[sheriff] Disable...

[sheriff] Disable ProactivelySwapBrowsingInstancesSameSiteTest.StorageModificationAfterPagehideHistogram

This is flaky on all major platforms.

TBR=eirage@chromium.org
NOTRY=true

Bug: 1156218
Change-Id: Ic8893aad0a1e1b1c55f1ae7c6220d17e7b03b5d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2637075Reviewed-by: Xida Chen <xidachen@chromium.org>
Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844789}

content/browser/renderer_host/render_frame_host_manager_browsertest.cc

@@ -7750,17 +7750,9 @@ IN_PROC_BROWSER_TEST_P(ProactivelySwapBrowsingInstancesSameSiteTest,
   }
 }
 
-#if BUILDFLAG(IS_CHROMEOS_ASH) || defined(OS_ANDROID)
-// Quite flaky: https://crbug.com/1156218
-#define MAYBE_StorageModificationAfterPagehideHistogram \
-  DISABLED_StorageModificationAfterPagehideHistogram
-#else
-#define MAYBE_StorageModificationAfterPagehideHistogram \
-  StorageModificationAfterPagehideHistogram
-#endif
-
+// Flaky on all major platforms: https://crbug.com/1156218
 IN_PROC_BROWSER_TEST_P(ProactivelySwapBrowsingInstancesSameSiteTest,
-                       MAYBE_StorageModificationAfterPagehideHistogram) {
+                       DISABLED_StorageModificationAfterPagehideHistogram) {
   ASSERT_TRUE(embedded_test_server()->Start());
   GURL url_a1(embedded_test_server()->GetURL("a.com", "/title1.html"));
   GURL url_a2(embedded_test_server()->GetURL("a.com", "/title2.html"));