Integrate MediaPermission with PermissionManager by using PermissionContext.

chrome/browser/media/media_stream_device_permissions.cc

 // Copyright 2014 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/media_stream_device_permissions.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/origin_util.h"
 #include "extensions/common/constants.h"
 #include "url/gurl.h"
 
 bool ShouldPersistContentSetting(ContentSetting setting,
                                  const GURL& origin,
-                                 content::MediaStreamRequestType type) {
+                                 bool is_pepper_request) {
   // When the request is from an invalid scheme we don't persist it.
   if (!ContentSettingsPattern::FromURLNoWildcard(origin).IsValid())
     return false;
 
   // It's safe to persist block settings all the time.
   if (setting == CONTENT_SETTING_BLOCK)
     return true;
 
   // Pepper requests should always be persisted to prevent annoying users of
   // plugins.
-  if (type == content::MEDIA_OPEN_DEVICE)
+  if (is_pepper_request)
     return true;
 
   // We persist requests from secure origins.
   if (content::IsOriginSecure(origin))
     return true;
 
   return false;
 }
 
 MediaStreamDevicePolicy GetDevicePolicy(const Profile* profile,
@@ skipping 25 matching lines @@
 
   // If a match was not found, check if audio capture is otherwise disallowed
   // or if the user should be prompted.  Setting the policy value to "true"
   // is equal to not setting it at all, so from hereon out, we will return
   // either POLICY_NOT_SET (prompt) or ALWAYS_DENY (no prompt, no access).
   if (!prefs->GetBoolean(policy_name))
     return ALWAYS_DENY;
 
   return POLICY_NOT_SET;
 }