Create Monochrome-specific repack() targets

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index 34871923107f9cc28e520fbb241d114e55d52ea2..268328b6710a39f18f7404924e3ba3402d5cf181 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -16,7 +16,6 @@ import("//chrome/common/features.gni")
 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) {
@@ -253,10 +252,7 @@ if (!is_android && !is_mac) {
     }
 
     # These files are used by the installer so we need a public dep.
-    public_deps += [
-      ":packed_extra_resources",
-      ":packed_resources",
-    ]
+    public_deps += [ ":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
@@ -738,7 +734,6 @@ if (is_win) {
     ]
 
     public_deps = [
-      ":packed_extra_resources",
       ":packed_resources",
       "//chrome/app_shim:app_mode_loader",
     ]
@@ -1352,23 +1347,6 @@ chrome_paks("packed_resources") {
   }
 }
 
-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",