Settings: Expose a dedicated closure_compile_module target for P3.

This allows invoking type checking for only the Polymer 3 files
locally, useful during local development.

Bug: 1026426
Change-Id: Id103237cb8a59ca1133f0e1695b61a3b9d28bf7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2032432
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737166}

chrome/browser/resources/BUILD.gn

@@ -37,6 +37,7 @@ if (closure_compile) {
         "print_preview:closure_compile",
         "quota_internals:closure_compile",
         "settings:closure_compile",
+        "settings:closure_compile_module",
         "signin:closure_compile",
         "usb_internals:closure_compile",
         "user_manager:closure_compile",

chrome/browser/resources/settings/BUILD.gn

@@ -91,11 +91,6 @@ group("closure_compile") {
     "settings_ui:closure_compile",
     "site_settings:closure_compile",
     "site_settings_page:closure_compile",
-
-    # Polymer3 related targets
-    ":settings_module_resources",
-    "controls:closure_compile_module",
-    "prefs:closure_compile_module",
   ]
 
   if (is_win) {
@@ -199,7 +194,15 @@ js_library("search_settings") {
 
 # Polymer 3 related rules.
 
-js_type_check("settings_module_resources") {
+group("closure_compile_module") {
+  deps = [
+    ":closure_compile_local_module",
+    "controls:closure_compile_module",
+    "prefs:closure_compile_module",
+  ]
+}
+
+js_type_check("closure_compile_local_module") {
   is_polymer3 = true
   deps = [
     ":extension_control_browser_proxy.m",