[Downloads] Consolidate MOTW annotation APIs into a single API.

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index 9c35476e9eb6a2ec0a883446b536c929c24c48d5..fea15a283af172e14aef73fe88206c0be478f225 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -474,8 +474,6 @@ source_set("browser") {
     "dom_storage/session_storage_namespace_impl.h",
     "download/base_file.cc",
     "download/base_file.h",
-    "download/base_file_linux.cc",
-    "download/base_file_mac.cc",
     "download/base_file_posix.cc",
     "download/base_file_win.cc",
     "download/download_create_info.cc",
@@ -509,12 +507,14 @@ source_set("browser") {
     "download/drag_download_file.h",
     "download/drag_download_util.cc",
     "download/drag_download_util.h",
-    "download/file_metadata_linux.cc",
-    "download/file_metadata_linux.h",
-    "download/file_metadata_mac.h",
-    "download/file_metadata_mac.mm",
     "download/mhtml_generation_manager.cc",
     "download/mhtml_generation_manager.h",
+    "download/quarantine.cc",
+    "download/quarantine.h",
+    "download/quarantine_constants_linux.h",
+    "download/quarantine_linux.cc",
+    "download/quarantine_mac.mm",
+    "download/quarantine_win.cc",
     "download/rate_estimator.cc",
     "download/rate_estimator.h",
     "download/save_file.cc",
@@ -1135,8 +1135,6 @@ source_set("browser") {
     "resolve_proxy_msg_helper.h",
     "resource_context_impl.cc",
     "resource_context_impl.h",
-    "safe_util_win.cc",
-    "safe_util_win.h",
     "screen_orientation/screen_orientation_delegate_win.cc",
     "screen_orientation/screen_orientation_delegate_win.h",
     "screen_orientation/screen_orientation_dispatcher_host_impl.cc",