Add media router common classes and unittests.

Create makefiles and integrate MR with GN build.
Add to GYP build.

BUG=460660
R=scherkus@chromium.org,DaleCurtis@chromium.org,xhwang@chromium.org,mfoltz@chromium.org,sky@chromium.org

Review URL: https://codereview.chromium.org/949293004

Cr-Commit-Position: refs/heads/master@{#320186}

1 files changed, 7 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 9903afb..7082af0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -124,6 +124,13 @@ group("gn_all") {
     deps += [ "//ui/ozone" ]
   }
 
+  if (enable_media_router) {
+    deps += [
+      "//chrome/browser/media/router/",
+      "//chrome/browser/media/router:unit_tests",
+    ]
+  }
+
   if (is_win || is_mac || is_chromeos) {
     # RLZ works on these platforms.
     # TODO(GYP): Is this target needed, or pulled in automatically?