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

remoting/host/BUILD.gn

Index: remoting/host/BUILD.gn
diff --git a/remoting/host/BUILD.gn b/remoting/host/BUILD.gn
index f62a03f33701ad567ee7f4c063b7228cf2de6629..8061e5e0bcb2e0917f66deccd8ba54714d1225fb 100644
--- a/remoting/host/BUILD.gn
+++ b/remoting/host/BUILD.gn
@@ -80,8 +80,8 @@ if (is_mac) {  # TODO(GYP) Mac build of remoting host.
       "//remoting/protocol",
       "//remoting/resources",
       "//ui/base",
-      "//ui/events/platform",
       "//ui/events:dom_keycode_converter",
+      "//ui/events/platform",
     ]
 
     if (enable_configuration_policy) {
@@ -320,9 +320,9 @@ if (is_mac) {  # TODO(GYP) Mac build of remoting host.
     deps = [
       ":host",
       ":test_support",
-      "//remoting/host/setup",
       "//remoting/host/it2me:common",
       "//remoting/host/native_messaging",
+      "//remoting/host/setup",
       "//remoting/proto",
       "//skia",
       "//testing/gmock",
@@ -525,8 +525,8 @@ if (is_mac) {  # TODO(GYP) Mac build of remoting host.
         ]
 
         deps = [
-          ":remoting_me2me_host_static",
           ":credits",
+          ":remoting_me2me_host_static",
           "//build/config/sanitizers:deps",
         ]
       }
@@ -543,8 +543,8 @@ if (is_mac) {  # TODO(GYP) Mac build of remoting host.
           "//base",
           "//remoting/base:breakpad",
           "//remoting/host",
-          "//remoting/host/setup",
           "//remoting/host/native_messaging",
+          "//remoting/host/setup",
         ]
 
         configs += [ "//build/config/compiler:wexit_time_destructors" ]