Handle storyboards in GN.

BUG=none
R=sdefresne@chromium.org,rohitrao@chromium.org

Review-Url: https://codereview.chromium.org/2564023002
Cr-Commit-Position: refs/heads/master@{#437779}

build/config/ios/rules.gni

@@ -795,7 +795,7 @@ set_defaults("ios_appex_bundle") {
 #       string, path of the xib or storyboard to compile.
 #
 # Forwards all variables to the bundle_data target.
-template("bundle_data_xib") {
+template("bundle_data_ib_file") {
   assert(defined(invoker.source), "source needs to be defined for $target_name")
 
   _source_extension = get_path_info(invoker.source, "extension")
@@ -803,12 +803,19 @@ template("bundle_data_xib") {
          "source must be a .xib or .storyboard for $target_name")
 
   _target_name = target_name
-  _compile_xib = target_name + "_compile_xib"
+  if (_source_extension == "xib") {
+    _compile_ib_file = target_name + "_compile_xib"
+    _output_extension = "nib"
+  } else {
+    _compile_ib_file = target_name + "_compile_storyboard"
+    _output_extension = "storyboardc"
+  }
 
-  compile_xibs(_compile_xib) {
+  compile_ib_files(_compile_ib_file) {
     sources = [
       invoker.source,
     ]
+    output_extension = _output_extension
     visibility = [ ":$_target_name" ]
     ibtool_flags = [
       "--minimum-deployment-target",
@@ -827,9 +834,9 @@ template("bundle_data_xib") {
     if (!defined(public_deps)) {
       public_deps = []
     }
-    public_deps += [ ":$_compile_xib" ]
+    public_deps += [ ":$_compile_ib_file" ]
 
-    sources = get_target_outputs(":$_compile_xib")
+    sources = get_target_outputs(":$_compile_ib_file")
 
     outputs = [
       "{{bundle_resources_dir}}/{{source_file_part}}",

build/config/mac/base_rules.gni

@@ -202,7 +202,7 @@ template("info_plist") {
   }
 }
 
-# Template to combile .xib or .storyboard files.
+# Template to compile .xib and .storyboard files.
 #
 # Arguments
 #
@@ -211,7 +211,7 @@ template("info_plist") {
 #
 #     ibtool_flags:
 #         (optional) list of string, additional flags to pass to the ibtool
-template("compile_xibs") {
+template("compile_ib_files") {
   action_foreach(target_name) {
     forward_variables_from(invoker,
                            [
@@ -219,23 +219,28 @@ template("compile_xibs") {
                              "visibility",
                            ])
     assert(defined(invoker.sources),
-           "Sources must be specified for $target_name")
+           "sources must be specified for $target_name")
+    assert(defined(invoker.output_extension),
+           "output_extension must be specified for $target_name")
 
     ibtool_flags = []
     if (defined(invoker.ibtool_flags)) {
       ibtool_flags = invoker.ibtool_flags
     }
 
-    script = "//build/config/mac/compile_xib.py"
+    _output_extension = invoker.output_extension
+
+    script = "//build/config/mac/compile_ib_files.py"
     sources = invoker.sources
     outputs = [
-      "$target_gen_dir/$target_name/{{source_name_part}}.nib",
+      "$target_gen_dir/$target_name/{{source_name_part}}.$_output_extension",
     ]
     args = [
       "--input",
       "{{source}}",
       "--output",
-      rebase_path("$target_gen_dir/$target_name/{{source_name_part}}.nib"),
+      rebase_path(
+          "$target_gen_dir/$target_name/{{source_name_part}}.$_output_extension"),
     ]
     if (!use_system_xcode) {
       args += [

build/config/mac/rules.gni

@@ -77,10 +77,11 @@ template("mac_xib_bundle_data") {
   _target_name = target_name
   _compile_target_name = _target_name + "_compile_ibtool"
 
-  compile_xibs(_compile_target_name) {
+  compile_ib_files(_compile_target_name) {
     forward_variables_from(invoker, [ "testonly" ])
     visibility = [ ":$_target_name" ]
     sources = invoker.sources
+    output_extension = "nib"
     ibtool_flags = [
       "--minimum-deployment-target",
       mac_deployment_target,

ios/chrome/app/resources/BUILD.gn

@@ -107,7 +107,7 @@ bundle_data("launchscreen_assets") {
   ]
 }
 
-bundle_data_xib("launchscreen_xib") {
+bundle_data_ib_file("launchscreen_xib") {
   source = "LaunchScreen.xib"
   deps = [
     ios_launchscreen_assets_target,

ios/chrome/browser/ui/BUILD.gn

@@ -77,7 +77,7 @@ source_set("unit_tests") {
   ]
 }
 
-bundle_data_xib("native_content_controller_test_xib") {
+bundle_data_ib_file("native_content_controller_test_xib") {
   visibility = [ ":unit_tests" ]
   testonly = true
   source = "native_content_controller_test.xib"

ios/chrome/browser/ui/downloads/BUILD.gn

@@ -29,6 +29,6 @@ bundle_data("assets") {
   ]
 }
 
-bundle_data_xib("download_manager_controller_xib") {
+bundle_data_ib_file("download_manager_controller_xib") {
   source = "resources/DownloadManagerController.xib"
 }