Pass origin to StartObservingMediaSinks.

chrome/test/media_router/media_router_e2e_browsertest.cc

Index: chrome/test/media_router/media_router_e2e_browsertest.cc
diff --git a/chrome/test/media_router/media_router_e2e_browsertest.cc b/chrome/test/media_router/media_router_e2e_browsertest.cc
index 6b232d61c6dc69afc72c8867cee60cecbddc9f9c..3792ffde865c04c9e157a452f01a876f43febd32 100644
--- a/chrome/test/media_router/media_router_e2e_browsertest.cc
+++ b/chrome/test/media_router/media_router_e2e_browsertest.cc
@@ -79,7 +79,6 @@ void MediaRouterE2EBrowserTest::OnRouteResponseReceived(
 
 void MediaRouterE2EBrowserTest::CreateMediaRoute(
     const MediaSource& source,
-    const GURL& origin,
     content::WebContents* web_contents) {
   DCHECK(media_router_);
   observer_.reset(new TestMediaSinksObserver(media_router_, source));
@@ -101,9 +100,9 @@ void MediaRouterE2EBrowserTest::CreateMediaRoute(
   route_response_callbacks.push_back(
       base::Bind(&MediaRouterE2EBrowserTest::OnRouteResponseReceived,
                  base::Unretained(this)));
-  media_router_->CreateRoute(source.id(), sink.id(), origin, web_contents,
-                             route_response_callbacks, base::TimeDelta(),
-                             is_off_the_record());
+  media_router_->CreateRoute(source.id(), sink.id(), GURL(source.origin()),
+                             web_contents, route_response_callbacks,
+                             base::TimeDelta(), is_off_the_record());
 
   // Wait for the route request to be fulfilled (and route to be started).
   ASSERT_TRUE(ConditionalWait(
@@ -149,7 +148,7 @@ IN_PROC_BROWSER_TEST_F(MediaRouterE2EBrowserTest, MANUAL_TabMirroring) {
 
   // Wait for 30 seconds to make sure the route is stable.
   CreateMediaRoute(
-      MediaSourceForTab(tab_id), GURL(kOriginUrl), web_contents);
+      MediaSourceForTab(tab_id), web_contents);
   Wait(base::TimeDelta::FromSeconds(30));
 
   // Wait for 10 seconds to make sure route has been stopped.
@@ -159,8 +158,9 @@ IN_PROC_BROWSER_TEST_F(MediaRouterE2EBrowserTest, MANUAL_TabMirroring) {
 
 IN_PROC_BROWSER_TEST_F(MediaRouterE2EBrowserTest, MANUAL_CastApp) {
   // Wait for 30 seconds to make sure the route is stable.
-  CreateMediaRoute(MediaSourceForPresentationUrl(kCastAppPresentationUrl),
-                   GURL(kOriginUrl), nullptr);
+  CreateMediaRoute(MediaSourceForPresentationUrl(kCastAppPresentationUrl,
+                                                 kOriginUrl),
+                   nullptr);
   Wait(base::TimeDelta::FromSeconds(30));
 
   // Wait for 10 seconds to make sure route has been stopped.