Enable MarkNonSecureAs experiment on waterfall

chrome/browser/ssl/security_state_tab_helper_browser_tests.cc

 // Copyright 2015 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/ssl/security_state_tab_helper.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/strings/string_split.h"
@@ skipping 263 matching lines @@
 class SecurityStateTabHelperTest : public CertVerifierBrowserTest {
  public:
   SecurityStateTabHelperTest()
       : https_server_(net::EmbeddedTestServer::TYPE_HTTPS) {
     https_server_.ServeFilesFromSourceDirectory(base::FilePath(kDocRoot));
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     // Browser will both run and display insecure content.
     command_line->AppendSwitch(switches::kAllowRunningInsecureContent);
+    command_line->AppendSwitchASCII(
+        security_state::switches::kMarkHttpAs,
+        security_state::switches::kMarkHttpAsNeutral);
   }
 
  protected:
   void SetUpMockCertVerifierForHttpsServer(net::CertStatus cert_status,
                                            int net_result) {
     scoped_refptr<net::X509Certificate> cert(https_server_.GetCertificate());
     net::CertVerifyResult verify_result;
     verify_result.is_issued_by_known_root = true;
     verify_result.verified_cert = cert;
     verify_result.cert_status = cert_status;
@@ skipping 1716 matching lines @@
   SecurityStateTabHelper* helper =
       SecurityStateTabHelper::FromWebContents(web_contents);
   ASSERT_TRUE(helper);
   security_state::SecurityInfo security_info;
   helper->GetSecurityInfo(&security_info);
   EXPECT_EQ(security_state::SECURE, security_info.security_level);
   EXPECT_EQ(kTestSCTStatuses, security_info.sct_verify_statuses);
 }
 
 }  // namespace