Add configuration file proto in chromium

Syncing with the other sources when this is merged.
Usage of this proto will be implemented in a following CL, breaking
them up to make it easier to review.

BUG=b:289117140

Change-Id: I96ee9ad9994a6886603c9372ff17254706a8fa86
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4804123
Commit-Queue: Hong Xu <xuhong@google.com>
Commit-Queue: Alberto Juarez <albertojuarez@google.com>
Reviewed-by: Hong Xu <xuhong@google.com>
Auto-Submit: Alberto Juarez <albertojuarez@google.com>
Cr-Commit-Position: refs/heads/main@{#1186724}

components/reporting/proto/BUILD.gn

@@ -103,3 +103,11 @@ proto_library("upload_tracker_proto") {
 
   deps = [ ":status_proto" ]
 }
+
+proto_library("configuration_file_proto") {
+  proto_in_dir = "//"
+
+  sources = [ "synced/configuration_file.proto" ]
+
+  deps = [ ":record_constants" ]
+}

components/reporting/proto/synced/configuration_file.proto

@@ -0,0 +1,32 @@
+// Copyright 2023 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package reporting;
+
+import "components/reporting/proto/synced/record_constants.proto";
+
+// Proto returned from the reporting server if requested by the client, this
+// proto tells the client if any destinations should be blocked at the moment.
+message ConfigFile {
+  // Blocked destinations.
+  repeated EventConfig event_configs = 1;
+  // Verified by the client to make sure that the response wasn't altered.
+  optional bytes config_file_signature = 2;
+}
+
+// Control by destination.
+message EventConfig {
+  optional Destination destination = 1;
+  // Minimum version where a destination should be blocked.
+  // Inclusive. [minimum_release_version, current or maximum_release_version]
+  // If these fields are not included the destination will be blocked on
+  // all versions.
+  optional int32 minimum_release_version = 2;
+  // Maximum version where a destination should be blocked. See above.
+  optional int32 maximum_release_version = 3;
+}