Enable gn check for //extensions/browser/api/serial

Fixed: 1158964
Change-Id: I915a4f1594c4ef4d0b5e82f25441ff2e56e95082
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2671787
Commit-Queue: Anders Hartvoll Ruud <andruud@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>
Cr-Commit-Position: refs/heads/master@{#850622}

.gn

@@ -105,7 +105,6 @@ no_check_targets = [
   "//extensions/browser/api/networking_private:*",  # 14 errors
   "//extensions/browser/api/power:*",  # 3 errors
   "//extensions/browser/api/runtime:*",  # 6 errors
-  "//extensions/browser/api/serial:*",  # 10 errors
   "//extensions/browser/api/sockets_tcp:*",  # 6 errors
   "//extensions/browser/api/sockets_tcp_server:*",  # 8 errors
   "//extensions/browser/api/sockets_udp:*",  # 9 errors

extensions/browser/api/BUILD.gn

@@ -74,7 +74,6 @@ source_set("api") {
     "//extensions/browser/api/power",
     "//extensions/browser/api/printer_provider",
     "//extensions/browser/api/runtime",
-    "//extensions/browser/api/serial",
     "//extensions/browser/api/sockets_tcp",
     "//extensions/browser/api/sockets_tcp_server",
     "//extensions/browser/api/sockets_udp",

extensions/browser/api/serial/BUILD.gn

@@ -19,6 +19,7 @@ source_set("serial") {
 
   deps = [
     "//content/public/common",
+    "//extensions/browser/api",
     "//extensions/common/api",
     "//mojo/public/cpp/bindings",
     "//services/device/public/mojom",