Hook up resources to the chrome GN build.

chrome/chrome_repack_locales.gni

+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/features.gni")
+import("//build/config/ui.gni")
+import("//tools/grit/repack.gni")
+
+# Arguments:
+#
+#   locale
+#       Internal name of locale. e.g. "pt-BR"
+#
+#   output
+#       Output file name.
+#
+#   visibility
+#       Normal meaning.
+template("_repack_one_locale") {
+  locale = invoker.locale
+
+  repack(target_name) {
+    visibility = invoker.visibility
+
+    # Each input pak file should also have a deps line for completeness.
+    sources = [
+      "${root_gen_dir}/chrome/app/resources/platform_locale_settings_${locale}.pak",
+      "${root_gen_dir}/chrome/generated_resources_${locale}.pak",
+      "${root_gen_dir}/chrome/locale_settings_${locale}.pak",
+      "${root_gen_dir}/components/strings/components_strings_${locale}.pak",
+    ]
+    deps = [
+      "//chrome/app/resources:platform_locale_settings",
+      "//chrome/app:generated_resources",
+      "//chrome/app/resources:locale_settings",
+      "//components/strings",
+    ]
+
+    if (use_ash) {
+      sources += [
+        "${root_gen_dir}/ash/strings/ash_strings_${locale}.pak",
+      ]
+      deps += [
+        "//ash/strings",
+      ]
+    }
+    if (is_chromeos) {
+      sources += [
+        "${root_gen_dir}/ui/chromeos/strings/ui_chromeos_strings_${locale}.pak",
+      ]
+      deps += [
+        "//ui/chromeos/strings",
+      ]
+    }
+    if (!is_ios) {
+      sources += [
+        "${root_gen_dir}/content/app/strings/content_strings_${locale}.pak",
+        "${root_gen_dir}/ui/strings/ui_strings_${locale}.pak",
+        "${root_gen_dir}/ui/strings/app_locale_settings_${locale}.pak",
+      ]
+      deps += [
+        "//content/app/strings",
+        "//ui/strings:ui_strings",
+        "//ui/strings:app_locale_settings",
+      ]
+    }
+    if (enable_autofill_dialog && !is_ios && !is_android) {
+      sources += [
+        "${root_gen_dir}/third_party/libaddressinput/address_input_strings_${locale}.pak",
+      ]
+      deps += [
+        "//third_party/libaddressinput:strings",
+      ]
+    }
+    if (enable_extensions) {
+      sources += [
+        "${root_gen_dir}/device/bluetooth/device_bluetooth_strings_${locale}.pak",
+        # TODO(jamescook): When Android stops building extensions code move
+        # this to the OS != 'ios' and OS != 'android' section.
+        "${root_gen_dir}/extensions/strings/extensions_strings_${locale}.pak",
+      ]
+      deps += [
+        "//device/bluetooth:strings",
+        "//extensions/strings",
+      ]
+    }
+
+    if (is_chrome_branded) {
+      sources += [
+        "${root_gen_dir/chrome/chromium_strings_${locale}.pak",
+      ]
+      deps += [
+        "//chrome/app:chromium_strings",
+      ]
+    } else {
+      sources += [
+        "${root_gen_dir}/chrome/google_chrome_strings_${locale}.pak",
+      ]
+      deps += [
+        "//chrome/app:google_chrome_strings",
+      ]
+    }
+
+    output = invoker.output
+  }
+}
+
+# Creates an action to call the repack_locales script.
+#
+# The GYP version generates the locales in the "gen" directory and then copies
+# it to the root build directory. This isn't easy to express in a GN copy
+# rule since the files on Mac have a complex structure. So we generate the
+# files into the final place and skip the "gen" directory.
+#
+# This template uses GN's looping constructs to avoid the complex call to
+# chrome/tools/build/repack_locales.py which wraps the repack commands in the
+# GYP build.
+#
+# Arguments
+#
+#   input_locales
+#       List of locale names to use as inputs.
+#
+#   output_locales
+#       A list containing the corresponding output names for each of the
+#       input names. Mac uses different names in some cases.
+#
+#   visibility
+template("chrome_repack_locales") {
+  # This is the name of the group below that will collect all the invidual
+  # locale targets. External targets will depend on this.
+  group_target_name = target_name
+
+  # GN's subscript is too stupid to do invoker.output_locales[foo] so we need
+  # to make a copy and do output_locales[foo].
+  output_locales = invoker.output_locales
+
+  # Collects all targets the loop generates.
+  locale_targets = []
+
+  # This loop iterates over the input locales and also keeps a counter so it
+  # can simultaneously iterate over the output locales (using GN's very
+  # limited looping capabilities).
+  current_index = 0
+  foreach(input_locale, invoker.input_locales) {
+    output_locale = output_locales[current_index]
+
+    # Compute the name of the target for the current file. Save it for the deps.
+    current_name = "${target_name}_${input_locale}"
+    locale_targets += [ ":$current_name" ]
+
+    _repack_one_locale(current_name) {
+      visibility = ":$group_target_name"
+      locale = input_locale
+
+      # Compute the output name. Mac uses a different location.
+      if (is_mac || is_ios) {
+        output = "${root_gen_dir}/repack/${output_locale}.lproj/locale.pak"
+      } else {
+        output = "${root_out_dir}/locales/${output_locale}.pak"
+      }
+    }
+
+    current_index = current_index + 1
+  }
+
+  # The group that external targets depend on which collects all deps.
+  group(group_target_name) {
+    if (defined(invoker.visibility)) {
+      visibility = invoker.visibility
+    }
+    deps = locale_targets
+  }
+}