Convert Pass()→std::move() in //chrome

chrome/browser/media_galleries/fileapi/safe_audio_video_checker.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media_galleries/fileapi/safe_audio_video_checker.h"
 
 #include <stdint.h>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/process/process_handle.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/utility_process_host.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "ui/base/l10n/l10n_util.h"
 
 SafeAudioVideoChecker::SafeAudioVideoChecker(
     base::File file,
     const storage::CopyOrMoveFileValidator::ResultCallback& callback)
-    : state_(INITIAL_STATE), file_(file.Pass()), callback_(callback) {
+    : state_(INITIAL_STATE), file_(std::move(file)), callback_(callback) {
   DCHECK(!callback.is_null());
 }
 
 void SafeAudioVideoChecker::Start() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   if (state_ != INITIAL_STATE)
     return;
   state_ = PINGED_STATE;
 
   if (!file_.IsValid()) {
@@ skipping 12 matching lines @@
 SafeAudioVideoChecker::~SafeAudioVideoChecker() {}
 
 void SafeAudioVideoChecker::OnProcessStarted() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   if (state_ != PINGED_STATE)
     return;
   state_ = STARTED_STATE;
 
   if (utility_process_host_->GetData().handle == base::kNullProcessHandle)
     DLOG(ERROR) << "Child process handle is null";
-  IPC::PlatformFileForTransit file_for_transit =
-      IPC::TakeFileHandleForProcess(file_.Pass(),
-                                    utility_process_host_->GetData().handle);
+  IPC::PlatformFileForTransit file_for_transit = IPC::TakeFileHandleForProcess(
+      std::move(file_), utility_process_host_->GetData().handle);
   if (file_for_transit == IPC::InvalidPlatformFileForTransit()) {
     OnCheckingFinished(false /* valid? */);
     return;
   }
   const int64_t kFileDecodeTimeInMS = 250;
   utility_process_host_->Send(new ChromeUtilityMsg_CheckMediaFile(
       kFileDecodeTimeInMS, file_for_transit));
 }
 
 void SafeAudioVideoChecker::OnCheckingFinished(bool valid) {
@@ skipping 14 matching lines @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SafeAudioVideoChecker, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ProcessStarted,
         OnProcessStarted)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CheckMediaFile_Finished,
         OnCheckingFinished)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }