Convert Pass()→std::move() for Mac build.

media/capture/video/mac/video_capture_device_mac.mm

 // Copyright (c) 2012 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 "media/capture/video/mac/video_capture_device_mac.h"
 
 #include <IOKit/IOCFPlugIn.h>
 #include <IOKit/usb/IOUSBLib.h>
 #include <IOKit/usb/USBSpec.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/mac/scoped_ioobject.h"
 #include "base/mac/scoped_ioplugininterface.h"
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 346 matching lines @@
     return;
   }
 
   // QTKit API can scale captured frame to any size requested, which would lead
   // to undesired aspect ratio changes. Try to open the camera with a known
   // supported format and let the client crop/pad the captured frames.
   gfx::Size resolution = params.requested_format.frame_size;
   if (!AVFoundationGlue::IsAVFoundationSupported())
     GetBestMatchSupportedResolution(&resolution);
 
-  client_ = client.Pass();
+  client_ = std::move(client);
   if (device_name_.capture_api_type() == Name::AVFOUNDATION)
     LogMessage("Using AVFoundation for device: " + device_name_.name());
   else
     LogMessage("Using QTKit for device: " + device_name_.name());
   NSString* deviceId =
       [NSString stringWithUTF8String:device_name_.id().c_str()];
 
   [capture_device_ setFrameReceiver:this];
 
   if (![capture_device_ setCaptureDevice:deviceId]) {
@@ skipping 193 matching lines @@
   if (![capture_device_ setCaptureHeight:capture_format_.frame_size.height()
                                    width:capture_format_.frame_size.width()
                                frameRate:capture_format_.frame_rate]) {
     ReceiveError(FROM_HERE, "Could not configure capture device.");
     return false;
   }
   return true;
 }
 
 }  // namespace media