Enable the optional permission prompt persistence toggle on grouped infobars

chrome/browser/media/media_stream_devices_controller.h

Index: chrome/browser/media/media_stream_devices_controller.h
diff --git a/chrome/browser/media/media_stream_devices_controller.h b/chrome/browser/media/media_stream_devices_controller.h
index 3becc1d19c7bd93ea4fe977c4a6045446f1f766e..4a61aa3129de7cc31ff8d39fa04816c1f8f59307 100644
--- a/chrome/browser/media/media_stream_devices_controller.h
+++ b/chrome/browser/media/media_stream_devices_controller.h
@@ -41,6 +41,11 @@ class MediaStreamDevicesController : public PermissionRequest {
   bool IsAskingForVideo() const;
   base::string16 GetMessageText() const;
 
+  // Returns the PermissionsType associated with the provided
+  // ContentSettingsType. |content_type| must be a media stream type.
+  content::PermissionType GetPermissionTypeForContentSettingsType(
+      ContentSettingsType content_type) const;
+
   // Forces the permissions to be denied (without being persisted) regardless
   // of what the previous state was.  If the user had previously allowed the
   // site video or audio access, this ignores that and informs the site it was
@@ -57,6 +62,9 @@ class MediaStreamDevicesController : public PermissionRequest {
   // PermissionRequest instead of a custom infobar delegate.
   void GroupedRequestFinished(bool audio_accepted, bool video_accepted);
 
+  bool persist() const { return persist_; }
+  void set_persist(bool persist) { persist_ = persist; }
+
   // PermissionRequest:
   int GetIconId() const override;
   base::string16 GetMessageTextFragment() const override;
@@ -132,7 +140,7 @@ class MediaStreamDevicesController : public PermissionRequest {
   content::MediaResponseCallback callback_;
 
   // Whether the permissions granted or denied by the user should be persisted.
-  bool persist_permission_changes_;
+  bool persist_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDevicesController);
 };