Remove obsolete Cast extension IDs from various whitelists and files.

chrome/browser/media/webrtc/media_capture_devices_dispatcher.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 98 matching lines @@
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterStringPref(prefs::kDefaultAudioCaptureDevice,
                                std::string());
   registry->RegisterStringPref(prefs::kDefaultVideoCaptureDevice,
                                std::string());
 }
 
 bool MediaCaptureDevicesDispatcher::IsOriginForCasting(const GURL& origin) {
   // Whitelisted tab casting extensions.
   return
-      // Dev
+      // Media Router Dev
       origin.spec() == "chrome-extension://enhhojjnijigcajfphajepfemndkmdlo/" ||
-      // Canary
-      origin.spec() == "chrome-extension://hfaagokkkhdbgiakmmlclaapfelnkoah/" ||
-      // Beta (internal)
-      origin.spec() == "chrome-extension://fmfcbgogabcbclcofgocippekhfcmgfj/" ||
-      // Google Cast Beta
-      origin.spec() == "chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm/" ||
-      // Google Cast Stable
-      origin.spec() == "chrome-extension://boadgeojelhgndaghljhdicfkmllpafd/" ||
-      // http://crbug.com/457908
-      origin.spec() == "chrome-extension://ekpaaapppgpmolpcldedioblbkmijaca/" ||
-      // http://crbug.com/574889
+      // Media Router Stable
       origin.spec() == "chrome-extension://pkedcjkdefgpdelpbcmbmeomcjbeemfm/";
 }
 
 void MediaCaptureDevicesDispatcher::AddObserver(Observer* observer) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!observers_.HasObserver(observer))
     observers_.AddObserver(observer);
 }
 
 void MediaCaptureDevicesDispatcher::RemoveObserver(Observer* observer) {
@@ skipping 317 matching lines @@
 #if BUILDFLAG(ENABLE_EXTENSIONS)
   for (MediaAccessHandler* handler : media_access_handlers_) {
     if (handler->SupportsStreamType(stream_type, nullptr)) {
       ToCaptureAccessHandlerBase(handler)->UpdateCapturingLinkSecured(
           render_process_id, render_frame_id, page_request_id, is_secure);
       break;
     }
   }
 #endif
 }