Disable flaky ExtensionApiTest.Debugger on Linux and Chrome OS.

BUG=380082
TBR=kaznacheev
R=kaznacheev
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/314643003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274451 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/debugger/debugger_apitest.cc

@@ -6,8 +6,9 @@
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/common/chrome_switches.h"
 
-// Debugger is flaky on browser_tests on Windows: crbug.com/234166.
-#if defined(OS_WIN)
+// Debugger is flaky on browser_tests on Windows, Linux, and Chrome OS:
+// crbug.com/234166.
+#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
 #define MAYBE(x) DISABLED_##x
 #else
 #define MAYBE(x) x