Use indexOf over includes for better older browser compat (#10524)
Use indexOf over includes for better older browser compat (#10524)

craigcook/bedrock,alexgibson/bedrock,sylvestre/bedrock,alexgibson/bedrock,sylvestre/bedrock,alexgibson/bedrock,sylvestre/bedrock,mozilla/bedrock,mozilla/bedrock,pascalchevrel/bedrock,mozilla/bedrock,pascalchevrel/bedrock,pascalchevrel/bedrock,alexgibson/bedrock,craigcook/bedrock,flodolo/bedrock,craigcook/bedrock,sylvestre/bedrock,pascalchevrel/bedrock,craigcook/bedrock,flodolo/bedrock,flodolo/bedrock,flodolo/bedrock,mozilla/bedrock