Revert of Sample 1% url whitelisted PPAPI downloads to ping safe browsing server

chrome/test/ppapi/ppapi_filechooser_browsertest.cc

Index: chrome/test/ppapi/ppapi_filechooser_browsertest.cc
diff --git a/chrome/test/ppapi/ppapi_filechooser_browsertest.cc b/chrome/test/ppapi/ppapi_filechooser_browsertest.cc
index c8fff768b66aef5069c64225b0fb15059d2d5efc..b57a91ea7d794d83435ae24a1abc8e3b7f8f162a 100644
--- a/chrome/test/ppapi/ppapi_filechooser_browsertest.cc
+++ b/chrome/test/ppapi/ppapi_filechooser_browsertest.cc
@@ -166,7 +166,6 @@
       const GURL& requestor_url,
       const base::FilePath& default_file_path,
       const std::vector<base::FilePath::StringType>& alternate_extensions,
-      Profile* profile_unused,
       const CheckDownloadCallback& callback) override {
     const auto iter =
         test_configuration_->result_map.find(default_file_path.Extension());