[ios clean] Toolbar displays total number of tabs.

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

Index: ios/clean/chrome/browser/ui/toolbar/BUILD.gn
diff --git a/ios/clean/chrome/browser/ui/toolbar/BUILD.gn b/ios/clean/chrome/browser/ui/toolbar/BUILD.gn
index 2648d06a66b426f3bca613dcd6dfad786c66bea9..2c96105b3f77ec0ec58bc477bb6b84a4314762a8 100644
--- a/ios/clean/chrome/browser/ui/toolbar/BUILD.gn
+++ b/ios/clean/chrome/browser/ui/toolbar/BUILD.gn
@@ -15,6 +15,7 @@ source_set("toolbar") {
   deps = [
     ":toolbar_ui",
     "//base",
+    "//ios/chrome/browser/web_state_list",
     "//ios/clean/chrome/browser/ui/commands",
     "//ios/clean/chrome/browser/ui/omnibox",
     "//ios/clean/chrome/browser/ui/tools",
@@ -36,6 +37,7 @@ source_set("toolbar_ui") {
   deps = [
     ":toolbar_components_ui",
     "//base",
+    "//ios/chrome/browser/ui",
     "//ios/clean/chrome/browser/ui/actions",
     "//ios/clean/chrome/browser/ui/animators",
     "//ios/clean/chrome/browser/ui/commands",
@@ -76,6 +78,8 @@ source_set("unit_tests") {
     ":toolbar_ui",
     "//base",
     "//base/test:test_support",
+    "//ios/chrome/browser/web_state_list",
+    "//ios/chrome/browser/web_state_list:test_support",
     "//ios/shared/chrome/browser/ui/toolbar:test_support",
     "//ios/web",
     "//ios/web:test_support",