Adds eventlog provider dll to describe the message types of SYSLOG.

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index c62d1c71a975010eafc73029af9ae7713c3541c5..f8df84fa21d6a7e4136c93f6d75edbdb37b308c4 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -445,6 +445,17 @@ if (is_win) {
       "$root_out_dir/First Run",
     ]
   }
+  shared_library("eventlog_provider") {
+    sources = [
+      "$root_gen_dir/base/win/eventlog_messages.rc",
+    ]
+
+    ldflags = [ "-noentry" ]
+
+    deps = [
+      "//base/win:eventlog_messages",
+    ]
+  }
 } else if (is_mac) {
   chrome_helper_name = chrome_product_full_name + " Helper"
   chrome_framework_name = chrome_product_full_name + " Framework"