Revert of Create Monochrome-specific repack() targets

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 268328b6710a39f18f7404924e3ba3402d5cf181..34871923107f9cc28e520fbb241d114e55d52ea2 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -16,6 +16,7 @@
 import("//chrome/process_version_rc_template.gni")
 import("//third_party/widevine/cdm/widevine.gni")
 import("//tools/resources/generate_resource_whitelist.gni")
+import("//ui/base/ui_features.gni")
 import("//v8/gni/v8.gni")
 
 if (is_android) {
@@ -252,7 +253,10 @@
     }
 
     # These files are used by the installer so we need a public dep.
-    public_deps += [ ":packed_resources" ]
+    public_deps += [
+      ":packed_extra_resources",
+      ":packed_resources",
+    ]
 
     # Only ChromeOS has precompiled Flash that needs to get copied to the output
     # directory. On other platforms, Flash is either component-updated only or
@@ -734,6 +738,7 @@
     ]
 
     public_deps = [
+      ":packed_extra_resources",
       ":packed_resources",
       "//chrome/app_shim:app_mode_loader",
     ]
@@ -1347,6 +1352,23 @@
   }
 }
 
+chrome_extra_paks("packed_extra_resources") {
+  if (is_mac) {
+    output_dir = "$root_gen_dir/repack"
+    copy_data_to_bundle = true
+  } else {
+    output_dir = root_out_dir
+  }
+
+  copy_data_to_bundle = is_mac
+  if (enable_resource_whitelist_generation) {
+    repack_whitelist = chrome_resource_whitelist
+    deps = [
+      ":resource_whitelist",
+    ]
+  }
+}
+
 repack("browser_tests_pak") {
   sources = [
     "$root_gen_dir/chrome/options_test_resources.pak",