rds: some VirtualCluster fixups encountered while writing v1 JSON translation. (#135)

api/accesslog.proto

@@ -10,17 +10,6 @@ import "google/protobuf/timestamp.proto";
 import "google/protobuf/wrappers.proto";
 
 message EnvoyAccessLog {
-  enum RequestMethod {
-    METHOD_UNSPECIFIED = 0;
-    GET = 1;
-    HEAD = 2;
-    POST = 3;
-    PUT = 4;
-    DELETE = 5;
-    CONNECT = 6;
-    OPTIONS = 7;
-    TRACE = 8;
-  }
   // The HTTP request method (RFC 7231/2616)
   RequestMethod request_method = 1;
 

api/base.proto

@@ -82,6 +82,19 @@ enum RoutingPriority {
   HIGH = 1;
 }
 
+// HTTP request method
+enum RequestMethod {
+  METHOD_UNSPECIFIED = 0;
+  GET = 1;
+  HEAD = 2;
+  POST = 3;
+  PUT = 4;
+  DELETE = 5;
+  CONNECT = 6;
+  OPTIONS = 7;
+  TRACE = 8;
+}
+
 // Header name/value pair.
 message HeaderValue {
   // Header name.

api/rds.proto

@@ -279,7 +279,7 @@ message VirtualCluster {
 
   // Optionally specifies the HTTP method to match on. For example GET, PUT,
   // etc.
-  string method = 3;
+  RequestMethod method = 3;
 }
 
 // See