbug.com/935665): Test has flaky failures on all platforms.
+IN_PROC_BROWSER_TEST_F(WebViewTest, DISABLED_Shim_TestPerViewZoomMode) {
   TestHelper("testPerViewZoomMode", "web_view/shim", NO_TEST_SERVER);
 }