Replace image_messages.h with Mojo service

content/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
@@ skipping 98 matching lines @@
       "//components/scheduler:common",
       "//content/app/resources",
       "//content/app/strings",
       "//content/browser/devtools:gen_devtools_protocol_handler",
       "//content/browser/devtools:resources",
       "//content/common:mojo_bindings",
       "//content/public/common:mojo_bindings",
       "//device/bluetooth",
       "//gin",
       "//mojo/application/public/interfaces",
+      "//mojo/common:url_type_converters",
+      "//mojo/converters/geometry",
+      "//skia/public",
       "//storage/browser",
       "//storage/common",
       "//third_party/WebKit/public:image_resources",
       "//third_party/WebKit/public:resources",
       "//third_party/angle:commit_id",
       "//third_party/icu",
       "//third_party/leveldatabase",
       "//third_party/libyuv",
       "//third_party/mojo/src/mojo/public/cpp/bindings",
       "//third_party/mojo/src/mojo/public/js",
@@ skipping 355 matching lines @@
   if (enable_webvr) {
     sources += [
       "vr/vr_device.cc",
       "vr/vr_device.h",
       "vr/vr_device_manager.cc",
       "vr/vr_device_manager.h",
       "vr/vr_device_provider.h",
     ]
   }
 }