XXX test gn format everything

content/public/renderer/BUILD.gn

 # 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("//build/config/features.gni")
 import("//content/renderer/renderer.gni")
 
 # See //content/BUILD.gn for how this works.
 group("renderer") {
   if (is_component_build) {
-    public_deps = [ "//content" ]
+    public_deps = [
+      "//content",
+    ]
   } else {
-    public_deps = [ ":renderer_sources" ]
+    public_deps = [
+      ":renderer_sources",
+    ]
   }
 }
 
 source_set("renderer_sources") {
   visibility = [ "//content/*" ]
 
   sources = rebase_path(content_renderer_gypi_values.public_renderer_sources,
-                        ".", "//content")
+                        ".",
+                        "//content")
 
-  configs += [
-    "//content:content_implementation",
-  ]
+  configs += [ "//content:content_implementation" ]
 
   deps = [
     "//content/public/common:common_sources",
     "//content/renderer",
     "//skia",
     "//third_party/libjingle",
     "//third_party/WebKit/public:blink_headers",
     "//third_party/widevine/cdm:version_h",
     "//ui/gfx",
     "//v8",
   ]
 
   allow_circular_includes_from = [
     # This target is a pair with content/renderer. They always go together and
     # include headers from each other.
     "//content/renderer",
   ]
 
   if (enable_webrtc) {
-    sources += rebase_path(
-        content_renderer_gypi_values.public_renderer_webrtc_sources,
-        ".", "//content")
+    sources +=
+        rebase_path(content_renderer_gypi_values.public_renderer_webrtc_sources,
+                    ".",
+                    "//content")
   }
 }