Disable HandsOffNetworkScreenTest.RequiresNoInput on Chrome OS.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/screens/network_screen.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 162 matching lines @@
  private:
   // Overridden from InProcessBrowserTest:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitchASCII(
         switches::kEnterpriseEnableZeroTouchEnrollment, "hands-off");
   }
 
   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.
   network_screen_->base_screen_delegate_ = wizard_controller;
 
   // Simulate a network connection.
   EXPECT_CALL(*mock_network_state_helper_, IsConnected())
       .Times(AnyNumber())
       .WillRepeatedly((Return(true)));
   network_screen_->UpdateStatus();
@@ skipping 31 matching lines @@
       "}"
       "SendReplyIfEnrollmentDone();",
       &done));
 
   // Reset the enrollment helper so there is no side effect with other tests.
   static_cast<EnrollmentScreen*>(wizard_controller->current_screen())
       ->enrollment_helper_.reset();
 }
 
 }  // namespace chromeos