Add chrome/browser/ui to the GN build.

chrome/browser/resources/BUILD.gn

Index: chrome/browser/resources/BUILD.gn
diff --git a/chrome/browser/resources/BUILD.gn b/chrome/browser/resources/BUILD.gn
index aa5316891f7db9c3585df4814a30dead170eb67c..7df5d1823accea43c015e337dc0d09f28e1f6471 100644
--- a/chrome/browser/resources/BUILD.gn
+++ b/chrome/browser/resources/BUILD.gn
@@ -32,3 +32,26 @@ grit("translate_internals_resources") {
   source = "translate_internals_resources.grd"
 }
 
+# GYP version: copy command of chrome_extra_resources
+copy("extension_resource_demo") {
+  sources = [ "extension_resource/demo/library.js" ]
+  outputs = [ "$root_out_dir/resources/extension/demo/library.js" ]
+}
+
+if (!is_ios) {
+  grit("component_extension_resources") {
+    source = "component_extension_resources.grd"
+  }
+
+  grit("options_resources") {
+    source = "options_resources.grd"
+  }
+  
+  grit("quota_internals_resources") {
+    source = "quota_internals_resources.grd"
+  }
+
+  grit("sync_file_system_internals_resources") {
+    source = "sync_file_system_internals_resources.grd"
+  }
+}