Revert of Add support for MAC address randomization

chrome/browser/chromeos/policy/network_configuration_updater_unittest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 74 matching lines @@
     trust_anchors_ = trust_anchors;
   }
   net::CertificateList trust_anchors_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeWebTrustedCertsObserver);
 };
 
 class FakeNetworkDeviceHandler : public chromeos::FakeNetworkDeviceHandler {
  public:
-  FakeNetworkDeviceHandler()
-      : allow_roaming_(false), mac_addr_randomization_(false) {}
+  FakeNetworkDeviceHandler() : allow_roaming_(false) {}
 
   void SetCellularAllowRoaming(bool allow_roaming) override {
     allow_roaming_ = allow_roaming;
   }
 
-  void SetMACAddressRandomizationEnabled(bool enabled) override {
-    mac_addr_randomization_ = enabled;
-  }
-
   bool allow_roaming_;
-  bool mac_addr_randomization_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeNetworkDeviceHandler);
 };
 
 class FakeCertificateImporter : public chromeos::onc::CertificateImporter {
  public:
   FakeCertificateImporter()
       : expected_onc_source_(::onc::ONC_SOURCE_UNKNOWN), call_count_(0) {}
   ~FakeCertificateImporter() override {}
@@ skipping 556 matching lines @@
   EXPECT_EQ(ExpectedImportCertificatesCallCount(),
             certificate_importer_->GetAndResetImportCount());
 }
 
 INSTANTIATE_TEST_CASE_P(NetworkConfigurationUpdaterTestWithParamInstance,
                         NetworkConfigurationUpdaterTestWithParam,
                         testing::Values(key::kDeviceOpenNetworkConfiguration,
                                         key::kOpenNetworkConfiguration));
 
 }  // namespace policy