gn win: Pass gperf path in css_properties generator

Source/build/scripts/scripts.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("//third_party/WebKit/Source/config.gni")
 
 # All paths in this file should be absolute so targets in any directory can use
 # them without worrying about the current directory.
 _scripts_dir = "//third_party/WebKit/Source/build/scripts"
 
@@ skipping 73 matching lines @@
 # Template to run most of scripts that process "*.in" files.
 #   script: script to run.
 #   in_files: ".in" files to pass to the script
 #   other_inputs: (optional) other input files the script depends on
 #                 defaults to "scripts_for_in_files" (if specified, we assume
 #                 that the contents of "scripts_for_in_files" are included in
 #                 this list specified since this is how these lists are filled
 #                 from the GYP build.
 #   outputs: expected results. Note that the directory of the 0th item in this
 #            list will be taken to be the output path.
-#   other_args: (optional) other arguements to pass to the script.
+#   other_args: (optional) other arguments to pass to the script.
 template("process_in_files") {
   action(target_name) {
     script = invoker.script
 
     inputs = invoker.in_files
     if (defined(invoker.other_inputs)) {
       inputs += invoker.other_inputs
     } else {
       inputs += scripts_for_in_files
     }
@@ skipping 17 matching lines @@
 # process_in_files.
 #   outputs: expected results
 template("css_properties") {
   process_in_files(target_name) {
     script = invoker.script
     in_files = ["css/CSSProperties.in"]
     other_inputs = css_properties_files
     if (defined(invoker.other_inputs)) {
       other_inputs += invoker.other_inputs
     }
+    other_args = [
+      "--gperf", gperf_exe,
+    ]
     outputs = invoker.outputs
   }
 }
 
 # Template to run the make_names script. This is a special case of
 # process_in_files.
 #   in_files: files to pass to the script
 #   outputs: expected results
 template("make_names") {
   process_in_files(target_name) {
@@ skipping 42 matching lines @@
 
     args = [
       rebase_path(invoker.input_file, root_build_dir),
       rebase_path(invoker.output_file, root_build_dir),
     ]
 
     deps = make_core_generated_deps
   }
 }