[ios clean] Adds ToolsMenu to Showcase.

ios/clean/chrome/browser/ui/tools/BUILD.gn

Index: ios/clean/chrome/browser/ui/tools/BUILD.gn
diff --git a/ios/clean/chrome/browser/ui/tools/BUILD.gn b/ios/clean/chrome/browser/ui/tools/BUILD.gn
index dafafc36ea5f064e511578413795ccbcd4cde50d..a63c8a02ef7cea586cbf9f0cab277b65360eb271 100644
--- a/ios/clean/chrome/browser/ui/tools/BUILD.gn
+++ b/ios/clean/chrome/browser/ui/tools/BUILD.gn
@@ -9,18 +9,14 @@ source_set("tools") {
     "tools_mediator.h",
     "tools_mediator.mm",
     "tools_mediator_private.h",
-    "tools_menu_model.h",
-    "tools_menu_model.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   deps = [
+    ":tools_model",
     ":tools_ui",
     "//base",
-    "//components/strings",
-    "//ios/chrome/app/strings",
-    "//ios/chrome/browser/ui/tools_menu",
     "//ios/clean/chrome/browser/ui/animators",
     "//ios/clean/chrome/browser/ui/commands",
     "//ios/clean/chrome/browser/ui/presenters",
@@ -32,13 +28,28 @@ source_set("tools") {
   ]
 }
 
+source_set("tools_model") {

[lpromero, 2017/06/20 08:50:23]

Why not just fold it into tools_ui? It's called model, but it's considered part
of the UI layer in your case.

+  sources = [
+    "tools_menu_model.h",
+    "tools_menu_model.mm",
+  ]
+
+  configs += [ "//build/config/compiler:enable_arc" ]
+
+  deps = [
+    "//components/strings",
+    "//ios/chrome/app/strings",
+    "//ios/chrome/browser/ui/tools_menu",
+    "//ios/clean/chrome/browser/ui/commands",
+  ]
+}
+
 source_set("tools_ui") {
   sources = [
     "menu_overflow_controls_stackview.h",
     "menu_overflow_controls_stackview.mm",
     "menu_view_controller.h",
     "menu_view_controller.mm",
-    "tools_actions.h",
     "tools_consumer.h",
     "tools_menu_item.h",
     "tools_menu_item.mm",