Disable CrSettingsMainPageTest.All on Linux (flaky)

chrome/test/data/webui/settings/cr_settings_browsertest.js

Index: chrome/test/data/webui/settings/cr_settings_browsertest.js
diff --git a/chrome/test/data/webui/settings/cr_settings_browsertest.js b/chrome/test/data/webui/settings/cr_settings_browsertest.js
index 7dcce60ed96aaa9eaf76d0fa1afa8fbd0a148e04..ffe41d4eb29ffe17dc10e9cf2260ffeb87778e85 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -936,7 +936,8 @@ TEST_F('CrSettingsRouteDynamicParametersTest', 'MAYBE_All', function() {
 });
 
 // Times out on Windows Tests (dbg). See https://crbug.com/651296.
-GEN('#if defined(OS_WIN) || defined(OS_CHROMEOS)');
+// Times out / crashes on chromium.linux/Linux Tests (dbg) crbug.com/667882
+GEN('#if defined(OS_WIN) || defined(OS_CHROMEOS) || defined(OS_LINUX)');
 GEN('#define MAYBE_MainPage_All DISABLED_All');
 GEN('#else');
 GEN('#define MAYBE_MainPage_All All');