Move mojo/services/public/cpp TypeConverters to mojo/converters.

mojo/services/html_viewer/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.
 
 # GYP version: mojo/mojo_services.gypi:mojo_html_viewer
 shared_library("html_viewer") {
   output_name = "mojo_html_viewer"
 
   sources = [
     "blink_basic_type_converters.cc",
@@ skipping 34 matching lines @@
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
     "//cc",
     "//cc/blink",
     "//cc/surfaces",
     "//media",
     "//media/audio",
     "//media/base",
     "//media/blink",
+    "//mojo/application",
     "//mojo/cc",
     "//mojo/common",
-    "//mojo/application",
+    "//mojo/converters",
     "//mojo/public/c/system:for_shared_library",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/utility",
     "//mojo/public/interfaces/application",
     "//mojo/services/public/cpp/network",
     "//mojo/services/public/cpp/view_manager",
     "//mojo/services/public/interfaces/clipboard",
     "//mojo/services/public/interfaces/content_handler",
     "//mojo/services/public/interfaces/gpu",
     "//mojo/services/public/interfaces/input_events:input_events",
     "//mojo/services/public/interfaces/navigation",
     "//mojo/services/public/interfaces/network",
     "//mojo/services/public/interfaces/surfaces",
-    "//mojo/services/public/cpp/surfaces",
     "//net",
     "//skia",
     "//third_party/WebKit/public:blink",
     "//ui/native_theme",
     "//url",
   ]
 }