Convert Pass()→std::move() in //content/browser

content/browser/download/drag_download_file.cc

Index: content/browser/download/drag_download_file.cc
diff --git a/content/browser/download/drag_download_file.cc b/content/browser/download/drag_download_file.cc
index 3d8c0fcb772b7f8af6da65d0ad6c14b68318dbef..afb533a56bf74dd30e68ba73f3f35185b55f2c4b 100644
--- a/content/browser/download/drag_download_file.cc
+++ b/content/browser/download/drag_download_file.cc
@@ -4,6 +4,8 @@
 
 #include "content/browser/download/drag_download_file.h"
 
+#include <utility>
+
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/location.h"
@@ -70,8 +72,8 @@ class DragDownloadFile::DragDownloadFileUI : public DownloadItem::Observer {
     params->set_callback(base::Bind(&DragDownloadFileUI::OnDownloadStarted,
                                     weak_ptr_factory_.GetWeakPtr()));
     params->set_file_path(file_path);
-    params->set_file(file.Pass());  // Nulls file.
-    download_manager->DownloadUrl(params.Pass());
+    params->set_file(std::move(file));  // Nulls file.
+    download_manager->DownloadUrl(std::move(params));
   }
 
   void Cancel() {
@@ -161,7 +163,7 @@ DragDownloadFile::DragDownloadFile(const base::FilePath& file_path,
                                    const std::string& referrer_encoding,
                                    WebContents* web_contents)
     : file_path_(file_path),
-      file_(file.Pass()),
+      file_(std::move(file)),
       drag_message_loop_(base::MessageLoop::current()),
       state_(INITIALIZED),
       drag_ui_(NULL),