Add a basic browser to mash that uses the navigation service.

services/navigation/BUILD.gn

Index: services/navigation/BUILD.gn
diff --git a/services/navigation/BUILD.gn b/services/navigation/BUILD.gn
index 6d34ef3e8da8d70e43ebd02ffdf6d1807e3f686b..ef542469e62a76d23fbda214fbf388cbbf89a39c 100644
--- a/services/navigation/BUILD.gn
+++ b/services/navigation/BUILD.gn
@@ -5,6 +5,7 @@
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//testing/test.gni")
+import("//tools/grit/repack.gni")
 
 group("all") {
   testonly = true
@@ -21,14 +22,20 @@ executable("navigation") {
   ]
 
   deps = [
+    ":lib",
+    ":pak",
     "//base",
     "//build/win:default_exe_manifest",
+    "//components/mus/public/cpp",
     "//content",
     "//content/public/app:both",
     "//mojo/public/cpp/bindings",
     "//services/navigation/content_client",
     "//services/shell/runner:init",
     "//services/shell/runner/common",
+    "//ui/views",
+    "//ui/views/controls/webview",
+    "//ui/views/mus",
   ]
 
   data_deps = [
@@ -92,3 +99,39 @@ mojo_application_manifest("unittest_manifest") {
   application_name = "navigation_unittests"
   source = "unittest_manifest.json"
 }
+
+repack("pak") {
+  sources = [
+    "$root_gen_dir/blink/devtools_resources.pak",
+    "$root_gen_dir/blink/public/resources/blink_image_resources_100_percent.pak",
+    "$root_gen_dir/blink/public/resources/blink_resources.pak",
+    "$root_gen_dir/content/app/resources/content_resources_100_percent.pak",
+    "$root_gen_dir/content/app/strings/content_strings_en-US.pak",
+    "$root_gen_dir/content/browser/tracing/tracing_resources.pak",
+    "$root_gen_dir/content/content_resources.pak",
+    "$root_gen_dir/content/shell/shell_resources.pak",
+    "$root_gen_dir/net/net_resources.pak",
+    "$root_gen_dir/ui/resources/ui_resources_100_percent.pak",
+    "$root_gen_dir/ui/resources/webui_resources.pak",
+    "$root_gen_dir/ui/strings/app_locale_settings_en-US.pak",
+    "$root_gen_dir/ui/strings/ui_strings_en-US.pak",
+    "$root_gen_dir/ui/views/resources/views_resources_100_percent.pak",
+  ]
+
+  deps = [
+    "//content:resources",
+    "//content/app/resources",
+    "//content/app/strings",
+    "//content/browser/devtools:resources",
+    "//content/browser/tracing:resources",
+    "//content/shell:resources",
+    "//net:net_resources",
+    "//third_party/WebKit/public:image_resources",
+    "//third_party/WebKit/public:resources",
+    "//ui/resources",
+    "//ui/strings",
+    "//ui/views/resources",
+  ]
+
+  output = "$root_out_dir/navigation.pak"
+}