Revert of Add ClientConfig proto, and JSON generation/parsing.

components/data_reduction_proxy/core/common/data_reduction_proxy_client_config_parser.h

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_client_config_parser.h
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_client_config_parser.h b/components/data_reduction_proxy/core/common/data_reduction_proxy_client_config_parser.h
deleted file mode 100644
index 461d94514b6ea110f6071101ac29656f8ecb8d42..0000000000000000000000000000000000000000
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_client_config_parser.h
+++ /dev/null
@@ -1,51 +0,0 @@
-// 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CLIENT_CONFIG_RESPONSE_PARSER_H_
-#define COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CLIENT_CONFIG_RESPONSE_PARSER_H_
-
-#include <string>
-
-#include "components/data_reduction_proxy/proto/client_config.pb.h"
-#include "net/proxy/proxy_server.h"
-
-namespace base {
-class Time;
-}
-
-namespace data_reduction_proxy {
-
-namespace config_parser {
-
-// Returns a string representation (which is actually the string representation
-// of ProxyServer_ProxyScheme) of a |net::ProxyServer::Scheme|.
-std::string GetSchemeString(net::ProxyServer::Scheme scheme);
-
-// Returns the |net::ProxyServer::Scheme| for a ProxyServer_ProxyScheme.
-net::ProxyServer::Scheme SchemeFromProxyScheme(
-    ProxyServer_ProxyScheme proxy_scheme);
-
-// Retrieves the ProxyServer_ProxyScheme for its string representation.
-ProxyServer_ProxyScheme GetProxyScheme(const std::string& scheme);
-
-// Returns the ISO-8601 representation of |time|.
-std::string TimeToISO8601(const base::Time& time);
-
-// Parses an ISO-8601 time string into a Timestamp proto.
-bool ISO8601ToTimestamp(const std::string& time, Timestamp* timestamp);
-
-// Returns the |base::Time| representation of |timestamp|.
-base::Time TimestampToTime(const Timestamp& timestamp);
-
-// Takes a JSON representation of a |ClientConfig| and populates |config|.
-// Returns false if the JSON has an unexpected structure.
-// TODO(jeremyim): This should be deprecated once gRPC support can be added
-// (which would give the binary proto instead of JSON).
-bool ParseClientConfig(const std::string& config_data, ClientConfig* config);
-
-}  // namespace config_parser
-
-}  // namespace data_reduction_proxy
-
-#endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_CLIENT_CONFIG_RESPONSE_PARSER_H_