Chrome Participated Tamper Detect

components/data_reduction_proxy/common/data_reduction_proxy_headers.cc

Index: components/data_reduction_proxy/common/data_reduction_proxy_headers.cc
diff --git a/components/data_reduction_proxy/common/data_reduction_proxy_headers.cc b/components/data_reduction_proxy/common/data_reduction_proxy_headers.cc
index 773d14c7042f1443b5c757196c84bec974f702cd..2a75418e97d2484783617307f0c8133817297ecb 100644
--- a/components/data_reduction_proxy/common/data_reduction_proxy_headers.cc
+++ b/components/data_reduction_proxy/common/data_reduction_proxy_headers.cc
@@ -20,6 +20,15 @@ using net::ProxyService;
 
 namespace data_reduction_proxy {
 
+namespace fingerprint_actions {
+
+const char kTamperDetectFingerprintChromeProxy[]   = "fcp";
+const char kTamperDetectFingerprintVia[]           = "fvia";
+const char kTamperDetectFingerprintOtherHeaders[]  = "foh";
+const char kTamperDetectFingerprintContentLength[] = "fcl";
+
+}  // namespace fingerprint_actions
+
 bool GetDataReductionProxyBypassDuration(
     const net::HttpResponseHeaders* headers,
     const std::string& action_prefix,