Adding support for authenticated copresence calls

components/copresence/rpc/http_post.cc

Index: components/copresence/rpc/http_post.cc
diff --git a/components/copresence/rpc/http_post.cc b/components/copresence/rpc/http_post.cc
index 3f2f7a5e3eb1aaee8c6aec12a562e4e3c0550551..68fe528e2794b08685c8d7cdf152910ffcd3cdcb 100644
--- a/components/copresence/rpc/http_post.cc
+++ b/components/copresence/rpc/http_post.cc
@@ -25,8 +25,9 @@ const char HttpPost::kTracingField[] = "trace";
 HttpPost::HttpPost(net::URLRequestContextGetter* url_context_getter,
                    const std::string& server_host,
                    const std::string& rpc_name,
-                   const std::string& tracing_token,
                    std::string api_key,
+                   const std::string& auth_token,
+                   const std::string& tracing_token,
                    const google::protobuf::MessageLite& request_proto) {
   // Create the base URL to call.
   GURL url(server_host + "/" + rpc_name);
@@ -63,6 +64,9 @@ HttpPost::HttpPost(net::URLRequestContextGetter* url_context_getter,
                              net::LOAD_DO_NOT_SEND_COOKIES |
                              net::LOAD_DO_NOT_SEND_AUTH_DATA);
   url_fetcher_->SetUploadData("application/x-protobuf", request_data);
+  if (!auth_token.empty()) {
+    url_fetcher_->AddExtraRequestHeader("Authorization: Bearer " + auth_token);
+  }
 }
 
 HttpPost::~HttpPost() {}