Adding crash utilities to chromecast/crash.

chromecast/BUILD.gn

Index: chromecast/BUILD.gn
diff --git a/chromecast/BUILD.gn b/chromecast/BUILD.gn
index 6169cf8680863712ea2ad348fdd5d7cbe8074a85..e5f3b89ee80e91c086a081763e0365fc750e79b7 100644
--- a/chromecast/BUILD.gn
+++ b/chromecast/BUILD.gn
@@ -16,6 +16,18 @@ component("chromecast") {
   deps = [
     "//chromecast/base",
     "//chromecast/base/metrics",
+    "//chromecast/crash",
     "//chromecast/media",
   ]
 }
+
+group("chromecast_unittests") {
+  testonly = true
+
+  deps = [
+    "//chromecast/app:cast_shell_unittests",
+    "//chromecast/base:cast_base_unittests",
+    "//chromecast/crash:cast_crash_unittests",
+    "//chromecast/media:cast_media_unittests",
+  ]
+}