Dart: Reorganize files

mojo/dart/unittests/BUILD.gn

Index: mojo/dart/unittests/BUILD.gn
diff --git a/mojom/BUILD.gn b/mojo/dart/unittests/BUILD.gn
similarity index 51%
copy from mojom/BUILD.gn
copy to mojo/dart/unittests/BUILD.gn
index c8ca4643445fb6e057d95f3d9c0b6e87bdb5b695..804bcb5a345fd826b8bfdba344f520b4bf92629a 100644
--- a/mojom/BUILD.gn
+++ b/mojo/dart/unittests/BUILD.gn
@@ -2,12 +2,11 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//testing/test.gni")
-
-group("mojom") {
+group("unittests") {
   testonly = true
-  deps = []
-  if (is_linux && defined(go_build_tool) && go_build_tool != "") {
-    deps += [ "//mojom/mojom_parser" ]
-  }
+  deps = [
+    "//mojo/dart/unittests/embedder_tester",
+    "//mojo/dart/unittests/http_load_test",
+    "//mojo/dart/unittests/observatory_test",
+  ]
 }