Disable flaky LaunchNavigationBrowserRestartTest.CmdLineURLRestartTes…

…t on chrome bots

Fails at launch_time_navigation_signal_browsertest.cc:176 with

Histogram "Blink.UseCounter.Features" does not have the right number
  of samples (3) in the expected bucket (4572). It has (2).

Bug: 1448030
Cq-Include-Trybots: luci.chrome.try:linux-chrome
Change-Id: Ia87c447cfc9ae6e971dc80bc36e36bf762be1319
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4699482
Reviewed-by: Yulun Wu <yulunwu@chromium.org>
Commit-Queue: Trent Apted <tapted@chromium.org>
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Owners-Override: Yulun Wu <yulunwu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1172137}

chrome/browser/launch_time_navigation_signal/launch_time_navigation_signal_browsertest.cc

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "base/command_line.h"
+#include "build/branding_buildflags.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -308,9 +309,15 @@ IN_PROC_BROWSER_TEST_P(LaunchNavigationBrowserRestartTest,
                             embedded_test_server()));
 }
 
+// Flaky on Chrome bots. See http://crbug.com/1448030.
+#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
+#define MAYBE_CmdLineURLRestartTest DISABLED_CmdLineURLRestartTest
+#else
+#define MAYBE_CmdLineURLRestartTest CmdLineURLRestartTest
+#endif
 // We attempt to restart the browser in this test body.
 IN_PROC_BROWSER_TEST_P(LaunchNavigationBrowserRestartTest,
-                       CmdLineURLRestartTest) {
+                       MAYBE_CmdLineURLRestartTest) {
   const ParamType& test_params = GetParam();
   const size_t expected_initial_tab_count = GetExpectedTabCountFromRestore();
   const bool expect_valid_system_entropy =