Replace image_messages.h with Mojo service

content/renderer/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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/renderer/renderer.gni")
 import("//media/media_options.gni")
 
 source_set("renderer") {
@@ skipping 26 matching lines @@
     "//device/battery:mojo_bindings",
     "//device/vibration:mojo_bindings",
     "//gin",
     "//gpu",
     "//gpu/command_buffer/client:gles2_interface",
     "//jingle:jingle_glue",
     "//media",
     "//media/blink",
     "//mojo/application/public/interfaces",
     "//mojo/environment:chromium",
+    "//mojo/common:url_type_converters",
+    "//mojo/converters/geometry",
     "//net",
     "//skia",
+    "//skia/public",
     "//storage/common",
     "//third_party/icu",
     "//third_party/libjingle",
     "//third_party/mojo/src/mojo/edk/js",
+    "//third_party/mojo/src/mojo/public/cpp/bindings",
     "//third_party/mojo/src/mojo/public/js",
     "//third_party/npapi",
     "//third_party/WebKit/public:blink",
     "//third_party/widevine/cdm:version_h",
     "//ui/accessibility",
     "//ui/base",
     "//ui/events:events_base",
     "//ui/events:dom_keycode_converter",
     "//ui/gl",
     "//ui/native_theme",
@@ skipping 136 matching lines @@
 
   if (enable_webvr) {
     sources += [
       "vr/vr_dispatcher.cc",
       "vr/vr_dispatcher.h",
       "vr/vr_type_converters.cc",
       "vr/vr_type_converters.h",
     ]
   }
 }