Permissions: Allow PermissionManager to return more PermissionStatusSources.

chrome/browser/media/webrtc/media_stream_device_permission_context.cc

Index: chrome/browser/media/webrtc/media_stream_device_permission_context.cc
diff --git a/chrome/browser/media/webrtc/media_stream_device_permission_context.cc b/chrome/browser/media/webrtc/media_stream_device_permission_context.cc
index 7a8813f03e4636fa613679c7be33f0db05d12b60..447f246ed849a5bd3380e424963b8844ed2fa3f2 100644
--- a/chrome/browser/media/webrtc/media_stream_device_permission_context.cc
+++ b/chrome/browser/media/webrtc/media_stream_device_permission_context.cc
@@ -54,7 +54,8 @@ void MediaStreamDevicePermissionContext::DecidePermission(
                                           callback);
 }
 
-ContentSetting MediaStreamDevicePermissionContext::GetPermissionStatusInternal(
+PermissionResult
+MediaStreamDevicePermissionContext::GetPermissionStatusInternal(
     content::RenderFrameHost* render_frame_host,
     const GURL& requesting_origin,
     const GURL& embedding_origin) const {
@@ -76,22 +77,24 @@ ContentSetting MediaStreamDevicePermissionContext::GetPermissionStatusInternal(
 
   switch (policy) {
     case ALWAYS_DENY:
-      return CONTENT_SETTING_BLOCK;
+      return PermissionResult(CONTENT_SETTING_BLOCK,
+                              PermissionStatusSource::ENTERPRISE_POLICY);
     case ALWAYS_ALLOW:
-      return CONTENT_SETTING_ALLOW;
+      return PermissionResult(CONTENT_SETTING_ALLOW,
+                              PermissionStatusSource::ENTERPRISE_POLICY);
     default:
       DCHECK_EQ(POLICY_NOT_SET, policy);
   }
 
   // Check the content setting. TODO(raymes): currently mic/camera permission
   // doesn't consider the embedder.
-  ContentSetting setting = PermissionContextBase::GetPermissionStatusInternal(
+  PermissionResult result = PermissionContextBase::GetPermissionStatusInternal(
       render_frame_host, requesting_origin, requesting_origin);
 
-  if (setting == CONTENT_SETTING_DEFAULT)
-    setting = CONTENT_SETTING_ASK;
+  if (result.content_setting == CONTENT_SETTING_DEFAULT)
+    result.content_setting = CONTENT_SETTING_ASK;
 
-  return setting;
+  return result;
 }
 
 void MediaStreamDevicePermissionContext::ResetPermission(