Remove unneeded dependency, forward declaration, and header include.

media/mojo/services/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("//media/media_options.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
 
 # Target naming conventions:
 # - converters: C++/Mojo type converters.
@@ skipping 14 matching lines @@
     "media_type_converters.h",
   ]
 
   deps = [
     "//base",
     "//media",
     "//media/mojo/interfaces",
     "//mojo/common",
     "//mojo/converters/geometry",
     "//mojo/environment:chromium",
-    "//skia",
     "//third_party/mojo/src/mojo/public/c/system:for_component",
     "//third_party/mojo_services/src/geometry/public/interfaces",
   ]
 }
 
 source_set("cdm_proxy") {
   deps = [
     ":converters",
     "//base",
     "//media",
@@ skipping 155 matching lines @@
 group("tests") {
   testonly = true
   deps = [
     ":media_mojo_unittests",
   ]
 
   if (!is_component_build) {
     deps += [ ":media_test" ]
   }
 }