XXX test gn format everything

components/navigation_interception/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.
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
 static_library("navigation_interception") {
   sources = [
@@ skipping 18 matching lines @@
       "intercept_navigation_delegate.cc",
       "intercept_navigation_delegate.h",
       "navigation_params_android.h",
       "navigation_params_android.cc",
     ]
     deps += [ ":jni_headers" ]
   }
 }
 
 if (is_android) {
-
   # GYP: //components/navigation_interception.gypi:navigation_interception_jni_headers
   generate_jni("jni_headers") {
     sources = [
       "android/java/src/org/chromium/components/navigation_interception/InterceptNavigationDelegate.java",
       "android/java/src/org/chromium/components/navigation_interception/NavigationParams.java",
     ]
     jni_package = "navigation_interception"
   }
 }