Show policy allowed URLs as policy exceptions in the media settings.

chrome/test/data/policy/policy_test_cases.json

Index: chrome/test/data/policy/policy_test_cases.json
diff --git a/chrome/test/data/policy/policy_test_cases.json b/chrome/test/data/policy/policy_test_cases.json
index 526e90659d8e50be64596ee50c1ad9c1b021ddf8..d856e0348086d7b2f1c13a0248f33ea5d5677cc9 100644
--- a/chrome/test/data/policy/policy_test_cases.json
+++ b/chrome/test/data/policy/policy_test_cases.json
@@ -1148,7 +1148,11 @@
     "test_policy": { "AudioCaptureAllowedUrls": ["[*.]google.com"] },
     "pref_mappings": [
       {
-        "pref": "hardware.audio_capture_allowed_urls"
+        "pref": "hardware.audio_capture_allowed_urls",
+        "indicator_selector": "[content-exception=media-stream-mic]",
+        "indicator_tests": [
+          { "policy": { "AudioCaptureAllowedUrls": ["[*.]google.com"] } }
+        ]
       }
     ]
   },
@@ -1173,7 +1177,11 @@
     "test_policy": { "VideoCaptureAllowedUrls": ["[*.]google.com"] },
     "pref_mappings": [
       {
-        "pref": "hardware.video_capture_allowed_urls"
+        "pref": "hardware.video_capture_allowed_urls",
+        "indicator_selector": "[content-exception=media-stream-camera]",
+        "indicator_tests": [
+          { "policy": { "VideoCaptureAllowedUrls": ["[*.]google.com"] } }
+        ]
       }
     ]
   },