OS_CHROMEOS isn't defined on the Linux views bot.

BUG=NONE
TEST=NONE

Review URL: http://codereview.chromium.org/7062017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86791 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/extension_tabs_apitest.cc

@@ -113,7 +113,7 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_CaptureVisibleTabJpeg) {
 }
 
 // Test is timing out on cros and flaky on others. See http://crbug.com/83876
-#if defined(OS_CHROMEOS)
+#if defined(OS_LINUX) && defined(TOOLKIT_VIEWS)
 #define MAYBE_CaptureVisibleTabPng DISABLED_CaptureVisibleTabPng
 #else
 #define MAYBE_CaptureVisibleTabPng FLAKY_CaptureVisibleTabPng