[MediaRouter] Renames CloseRoute() to Terminate() and creates DetachRoute()

chrome/browser/media/router/media_router_metrics.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_METRICS_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_METRICS_H_
 
 #include "base/time/time.h"
 
 namespace media_router {
@@ skipping 10 matching lines @@
   PAGE = 3,
 
   // NOTE: Add entries only immediately above this line.
   TOTAL_COUNT = 4
 };
 
 // Why the Media Route Provider process was woken up.
 enum class MediaRouteProviderWakeReason {
   CREATE_ROUTE = 0,
   JOIN_ROUTE = 1,
-  CLOSE_ROUTE = 2,
+  TERMINATE_ROUTE = 2,
   SEND_SESSION_MESSAGE = 3,
   SEND_SESSION_BINARY_MESSAGE = 4,
-  PRESENTATION_SESSION_DETACHED = 5,
+  DETACH_ROUTE = 5,
   START_OBSERVING_MEDIA_SINKS = 6,
   STOP_OBSERVING_MEDIA_SINKS = 7,
   START_OBSERVING_MEDIA_ROUTES = 8,
   STOP_OBSERVING_MEDIA_ROUTES = 9,
   LISTEN_FOR_ROUTE_MESSAGES = 10,
   STOP_LISTENING_FOR_ROUTE_MESSAGES = 11,
   CONNECTION_ERROR = 12,
   REGISTER_MEDIA_ROUTE_PROVIDER = 13,
 
   // NOTE: Add entries only immediately above this line.
@@ skipping 17 matching lines @@
 
   // Records the duration it takes for the Media Router dialog to load its
   // initial data after a user clicks to open the dialog.
   static void RecordMediaRouterDialogLoaded(
       const base::TimeDelta delta);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_METRICS_H_