Disable all the tests that are flaking more than 5% on ChromeOS builders.

chrome/browser/chromeos/net/cert_verify_proc_chromeos_unittest.cc

 // Copyright 2014 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/net/cert_verify_proc_chromeos.h"
 
 #include "crypto/nss_util.h"
 #include "crypto/nss_util_internal.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_data_directory.h"
@@ skipping 268 matching lines @@
 }
 
 class CertVerifyProcChromeOSOrderingTest
     : public CertVerifyProcChromeOSTest,
       public ::testing::WithParamInterface<
           std::tr1::tuple<bool, int, std::string> > {};
 
 // Test a variety of different combinations of (maybe) verifying / (maybe)
 // importing / verifying again, to try to find any cases where caching might
 // affect the results.
-TEST_P(CertVerifyProcChromeOSOrderingTest, TrustThenVerify) {
+// http://crbug.com/396501
+TEST_P(CertVerifyProcChromeOSOrderingTest, DISABLED_TrustThenVerify) {
   const ParamType& param = GetParam();
   const bool verify_first = std::tr1::get<0>(param);
   const int trust_bitmask = std::tr1::get<1>(param);
   const std::string test_order = std::tr1::get<2>(param);
   DVLOG(1) << "verify_first: " << verify_first
            << " trust_bitmask: " << trust_bitmask
            << " test_order: " << test_order;
 
   scoped_refptr<net::X509Certificate> server = certs_1_[0];
   std::string verify_root;
@@ skipping 72 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(
     Variations,
     CertVerifyProcChromeOSOrderingTest,
     ::testing::Combine(
         ::testing::Bool(),
         ::testing::Range(0, 1 << 2),
         ::testing::Values("d12", "d21", "1d2", "12d", "2d1", "21d")));
 
 }  // namespace chromeos