Disable HandsOffNetworkScreenTest.RequiresNoInput on Chrome OS.

chrome/browser/chromeos/login/screens/network_screen_browsertest.cc

Index: chrome/browser/chromeos/login/screens/network_screen_browsertest.cc
diff --git a/chrome/browser/chromeos/login/screens/network_screen_browsertest.cc b/chrome/browser/chromeos/login/screens/network_screen_browsertest.cc
index a0e2a797a480910b5d3903d2baa65ed0cfdeb366..dad70bcd8202ed93187059e62137110611ea03ae 100644
--- a/chrome/browser/chromeos/login/screens/network_screen_browsertest.cc
+++ b/chrome/browser/chromeos/login/screens/network_screen_browsertest.cc
@@ -180,7 +180,13 @@ class HandsOffNetworkScreenTest : public NetworkScreenTest {
   DISALLOW_COPY_AND_ASSIGN(HandsOffNetworkScreenTest);
 };
 
-IN_PROC_BROWSER_TEST_F(HandsOffNetworkScreenTest, RequiresNoInput) {
+#if defined(OS_CHROMEOS)
+// Flaky on ChromeOS. See https://crbug.com/674782.
+#define MAYBE_RequiresNoInput DISABLED_RequiresNoInput
+#else
+#define MAYBE_RequiresNoInput RequiresNoInput
+#endif
+IN_PROC_BROWSER_TEST_F(HandsOffNetworkScreenTest, MAYBE_RequiresNoInput) {
   WizardController* wizard_controller = WizardController::default_controller();
 
   // Allow the WizardController to advance throught the enrollment flow.