Add output formatters for more mojom types.

mojo/public/cpp/bindings/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("../../mojo_sdk.gni")
 
 # This target provides source files and dependencies required for serializing
 # mojom types and has no references to the rest of the mojo system. It needs to
 # be linked with an |Environment| implementation for logging.
 mojo_sdk_source_set("serialization") {
   sources = [
     "array.h",
+    "formatting.h",
     "lib/array_internal.cc",
     "lib/array_internal.h",
     "lib/array_serialization.h",
     "lib/bindings_internal.h",
     "lib/bindings_serialization.cc",
     "lib/bindings_serialization.h",
     "lib/bounds_checker.cc",
     "lib/bounds_checker.h",
     "lib/buffer.h",
     "lib/fixed_buffer.cc",
@@ skipping 71 matching lines @@
   sources = [
     "callback.h",
     "lib/callback_internal.h",
     "lib/shared_data.h",
     "lib/shared_ptr.h",
     "lib/template_util.h",
   ]
 
   mojo_sdk_deps = [ "mojo/public/cpp/system" ]
 }