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 21e425d598b423c243f6e85efdc2863ec9f708a6..6efd560cf4c4d25ff776162c3e421c49eb98e62f 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -23,6 +23,7 @@ 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",
@@ -80,6 +81,7 @@ 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.