MacViews: Fix mac_views_browser build linker errors.

chrome/browser/ui/BUILD.gn

Index: chrome/browser/ui/BUILD.gn
diff --git a/chrome/browser/ui/BUILD.gn b/chrome/browser/ui/BUILD.gn
index 4334640268a7f7f79f1eb271f48efae9cebe504a..d9d105284b794247fb563a6a49db2ad88b71d798 100644
--- a/chrome/browser/ui/BUILD.gn
+++ b/chrome/browser/ui/BUILD.gn
@@ -1544,7 +1544,7 @@ split_static_library("ui") {
         ]
       }
     }
-    if (!is_mac) {
+    if (!is_mac || mac_views_browser) {
       sources += [
         # This test header is included because it contains forward declarations
         # needed for "friend" statements for use in tests.
@@ -1826,6 +1826,7 @@ split_static_library("ui") {
         "views/website_settings/chooser_bubble_ui_view.h",
         "views/website_settings/permission_prompt_impl_views.cc",
       ]
+
       if (use_aura) {
         deps += [
           "//services/ui/public/cpp",
@@ -1839,7 +1840,9 @@ split_static_library("ui") {
           "views/tabs/window_finder_mus.h",
         ]
       }
-      deps += [ "//ui/views/mus" ]
+      if (!mac_views_browser) {
+        deps += [ "//ui/views/mus" ]
+      }
     }
     if (use_ash) {
       sources += [