[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 2dc8a3c5bffd6cc63e4920ba7e2999e7947e2378..c550417f7fa82b1831632b3e90c15c437553f7dd 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -1019,9 +1019,6 @@ 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",
@@ -1306,6 +1303,10 @@ test("content_unittests") {
     "../common/page_state_serialization_unittest.cc",
     "../common/page_zoom_unittest.cc",
     "../common/plugin_list_unittest.cc",
+    "../common/quarantine/quarantine_linux_unittest.cc",
+    "../common/quarantine/quarantine_mac_unittest.mm",
+    "../common/quarantine/quarantine_unittest.cc",
+    "../common/quarantine/quarantine_win_unittest.cc",
     "../common/sandbox_mac_compiler_unittest.mm",
     "../common/sandbox_mac_diraccess_unittest.mm",
     "../common/sandbox_mac_fontloading_unittest.mm",