# Disables file download quarantining

--- a/content/browser/renderer_host/pepper/pepper_file_io_host.cc
+++ b/content/browser/renderer_host/pepper/pepper_file_io_host.cc
@@ -432,7 +432,7 @@ void PepperFileIOHost::OnLocalFileOpened
     ppapi::host::ReplyMessageContext reply_context,
     const base::FilePath& path,
     base::File::Error error_code) {
-#if defined(OS_WIN) || defined(OS_LINUX)
+#if 0
   // Quarantining a file before its contents are available is only supported on
   // Windows and Linux.
   if (!FileOpenForWrite(open_flags_) || error_code != base::File::FILE_OK) {
@@ -452,7 +452,7 @@ void PepperFileIOHost::OnLocalFileOpened
 #endif
 }
 
-#if defined(OS_WIN) || defined(OS_LINUX)
+#if 0
 void PepperFileIOHost::OnLocalFileQuarantined(
     ppapi::host::ReplyMessageContext reply_context,
     const base::FilePath& path,
--- a/content/browser/renderer_host/pepper/pepper_file_io_host.h
+++ b/content/browser/renderer_host/pepper/pepper_file_io_host.h
@@ -15,7 +15,6 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "components/download/quarantine/quarantine.h"
 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_platform_file.h"
@@ -92,10 +91,6 @@ class PepperFileIOHost : public ppapi::h
                          const base::FilePath& path,
                          base::File::Error error_code);
 
-  void OnLocalFileQuarantined(ppapi::host::ReplyMessageContext reply_context,
-                              const base::FilePath& path,
-                              download::QuarantineFileResult quarantine_result);
-
   void SendFileOpenReply(ppapi::host::ReplyMessageContext reply_context,
                          base::File::Error error_code);
 
--- a/components/download/internal/common/base_file.cc
+++ b/components/download/internal/common/base_file.cc
@@ -22,7 +22,6 @@
 #include "components/download/public/common/download_interrupt_reasons_utils.h"
 #include "components/download/public/common/download_item.h"
 #include "components/download/public/common/download_stats.h"
-#include "components/download/quarantine/quarantine.h"
 #include "crypto/secure_hash.h"
 
 #if defined(OS_ANDROID)
@@ -494,7 +493,7 @@ DownloadInterruptReason BaseFile::Publis
 }
 #endif  // defined(OS_ANDROID)
 
-#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
+#if 0
 
 namespace {
 
@@ -578,7 +577,7 @@ DownloadInterruptReason BaseFile::Annota
   }
   return DOWNLOAD_INTERRUPT_REASON_FILE_FAILED;
 }
-#else  // !OS_WIN && !OS_MACOSX && !OS_LINUX
+#else  // 1
 DownloadInterruptReason BaseFile::AnnotateWithSourceInformation(
     const std::string& client_guid,
     const GURL& source_url,
--- a/components/download/quarantine/quarantine.cc
+++ b/components/download/quarantine/quarantine.cc
@@ -6,8 +6,6 @@
 
 #include "build/build_config.h"
 
-#if !defined(OS_WIN) && !defined(OS_MACOSX)
-
 namespace download {
 
 QuarantineFileResult QuarantineFile(const base::FilePath& file,
@@ -18,5 +16,3 @@ QuarantineFileResult QuarantineFile(cons
 }
 
 }  // namespace download
-
-#endif  // !WIN && !MAC
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -51,7 +51,6 @@ jumbo_source_set("browser") {
     "//components/discardable_memory/service",
     "//components/download/database",
     "//components/download/public/common:public",
-    "//components/download/quarantine",
     "//components/filename_generation",
     "//components/link_header_util",
     "//components/metrics",