Support exposing Mojo services between render frames, render threads, and their respective hosts.

content/content_common.gypi

Index: content/content_common.gypi
diff --git a/content/content_common.gypi b/content/content_common.gypi
index ad695576d5d48df3897a235cbdc30cf32526387b..d6d39f2b57e85a58e5ee5702ad69de8116121167 100644
--- a/content/content_common.gypi
+++ b/content/content_common.gypi
@@ -101,6 +101,7 @@
       'public/common/sandboxed_process_launcher_delegate.cc',
       'public/common/sandboxed_process_launcher_delegate.h',
       'public/common/security_style.h',
+      'public/common/service_registry.h',
       'public/common/show_desktop_notification_params.cc',
       'public/common/show_desktop_notification_params.h',
       'public/common/signed_certificate_timestamp_id_and_status.cc',
@@ -374,8 +375,8 @@
       'common/message_router.h',
       'common/mime_registry_messages.h',
       'common/mojo/mojo_messages.h',
-      'common/mojo/mojo_service_names.cc',
-      'common/mojo/mojo_service_names.h',
+      'common/mojo/service_registry_impl.cc',
+      'common/mojo/service_registry_impl.h',
       'common/navigation_gesture.h',
       'common/net/url_fetcher.cc',
       'common/net/url_request_user_data.cc',
@@ -532,8 +533,10 @@
         '../ipc/ipc.gyp:ipc',
         '../media/media.gyp:media',
         '../media/media.gyp:shared_memory_support',
+        '../mojo/mojo.gyp:mojo_cpp_bindings',
         '../mojo/mojo.gyp:mojo_environment_chromium',
         '../mojo/mojo.gyp:mojo_system_impl',
+        '../mojo/mojo.gyp:mojo_interface_provider_bindings',
         '../third_party/WebKit/public/blink.gyp:blink',
         '../ui/gl/gl.gyp:gl',
         '../webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',