[PoC] Reformat all BUILD.gn and *.gni files with new gn.

mojo/edk/system/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("//testing/test.gni")
 import("../../../mojo/public/tools/bindings/mojom.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 98 matching lines @@
                             # which is uninteresting.
   }
 
   allow_circular_includes_from = [ "../embedder" ]
 }
 
 group("tests") {
   testonly = true
   deps = [
     # TODO(use_chrome_edk): remove "2"
+    ":mojo_message_pipe_perftests2",
     ":mojo_system_unittests2",
-    ":mojo_message_pipe_perftests2",
   ]
 }
 
 source_set("test_utils") {
   testonly = true
 
   sources = [
     "test_utils.cc",
     "test_utils.h",
   ]
@@ skipping 39 matching lines @@
     "simple_dispatcher_unittest.cc",
     "waiter_test_utils.cc",
     "waiter_test_utils.h",
     "waiter_unittest.cc",
   ]
 
   deps = [
     ":test_utils",
 
     # TODO(use_chrome_edk): remove "2"
+    "../../../mojo/public/cpp/environment:standalone",
     "../embedder:embedder_unittests2",
-    "../../../mojo/public/cpp/environment:standalone",
     "../test:test_support",
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
 
     # TODO(use_chrome_edk): temporary since the Mojo wrapper primitives are
     # declared in third party only for now.
     "//third_party/mojo/src/mojo/edk/system",
   ]
 
   # TODO(use_chrome_edk): remove "2"
   allow_circular_includes_from = [ "../embedder:embedder_unittests2" ]
 }
 
 # TODO(use_chrome_edk): remove "2"
 test("mojo_message_pipe_perftests2") {
   sources = [
     "message_pipe_perftest.cc",
     "message_pipe_test_utils.cc",
     "message_pipe_test_utils.h",
   ]
 
   deps = [
     ":test_utils",
+    "../../../mojo/public/cpp/environment:standalone",
+    "../test:run_all_perftests",
     "../test:test_support",
-    "../test:run_all_perftests",
-    "../../../mojo/public/cpp/environment:standalone",
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
 
     # TODO(use_chrome_edk): temporary since the Mojo wrapper primitives are
     # declared in third party only for now.
     "//third_party/mojo/src/mojo/edk/system",
   ]
 }