Add chrome/browser/ui to the GN build.

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index 0f11fcc3c5860a2867256a39f08835389af286fa..cc3f897e7a68381ce705cde79849c5ea65c726cc 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -20,6 +20,7 @@ group("all_components") {
     "//components/domain_reliability",
     "//components/favicon_base",
     "//components/favicon/core",
+    "//components/feedback",
     "//components/history/core/browser",
     "//components/history/core/common",
     "//components/history/core/test",
@@ -77,6 +78,7 @@ group("all_components") {
       "//components/domain_reliability",  # Blocked on content.
       "//components/favicon_base",  # Should work, needs checking.
       "//components/favicon/core",  # Blocked on keyed service.
+      "//components/feedback",  # Blocked on content.
       "//components/history/core/browser",  # Should work, needs checking.
       "//components/history/core/common",  # Should work, needs checking.
       "//components/history/core/test",  # Should work, needs checking.