Adding version info to the client config request

components/data_reduction_proxy/proto/client_config.proto

Index: components/data_reduction_proxy/proto/client_config.proto
diff --git a/components/data_reduction_proxy/proto/client_config.proto b/components/data_reduction_proxy/proto/client_config.proto
index 98cc093e0d4b565d1ce9fd9d9a305ab70c243761..44fd32b45d897dd372bc2699e16c0e8630a3bbf8 100644
--- a/components/data_reduction_proxy/proto/client_config.proto
+++ b/components/data_reduction_proxy/proto/client_config.proto
@@ -102,11 +102,31 @@ message ProxyServer {
   // The host name for the proxy server.
   optional string host = 2;
   // The port number for the proxy server.
   optional int32 port = 3;
 }
 
 // Request object to create a client configuration object.
 message CreateClientConfigRequest {
   // A previous per-session key that was assigned by the service.
   optional string session_key = 1;
+
+  // Build version information.
+  optional VersionInfo version_info = 2;
 }
+
+// Build version information.
+message VersionInfo {
+  // The client's platform type. See
+  // components/data_reduction_proxy/core/common/data_reduction_proxy_util.h for
+  // allowed strings in CLIENT_ENUMS_LIST.
+  optional string client = 1;
+
+  // The build number, e.g. 2171
+  optional int32 build = 2;
+
+  // The patch number of the chromium client: always a non-negative integer.
+  optional int32 patch = 3;
+
+  // The production channel, e.g. "canary", "dev", "beta", "stable".
+  optional string channel = 4;
+}