[PPAPI] Quarantine files that are writeable by a Pepper plugin.

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index a1c29f08c8a249b4b67ae776742064fd93c3c29c..4f36a513bb63fb1d983fc4a6abd3ecdf5c073284 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -1016,9 +1016,6 @@ test("content_unittests") {
     "../browser/download/download_file_unittest.cc",
     "../browser/download/download_item_impl_unittest.cc",
     "../browser/download/download_manager_impl_unittest.cc",
-    "../browser/download/quarantine_linux_unittest.cc",
-    "../browser/download/quarantine_mac_unittest.mm",
-    "../browser/download/quarantine_win_unittest.cc",
     "../browser/download/rate_estimator_unittest.cc",
     "../browser/download/save_package_unittest.cc",
     "../browser/fileapi/copy_or_move_file_validator_unittest.cc",
@@ -1301,6 +1298,10 @@ test("content_unittests") {
     "../common/page_state_serialization_unittest.cc",
     "../common/page_zoom_unittest.cc",
     "../common/plugin_list_unittest.cc",
+    "../common/quarantine_linux_unittest.cc",
+    "../common/quarantine_mac_unittest.mm",
+    "../common/quarantine_unittest.cc",
+    "../common/quarantine_win_unittest.cc",
     "../common/sandbox_mac_compiler_unittest.mm",
     "../common/sandbox_mac_diraccess_unittest.mm",
     "../common/sandbox_mac_fontloading_unittest.mm",