gn format '.gni' files.

third_party/WebKit/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"
 
 scripts_for_in_files = [
   # jinja2/__init__.py contains version string, so sufficient as
   # dependency for whole jinja2 package
   "//third_party/jinja2/__init__.py",
   "//third_party/markupsafe/__init__.py",  # jinja2 dep
   "$_scripts_dir/hasher.py",
   "$_scripts_dir/in_file.py",
   "$_scripts_dir/in_generator.py",
   "$_scripts_dir/license.py",
   "$_scripts_dir/name_utilities.py",
   "$_scripts_dir/template_expander.py",
   "$_scripts_dir/templates/macros.tmpl",
 ]
 
-css_properties_files = scripts_for_in_files + [
-  "$_scripts_dir/css_properties.py",
-]
+css_properties_files =
+    scripts_for_in_files + [ "$_scripts_dir/css_properties.py" ]
 
 make_event_factory_files = scripts_for_in_files + [
-  "$_scripts_dir/make_event_factory.py",
-  "$_scripts_dir/templates/EventFactory.cpp.tmpl",
-]
+                             "$_scripts_dir/make_event_factory.py",
+                             "$_scripts_dir/templates/EventFactory.cpp.tmpl",
+                           ]
 
 make_names_files = scripts_for_in_files + [
-  "$_scripts_dir/make_names.py",
-  "$_scripts_dir/templates/MakeNames.cpp.tmpl",
-  "$_scripts_dir/templates/MakeNames.h.tmpl",
-]
+                     "$_scripts_dir/make_names.py",
+                     "$_scripts_dir/templates/MakeNames.cpp.tmpl",
+                     "$_scripts_dir/templates/MakeNames.h.tmpl",
+                   ]
 
-make_qualified_names_files = scripts_for_in_files + [
-  "$_scripts_dir/make_qualified_names.py",
-  "$_scripts_dir/templates/MakeQualifiedNames.cpp.tmpl",
-  "$_scripts_dir/templates/MakeQualifiedNames.h.tmpl",
-]
+make_qualified_names_files =
+    scripts_for_in_files + [
+      "$_scripts_dir/make_qualified_names.py",
+      "$_scripts_dir/templates/MakeQualifiedNames.cpp.tmpl",
+      "$_scripts_dir/templates/MakeQualifiedNames.h.tmpl",
+    ]
 
-make_element_factory_files = make_qualified_names_files + [
-  "$_scripts_dir/make_element_factory.py",
-  "$_scripts_dir/templates/ElementFactory.cpp.tmpl",
-  "$_scripts_dir/templates/ElementFactory.h.tmpl",
-]
+make_element_factory_files =
+    make_qualified_names_files + [
+      "$_scripts_dir/make_element_factory.py",
+      "$_scripts_dir/templates/ElementFactory.cpp.tmpl",
+      "$_scripts_dir/templates/ElementFactory.h.tmpl",
+    ]
 
-make_element_type_helpers_files = make_qualified_names_files + [
-  "$_scripts_dir/make_element_type_helpers.py",
-  "$_scripts_dir/templates/ElementTypeHelpers.h.tmpl",
-]
+make_element_type_helpers_files =
+    make_qualified_names_files + [
+      "$_scripts_dir/make_element_type_helpers.py",
+      "$_scripts_dir/templates/ElementTypeHelpers.h.tmpl",
+    ]
 
 # The executables are relative to the build directory. Don't rebase it because
 # on Posix we want to run the system one on the path.
 if (is_win) {
   gperf_exe = rebase_path("//third_party/gperf/bin/gperf.exe", root_build_dir)
   bison_exe = rebase_path("//third_party/bison/bin/bison.exe", root_build_dir)
 } else {
   gperf_exe = "gperf"
   bison_exe = "bison"
 }
@@ skipping 33 matching lines @@
       inputs += invoker.other_inputs
     } else {
       inputs += scripts_for_in_files
     }
     outputs = invoker.outputs
 
     # Extract the directory to write files to.
     output_dir = get_path_info(outputs[0], "dir")
 
     args = rebase_path(invoker.in_files, root_build_dir) + [
-      "--output_dir", rebase_path(output_dir, root_build_dir),
-    ]
+             "--output_dir",
+             rebase_path(output_dir, root_build_dir),
+           ]
     if (defined(invoker.other_args)) {
       args += invoker.other_args
     }
 
     deps = make_core_generated_deps
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
   }
 }
 
 # Template for scripts using css_properties.py. This is a special case of
 # process_in_files.
 #   outputs: expected results
 template("css_properties") {
   process_in_files(target_name) {
     script = invoker.script
-    in_files = ["css/CSSProperties.in"]
+    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,
+      "--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
 #   deps [optional]: additional dependencies
@@ skipping 40 matching lines @@
 }
 
 # Calls the make_token_matcher script.
 #   input_file: The "*-in.cpp" file
 #   output_file: The output file
 template("make_token_matcher") {
   action(target_name) {
     script = "//third_party/WebKit/Source/build/scripts/make_token_matcher.py"
 
     inputs = scripts_for_in_files + [ invoker.input_file ]
-    outputs = [ invoker.output_file ]
+    outputs = [
+      invoker.output_file,
+    ]
 
     args = [
       rebase_path(invoker.input_file, root_build_dir),
       rebase_path(invoker.output_file, root_build_dir),
     ]
 
     deps = make_core_generated_deps
   }
 }