Disabled falky ExtensionStorageMonitorTest.TwoHostedAppsInSameOrigin

TBR=nasko@chromium.org,nick@chromium.org,rdevlin.cronin@chromium.org

Bug: 799022
Change-Id: I7db594de0aaaecda8d3d7f0bcd8cf8ea16abb3c9
Reviewed-on: https://chromium-review.googlesource.com/850393Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Dominic Battré <battre@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526973}

chrome/browser/extensions/extension_storage_monitor_browsertest.cc

@@ -383,7 +383,9 @@ IN_PROC_BROWSER_TEST_F(ExtensionStorageMonitorTest,
 // Exercises the case where two hosted apps are same-origin but have non-
 // overlapping extents. Disabling one should not suppress storage monitoring for
 // the other.
-IN_PROC_BROWSER_TEST_F(ExtensionStorageMonitorTest, TwoHostedAppsInSameOrigin) {
+// Disabled for flakiness. crbug.com/799022
+IN_PROC_BROWSER_TEST_F(ExtensionStorageMonitorTest,
+                       DISABLED_TwoHostedAppsInSameOrigin) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   GURL url1 = embedded_test_server()->GetURL(