[Mac/GN] Move the bundle ID and creator code into the BRANDING file, and use it.

build/config/mac/rules.gni

 # Copyright 2015 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/mac/base_rules.gni")
 
 # Generates Info.plist files for Mac apps and frameworks.
 #
 # Arguments
 #
@@ skipping 121 matching lines @@
 #     output_name:
 #         (optional) string, name of the generated framework without the
 #         .framework suffix. If omitted, defaults to target_name.
 #
 #     framework_version:
 #         (optional) string, version of the framework. Typically this is a
 #         single letter, like "A". If omitted, the Versions/ subdirectory
 #         structure will not be created, and build output will go directly
 #         into the framework subdirectory.
 #
+#     extra_substitutions:
+#         (optional) string array, 'key=value' pairs for extra fields which are
+#         specified in a source Info.plist template.
+#
 # See "gn help shared_library" for more information on arguments supported
 # by shared library target.
 template("mac_framework_bundle") {
   assert(defined(invoker.deps),
          "Dependencies must be specified for $target_name")
 
   _info_plist_target = target_name + "_info_plist"
 
   mac_info_plist(_info_plist_target) {
     executable_name = target_name
     if (defined(invoker.output_name)) {
       executable_name = invoker.output_name
     }
     forward_variables_from(invoker,
                            [
-                             "testonly",
+                             "extra_substitutions",
                              "info_plist",
                              "info_plist_target",
+                             "testonly",
                            ])
   }
 
   _info_plist_bundle_data = _info_plist_target + "_bundle_data"
 
   bundle_data(_info_plist_bundle_data) {
     forward_variables_from(invoker, [ "testonly" ])
     sources = get_target_outputs(":$_info_plist_target")
     outputs = [
       "{{bundle_root_dir}}/Info.plist",
@@ skipping 26 matching lines @@
 #         rather than a regular source file, specify the target name in lieu
 #         of info_plist. The two arguments are mutually exclusive.
 #
 #     output_name:
 #         (optional) string, name of the generated app without the
 #         .app suffix. If omitted, defaults to target_name.
 #
 #     extra_configs:
 #         (optional) list of label, additional configs to apply to the
 #         executable target.
+#
+#     extra_substitutions:
+#         (optional) string array, 'key=value' pairs for extra fields which are
+#         specified in a source Info.plist template.
 template("mac_app_bundle") {
   _target_name = target_name
   _output_name = target_name
   if (defined(invoker.output_name)) {
     _output_name = invoker.output_name
   }
 
   _executable_target = target_name + "_executable"
   _executable_bundle_data = _executable_target + "_bundle_data"
 
   _info_plist_target = target_name + "_info_plist"
 
   mac_info_plist(_info_plist_target) {
     executable_name = _output_name
     forward_variables_from(invoker,
                            [
-                             "testonly",
+                             "extra_substitutions",
                              "info_plist",
                              "info_plist_target",
+                             "testonly",
                            ])
   }
 
   executable(_executable_target) {
     visibility = [ ":$_executable_bundle_data" ]
     forward_variables_from(invoker,
                            "*",
                            [
                              "assert_no_deps",
                              "data_deps",
@@ skipping 113 matching lines @@
                            ])
     if (!defined(deps)) {
       deps = []
     }
     deps += [ ":$_loadable_module_bundle_data" ]
 
     bundle_root_dir = "$root_out_dir/$_output_name.plugin/Contents"
     bundle_executable_dir = "$bundle_root_dir/MacOS"
   }
 }