Update mojo sdk to rev f84766d3b6420b7cf6a113d9d65d73cb5fe18d90

third_party/mojo/src/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")
 
 mojo_sdk_source_set("bindings") {
   sources = [
     "array.h",
     "binding.h",
     "error_handler.h",
     "interface_ptr.h",
     "interface_ptr_info.h",
     "interface_request.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/connector.cc",
     "lib/connector.h",
+    "lib/control_message_handler.cc",
+    "lib/control_message_handler.h",
+    "lib/control_message_proxy.cc",
+    "lib/control_message_proxy.h",
     "lib/filter_chain.cc",
     "lib/filter_chain.h",
     "lib/fixed_buffer.cc",
     "lib/fixed_buffer.h",
     "lib/interface_ptr_internal.h",
     "lib/map_data_internal.h",
     "lib/map_internal.h",
     "lib/map_serialization.h",
     "lib/message.cc",
     "lib/message_builder.cc",
@@ skipping 25 matching lines @@
     "type_converter.h",
   ]
 
   deps = [
     ":callback",
   ]
 
   mojo_sdk_deps = [
     "mojo/public/cpp/environment",
     "mojo/public/cpp/system",
+    "mojo/public/interfaces/bindings:bindings_cpp_sources",
   ]
 }
 
 mojo_sdk_source_set("callback") {
   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" ]
 }