[ios] Adds a CommandDispatcher to Browser.

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

Index: ios/clean/chrome/browser/ui/commands/BUILD.gn
diff --git a/ios/clean/chrome/browser/ui/commands/BUILD.gn b/ios/clean/chrome/browser/ui/commands/BUILD.gn
index 6ad215da5c1f54ebd6bc1230c69255812dddce46..7e6939d3440eb6b6ab9fe16be7aa5b6f67da2428 100644
--- a/ios/clean/chrome/browser/ui/commands/BUILD.gn
+++ b/ios/clean/chrome/browser/ui/commands/BUILD.gn
@@ -4,8 +4,6 @@
 
 source_set("commands") {
   sources = [
-    "command_dispatcher.h",
-    "command_dispatcher.mm",
     "settings_commands.h",
     "tab_commands.h",
     "tab_grid_commands.h",
@@ -17,17 +15,3 @@ source_set("commands") {
 
   configs += [ "//build/config/compiler:enable_arc" ]
 }
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "command_dispatcher_unittest.mm",
-  ]
-  deps = [
-    ":commands",
-    "//base",
-    "//testing/gtest",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}