Revert of Convert MediaRouter mojom apis to intake url::Origin objects instead of strings

chrome/browser/media/router/mojo/media_router.mojom

Index: chrome/browser/media/router/mojo/media_router.mojom
diff --git a/chrome/browser/media/router/mojo/media_router.mojom b/chrome/browser/media/router/mojo/media_router.mojom
index 37fc064748de40d2a68f17ebec05798d2c3a4871..e26170d891ef309a70ee3b90f3a0097639aae6cb 100644
--- a/chrome/browser/media/router/mojo/media_router.mojom
+++ b/chrome/browser/media/router/mojo/media_router.mojom
@@ -5,7 +5,6 @@
 module media_router.mojom;
 
 import "mojo/common/time.mojom";
-import "url/mojo/origin.mojom";
 
 // Represents an output sink to which media can be routed.
 struct MediaSink {
@@ -171,7 +170,7 @@
   CreateRoute(string media_source,
               string sink_id,
               string original_presentation_id,
-              url.mojom.Origin origin,
+              string origin,
               int32 tab_id,
               mojo.common.mojom.TimeDelta timeout,
               bool incognito) =>
@@ -199,7 +198,7 @@
   // occurred.
   JoinRoute(string media_source,
             string presentation_id,
-            url.mojom.Origin origin,
+            string origin,
             int32 tab_id,
             mojo.common.mojom.TimeDelta timeout,
             bool incognito) =>
@@ -233,7 +232,7 @@
   ConnectRouteByRouteId(string media_source,
                         string route_id,
                         string presentation_id,
-                        url.mojom.Origin origin,
+                        string origin,
                         int32 tab_id,
                         mojo.common.mojom.TimeDelta timeout,
                         bool incognito) =>
@@ -364,7 +363,7 @@
   // compatible with |media_source|. The result is only valid for |origins|. If
   // |origins| is empty, the result is valid for any origin.
   OnSinksReceived(string media_source, array<MediaSink> sinks,
-      array<url.mojom.Origin> origins);
+      array<string> origins);
 
   // Called when issues are reported for media routes.
   OnIssue(Issue issue);