Add more GN deps to the build.

chrome/app/theme/BUILD.gn

Index: chrome/app/theme/BUILD.gn
diff --git a/chrome/app/theme/BUILD.gn b/chrome/app/theme/BUILD.gn
index 93d34141345ca5c8bc62b6ceab21183ee9d62e45..5e1d2a5d97585e8239876c12c5faacf2040def14 100644
--- a/chrome/app/theme/BUILD.gn
+++ b/chrome/app/theme/BUILD.gn
@@ -7,4 +7,14 @@ import("//tools/grit/grit_rule.gni")
 # GYP version: chrome/chrome_resources.gyp:theme_resources
 grit("theme_resources") {
   source = "theme_resources.grd"
+
+  deps = [
+    ":chrome_unscaled_resources",
+    "//ui/resources",
+  ]
+}
+
+# GYP version: chrome/chrome_resources.gyp:chrome_unscaled_resources
+grit("chrome_unscaled_resources") {
+  source = "chrome_unscaled_resources.grd"
 }