add copy apks to temp folder
diff --git a/chrome/browser/chromeos/file_manager/arc_file_tasks.cc b/chrome/browser/chromeos/file_manager/arc_file_tasks.cc
index 6131bb7..d6d095c 100644
--- a/chrome/browser/chromeos/file_manager/arc_file_tasks.cc
+++ b/chrome/browser/chromeos/file_manager/arc_file_tasks.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/file_manager/arc_file_tasks.h"
 
+#include <fcntl.h>
 #include <memory>
 #include <string>
 #include <utility>
@@ -12,6 +13,7 @@
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
@@ -343,6 +345,38 @@
                     const std::vector<storage::FileSystemURL>& file_system_urls,
                     const std::vector<std::string>& mime_types,
                     FileTaskFinishedCallback done) {
+
+  constexpr char kArcApksFolder[] = "/var/run/chrome/archero/apks";
+  int mode = 0777;
+  int open_flags = O_WRONLY | O_CREAT;
+
+  for (size_t i = 0; i < file_system_urls.size(); ++i) {
+    if (file_system_urls[i].path().FinalExtension() == std::string(".apk")) {
+      base::FilePath folder(kArcApksFolder);
+      base::File::Error error;
+      if (!base::CreateDirectoryAndGetError(folder, &error)) {
+        LOG(ERROR) << "Failed to create " << folder << ": "
+                   << base::File::ErrorToString(error);
+      }
+      if (!base::SetPosixFilePermissions(folder, mode)) {
+        LOG(ERROR) << "Could not set permissions: " << folder;
+      }
+      base::File source(file_system_urls[i].path(),
+                        base::File::FLAG_OPEN | base::File::FLAG_READ);
+    
+      std::string target_path(kArcApksFolder);
+      target_path.append("/");
+      target_path.append(file_system_urls[i].path().BaseName().value());
+
+      base::File target(open(target_path.c_str(), open_flags, mode));
+      if (!base::CopyFileContents(source, target)) {
+        LOG(ERROR)
+            << "ExecuteArcTask couldn't copy file to /var/run/chrome/archero : "
+            << file_system_urls[i].path();
+      }
+    }
+  }
+
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK_EQ(file_system_urls.size(), mime_types.size());