WebUI: Only expose a single polymer3_elements target per component.

Small cleanup to provide better encapsulation and make the
ui/webui/resources/cr_elements:polymer3_elements target definition more
readable.

Bug: 965770
Change-Id: Ib6e14b1c9326b248274f917280f06a5d1b45516d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2018340Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734776}

ui/webui/resources/cr_elements/BUILD.gn

@@ -167,24 +167,17 @@ group("polymer3_elements") {
     "cr_expand_button:cr_expand_button_module",
     "cr_fingerprint:cr_fingerprint_progress_arc_module",
     "cr_icon_button:cr_icon_button_module",
-    "cr_input:cr_input_module",
-    "cr_input:cr_input_style_css_module",
+    "cr_input:polymer3_elements",
     "cr_lazy_render:cr_lazy_render_module",
     "cr_link_row:cr_link_row_module",
-    "cr_radio_button:cr_radio_button_module",
-    "cr_radio_button:cr_radio_button_style_css_module",
-    "cr_radio_button:modulize",
+    "cr_radio_button:polymer3_elements",
     "cr_radio_group:cr_radio_group_module",
-    "cr_search_field:cr_search_field_module",
-    "cr_search_field:modulize",
+    "cr_search_field:polymer3_elements",
     "cr_slider:cr_slider_module",
     "cr_tabs:cr_tabs_module",
-    "cr_toast:cr_toast_manager_module",
-    "cr_toast:cr_toast_module",
+    "cr_toast:polymer3_elements",
     "cr_toggle:cr_toggle_module",
-    "cr_toolbar:cr_toolbar_module",
-    "cr_toolbar:cr_toolbar_search_field_module",
-    "cr_toolbar:cr_toolbar_selection_overlay_module",
+    "cr_toolbar:polymer3_elements",
     "cr_view_manager:cr_view_manager_module",
     "policy:polymer3_elements",
   ]

ui/webui/resources/cr_elements/cr_input/BUILD.gn

@@ -16,6 +16,13 @@ js_library("cr_input") {
   ]
 }
 
+group("polymer3_elements") {
+  deps = [
+    ":cr_input_module",
+    ":cr_input_style_css_module",
+  ]
+}
+
 polymer_modulizer("cr_input") {
   js_file = "cr_input.js"
   html_file = "cr_input.html"

ui/webui/resources/cr_elements/cr_radio_button/BUILD.gn

@@ -20,6 +20,14 @@ js_library("cr_radio_button_behavior") {
 
 # Targets for auto-generating and typechecking Polymer 3 JS modules
 
+group("polymer3_elements") {
+  deps = [
+    ":cr_radio_button_module",
+    ":cr_radio_button_style_css_module",
+    ":modulize",
+  ]
+}
+
 js_modulizer("modulize") {
   input_files = [ "cr_radio_button_behavior.js" ]
   deps = [ "//third_party/polymer/v3_0/components-chromium/paper-behaviors:paper-ripple-behavior" ]

ui/webui/resources/cr_elements/cr_search_field/BUILD.gn

@@ -27,6 +27,13 @@ js_library("cr_search_field") {
 
 # Targets for auto-generating and typechecking Polymer 3 JS modules
 
+group("polymer3_elements") {
+  deps = [
+    ":cr_search_field_module",
+    ":modulize",
+  ]
+}
+
 js_modulizer("modulize") {
   input_files = [ "cr_search_field_behavior.js" ]
   deps = []

ui/webui/resources/cr_elements/cr_toast/BUILD.gn

@@ -24,6 +24,13 @@ js_library("cr_toast_manager") {
   ]
 }
 
+group("polymer3_elements") {
+  deps = [
+    ":cr_toast_manager_module",
+    ":cr_toast_module",
+  ]
+}
+
 polymer_modulizer("cr_toast") {
   js_file = "cr_toast.js"
   html_file = "cr_toast.html"

ui/webui/resources/cr_elements/cr_toolbar/BUILD.gn

@@ -26,6 +26,14 @@ js_library("cr_toolbar") {
   deps = [ ":cr_toolbar_search_field" ]
 }
 
+group("polymer3_elements") {
+  deps = [
+    ":cr_toolbar_module",
+    ":cr_toolbar_search_field_module",
+    ":cr_toolbar_selection_overlay_module",
+  ]
+}
+
 polymer_modulizer("cr_toolbar") {
   js_file = "cr_toolbar.js"
   html_file = "cr_toolbar.html"