GetExtensionGalleryHost  510 chrome/browser/media_galleries/media_file_system_registry.cc       GetExtensionGalleryHost(profile, preferences, extension->id());
GetExtensionGalleryHost  545 chrome/browser/media_galleries/media_file_system_registry.cc       GetExtensionGalleryHost(profile, preferences, extension->id());
GetExtensionGalleryHost  123 chrome/browser/media_galleries/media_file_system_registry.h   ExtensionGalleriesHost* GetExtensionGalleryHost(