Remove NetLog::GetCaptureMode() and NetLogCaptureMode::None()

net/log/net_log_capture_mode.h

 // 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.
 
 #ifndef NET_LOG_NET_LOG_CAPTURE_MODE_H_
 #define NET_LOG_NET_LOG_CAPTURE_MODE_H_
 
 #include <stdint.h>
 #include <string>
 
@@ skipping 30 matching lines @@
   //    include_cookies_and_credentials() --> true
   //    include_socket_bytes() --> false
   static NetLogCaptureMode IncludeCookiesAndCredentials();
 
   // Constructs a capture mode which logs the data sent/received from sockets.
   //    enabled() --> true
   //    include_cookies_and_credentials() --> true
   //    include_socket_bytes() --> true
   static NetLogCaptureMode IncludeSocketBytes();
 
-  // Returns a capture mode that contains the maximal set of capabilities
-  // between |mode1| and |mode2|.
-  static NetLogCaptureMode Max(NetLogCaptureMode mode1,
-                               NetLogCaptureMode mode2);
-
   // If enabled() is true, then _something_ is being captured.
   bool enabled() const;
 
   // If include_cookies_and_credentials() is true , then it is OK to log
   // events which contain cookies, credentials or other privacy sensitive data.
   bool include_cookies_and_credentials() const;
 
   // If include_socket_bytes() is true, then it is OK to output the actual
   // bytes read/written from the network, even if it contains private data.
   bool include_socket_bytes() const;
 
   bool operator==(NetLogCaptureMode mode) const;
   bool operator!=(NetLogCaptureMode mode) const;
 
   int32_t ToInternalValueForTesting() const;
 
  private:
-  // NetLog relies on the internal value of NetLogCaptureMode being an integer,
-  // so it can be read/written atomically across thread.
-  friend class NetLog;
-
   explicit NetLogCaptureMode(uint32_t value);
 
-  static NetLogCaptureMode FromInternalValue(int32_t value);
-  int32_t ToInternalValue() const;
-
   int32_t value_;
 };
 
 }  // namespace net
 
 #endif  // NET_LOG_NET_LOG_CAPTURE_MODE_H_