Disable MediaGalleriesPrivateApiTest.DeviceAttachDetachEvents on Linux official bot.

BUG=315276

Review URL: https://codereview.chromium.org/61283002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233538 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/media_galleries_private/media_galleries_private_apitest.cc

@@ -106,7 +106,14 @@ class MediaGalleriesPrivateApiTest : public ExtensionApiTest {
   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesPrivateApiTest);
 };
 
-IN_PROC_BROWSER_TEST_F(MediaGalleriesPrivateApiTest, DeviceAttachDetachEvents) {
+// Fails on official Linux bot. See http://crbug.com/315276
+#if defined(GOOGLE_CHROME_BUILD) && defined(OS_LINUX)
+#define MAYBE_DeviceAttachDetachEvents DISABLED_DeviceAttachDetachEvents
+#else
+#define MAYBE_DeviceAttachDetachEvents DeviceAttachDetachEvents
+#endif
+IN_PROC_BROWSER_TEST_F(MediaGalleriesPrivateApiTest,
+                       MAYBE_DeviceAttachDetachEvents) {
   // Setup.
   TestStorageMonitor::SyncInitialize();
   const extensions::Extension* extension =