Add enterprise policy to exempt hosts from Certificate Transparency

net/http/transport_security_state.h

 // 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.
 
 #ifndef NET_HTTP_TRANSPORT_SECURITY_STATE_H_
 #define NET_HTTP_TRANSPORT_SECURITY_STATE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 423 matching lines @@
   // 1. The header value is "preload", indicating that the site wants to
   // be opted in to Expect CT.
   // 2. The given host is present on the Expect CT preload list with a
   // valid report-uri, and the build is timely (i.e. preload list is fresh).
   // 3. |ssl_info| indicates that the connection violated the Expect CT policy.
   // 4. An Expect CT reporter has been provided with SetExpectCTReporter().
   void ProcessExpectCTHeader(const std::string& value,
                              const HostPortPair& host_port_pair,
                              const SSLInfo& ssl_info);
 
+  // For unit tests only; causes ShouldRequireCT() to return |*required|
+  // by default (that is, unless a RequireCTDelegate overrides). Set to
+  // nullptr to reset.
+  static void SetShouldRequireCTForTesting(bool* required);
+
  private:
   friend class TransportSecurityStateTest;
   FRIEND_TEST_ALL_PREFIXES(HttpSecurityHeadersTest, UpdateDynamicPKPOnly);
   FRIEND_TEST_ALL_PREFIXES(HttpSecurityHeadersTest, UpdateDynamicPKPMaxAge0);
   FRIEND_TEST_ALL_PREFIXES(HttpSecurityHeadersTest, NoClobberPins);
   FRIEND_TEST_ALL_PREFIXES(URLRequestTestHTTP, ExpectCTHeader);
 
   typedef std::map<std::string, STSState> STSStateMap;
   typedef std::map<std::string, PKPState> PKPStateMap;
 
@@ skipping 106 matching lines @@
   // rate-limiting.
   ExpiringCache<std::string, bool, base::TimeTicks, std::less<base::TimeTicks>>
       sent_reports_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(TransportSecurityState);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_TRANSPORT_SECURITY_STATE_H_