Disable DOMStorageBrowserTest.DataPersists on Linux.

Fails on linux-chromeos-rel.

BUG: 1027940,1000959
TBR=rockot@chromium.org

Change-Id: Ia973627fc1fae89e00c875d9cb6d08ce3ee17736
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1932660Reviewed-by: Tim Schumann <tschumann@chromium.org>
Commit-Queue: Tim Schumann <tschumann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#718481}

content/browser/dom_storage/dom_storage_browsertest.cc

@@ -107,7 +107,8 @@ IN_PROC_BROWSER_TEST_F(DOMStorageBrowserTest, SanityCheckIncognito) {
 }
 
 // http://crbug.com/654704 PRE_ tests aren't supported on Android.
-#if defined(OS_ANDROID)
+// Also crbug/1027940: Fails on linux-chromeos-rel.
+#if defined(OS_ANDROID) || defined(OS_LINUX)
 #define MAYBE_DataPersists DISABLED_DataPersists
 #else
 #define MAYBE_DataPersists DataPersists