Build library for the Dart Content Handler.

services/dart/BUILD.gn

Index: services/dart/BUILD.gn
diff --git a/services/dart/BUILD.gn b/services/dart/BUILD.gn
index d41ff334d9215c26f96b69a9d10abfbe41bcb3dd..7cd2e69203aa4118e4717f5601dc9931c3960e3e 100644
--- a/services/dart/BUILD.gn
+++ b/services/dart/BUILD.gn
@@ -23,9 +23,23 @@ source_set("dart_controller") {
 
 mojo_native_application("dart_content_handler") {
   sources = [
+    "content_handler_main.cc",
+  ]
+
+  deps = [
+    ":lib",
+    "//mojo/application",
+  ]
+}
+
+# Library that allows the service code to be included directly into the
+# embedding shell. Used by https://manganese.googlesource.com/.
+source_set("lib") {
+  sources = [
+    "content_handler_app.cc",
+    "content_handler_app.h",
     "content_handler_app_service_connector.cc",
     "content_handler_app_service_connector.h",
-    "content_handler_main.cc",
     "dart_app.cc",
     "dart_app.h",
     "dart_tracing.cc",
@@ -40,9 +54,9 @@ mojo_native_application("dart_content_handler") {
     "//dart/runtime:libdart",
     "//mojo/application",
     "//mojo/application:content_handler",
+    "//mojo/common:tracing_impl",
     "//mojo/dart/embedder:dart_controller_no_snapshot",
     "//mojo/data_pipe_utils",
-    "//mojo/common:tracing_impl",
     "//mojo/environment:chromium",
     "//mojo/public/cpp/system",
     "//mojo/public/cpp/utility",