Disable OverlappingContinueSessionRestore on ChromeOS

TBR=msramek@chromium.org
NOTRY=true

Bug: 736345
Change-Id: I74ec229f350a540aa6641d8e0b53c36b4af4498e
Reviewed-on: https://chromium-review.googlesource.com/545615Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#481870}

chrome/browser/chromeos/login/signin/oauth2_browsertest.cc

@@ -538,8 +538,15 @@ IN_PROC_BROWSER_TEST_F(OAuth2Test, PRE_OverlappingContinueSessionRestore) {
   StartNewUserSession(true);
 }
 
+#if defined(OS_CHROMEOS)
+#define MAYBE_OverlappingContinueSessionRestore \
+  DISABLED_OverlappingContinueSessionRestore
+#else
+#define MAYBE_OverlappingContinueSessionRestore \
+  OverlappingContinueSessionRestore
+#endif
 // Tests that ContinueSessionRestore could be called multiple times.
-IN_PROC_BROWSER_TEST_F(OAuth2Test, OverlappingContinueSessionRestore) {
+IN_PROC_BROWSER_TEST_F(OAuth2Test, MAYBE_OverlappingContinueSessionRestore) {
   SetupGaiaServerForUnexpiredAccount();
   SimulateNetworkOnline();