Fix media_mojo builds

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("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//services/service_manager/public/tools/test/service_test.gni")
 import("//testing/test.gni")
@@ skipping 120 matching lines @@
     sources += [
       "android_mojo_media_client.cc",
       "android_mojo_media_client.h",
     ]
   }
 }
 
 service("media") {
   testonly = true
 
-  # crbug.com/676418: Suppress symbol import warnings.
-  if (is_win && is_component_build) {
-    ldflags = [ "/ignore:4217" ]
-  }
+  # As long as //media/mojo/services:lib is a source_set, this needs to be
+  # set as the source will be bundled with this service code.

[xhwang, 2017/03/08 00:35:18]

Could you please provide a few more details, e.g. the import/export is causing
conflict...

+  # http://crbug.com/670094
+  defines = [ "MEDIA_MOJO_IMPLEMENTATION" ]
 
   sources = [
     "main.cc",
   ]
 
   public_deps = [
     "//base",
     "//media",
   ]
 
@@ skipping 66 matching lines @@
 
 catalog("media_service_unittests_catalog") {
   embedded_services = [ ":test_manifest" ]
   standalone_services = [ ":media_manifest" ]
 }
 
 catalog("media_pipeline_integration_unittests_catalog") {
   embedded_services = [ ":pipeline_test_manifest" ]
   standalone_services = [ ":media_manifest" ]
 }