MockIconExtractorImpl  616 chrome/browser/extensions/api/downloads/downloads_api_browsertest.cc   MockIconExtractorImpl(const base::FilePath& path,
MockIconExtractorImpl  636 chrome/browser/extensions/api/downloads/downloads_api_browsertest.cc           base::Bind(&MockIconExtractorImpl::RunCallback,
MockIconExtractorImpl  951 chrome/browser/extensions/api/downloads/downloads_api_browsertest.cc   function->SetIconExtractorForTesting(new MockIconExtractorImpl(