Move c/b/media/router/mojo/*.mojom to chrome/common/media_router/mojo/*.mojom

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 0d2fca909d220516a7124a1ef49cd284cf78884a..b0846cbb19a194cb7c127c1cb58878df3c4fc4b3 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -4416,18 +4416,12 @@ test("unit_tests") {
       "../browser/media/cast_remoting_connector_unittest.cc",
       "../browser/media/router/browser_presentation_connection_proxy_unittest.cc",
       "../browser/media/router/create_presentation_connection_request_unittest.cc",
-      "../browser/media/router/discovery/media_sink_internal_unittest.cc",
       "../browser/media/router/issue_manager_unittest.cc",
-      "../browser/media/router/issue_unittest.cc",
-      "../browser/media/router/media_route_unittest.cc",
       "../browser/media/router/media_router_base_unittest.cc",
       "../browser/media/router/media_router_dialog_controller_unittest.cc",
       "../browser/media/router/media_router_factory_unittest.cc",
       "../browser/media/router/media_router_metrics_unittest.cc",
-      "../browser/media/router/media_sink_unittest.cc",
       "../browser/media/router/media_sinks_observer_unittest.cc",
-      "../browser/media/router/media_source_helper_unittest.cc",
-      "../browser/media/router/media_source_unittest.cc",
       "../browser/media/router/offscreen_presentation_manager_factory_unittest.cc",
       "../browser/media/router/offscreen_presentation_manager_unittest.cc",
       "../browser/media/router/presentation_media_sinks_observer_unittest.cc",
@@ -4449,7 +4443,6 @@ test("unit_tests") {
         "../browser/media/router/mojo/media_route_controller_unittest.cc",
         "../browser/media/router/mojo/media_router_mojo_impl_unittest.cc",
         "../browser/media/router/mojo/media_router_mojo_metrics_unittest.cc",
-        "../browser/media/router/mojo/media_router_struct_traits_unittest.cc",
         "../browser/ui/toolbar/media_router_action_controller_unittest.cc",
         "../browser/ui/toolbar/media_router_action_unittest.cc",
         "../browser/ui/toolbar/media_router_contextual_menu_unittest.cc",