[Mac/GN] Port tweak_info_plist.py and run it on //content targets.

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
 #
 #     info_plist:
 #         string, the path to an plist file that will be included in the final
 #         Info.plist generated.
 #
 #     executable_name:
 #         string, name of the generated target used for the product
 #         and executable name as specified in the output Info.plist.
 #
 #     extra_substitutions:
 #         (optional) string array, 'key=value' pairs for extra fields which are
 #         specified in a source Info.plist template.
 template("mac_info_plist") {
+  assert(defined(invoker.info_plist) != defined(invoker.info_plist_target),
+         "Only one of info_plist or info_plist_target may be specified in " +
+             target_name)
+
+  if (defined(invoker.info_plist)) {
+    _info_plist = invoker.info_plist
+  } else {
+    _info_plist_target_output = get_target_outputs(invoker.info_plist_target)
+    _info_plist = _info_plist_target_output[0]
+  }
+
   info_plist(target_name) {
     format = "xml1"
     extra_substitutions = []
     if (defined(invoker.extra_substitutions)) {
       extra_substitutions = invoker.extra_substitutions
     }
     extra_substitutions += [
       "MAC_SDK_BUILD=$mac_sdk_build",
       "MAC_SDK_NAME=$mac_sdk_name$mac_sdk_version",
     ]
     plist_templates = [
       "//build/config/mac/BuildInfo.plist",
-      invoker.info_plist,
+      _info_plist,
     ]
-    forward_variables_from(invoker, [ "executable_name" ])
+    if (defined(invoker.info_plist_target)) {
+      deps = [
+        invoker.info_plist_target,
+      ]
+    }
+    forward_variables_from(invoker,
+                           [
+                             "testonly",
+                             "executable_name",
+                           ])
   }
 }
 
 # Template to compile and package Mac XIB files as bundle data.
 #
 # Arguments
 #
 #     sources:
 #         list of string, sources to comiple
 #
@@ skipping 46 matching lines @@
 # This template provides two targets to control whether the framework is
 # merely built when targets depend on it, or whether it is linked as well:
 # "$target_name" and "$target_name+link".
 #
 # See the //build/config/mac/base_rules.gni:framework_bundle for a discussion
 # and examples.
 #
 # Arguments
 #
 #     info_plist:
-#         string, path to the Info.plist file that will be used for the bundle.
+#         (optional) string, path to the Info.plist file that will be used for
+#         the bundle.
+#
+#     info_plist_target:
+#         (optional) string, if the info_plist is generated from an action,
+#         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 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.
 #
 # 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")
-  assert(defined(invoker.info_plist),
-         "The Info.plist file 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, [ "info_plist" ])
+    forward_variables_from(invoker,
+                           [
+                             "testonly",
+                             "info_plist",
+                             "info_plist_target",
+                           ])
   }
 
   _info_plist_bundle_data = _info_plist_target + "_bundle_data"
 
   bundle_data(_info_plist_bundle_data) {
     forward_variables_from(invoker, [ "testonly" ])
     sources = get_target_outputs(":$_info_plist_target")
     outputs = [
       "{{bundle_root_dir}}/Info.plist",
     ]
@@ skipping 10 matching lines @@
     }
     deps += [ ":$_info_plist_bundle_data" ]
   }
 }
 
 # Template to create a Mac executable application bundle.
 #
 # Arguments
 #
 #     info_plist:
-#         string, path to the Info.plist file that will be used for the bundle.
+#         (optional) string, path to the Info.plist file that will be used for
+#         the bundle.
+#
+#     info_plist_target:
+#         (optional) string, if the info_plist is generated from an action,
+#         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.
 template("mac_app_bundle") {
-  assert(defined(invoker.info_plist),
-         "The Info.plist file must be specified for $target_name")
-
   _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",
+                             "info_plist",
+                             "info_plist_target",
+                           ])
+  }
+
   executable(_executable_target) {
     visibility = [ ":$_executable_bundle_data" ]
     forward_variables_from(invoker,
                            "*",
                            [
                              "assert_no_deps",
                              "data_deps",
                              "info_plist",
                              "output_name",
                              "visibility",
@@ skipping 12 matching lines @@
       "$target_out_dir/$_executable_target/$_output_name",
     ]
     outputs = [
       "{{bundle_executable_dir}}/$_output_name",
     ]
     public_deps = [
       ":$_executable_target",
     ]
   }
 
-  _info_plist_target = target_name + "_info_plist"
-
-  mac_info_plist(_info_plist_target) {
-    executable_name = _output_name
-    forward_variables_from(invoker, [ "info_plist" ])
-  }
-
   _info_plist_bundle_data = _info_plist_target + "_bundle_data"
 
   bundle_data(_info_plist_bundle_data) {
     forward_variables_from(invoker, [ "testonly" ])
     visibility = [ ":$_target_name" ]
     sources = get_target_outputs(":$_info_plist_target")
     outputs = [
       "{{bundle_root_dir}}/Info.plist",
     ]
     public_deps = [
@@ skipping 78 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"
   }
 }