[ObjC ARC] Converts ios/chrome/common/physical_web:physical_web to ARC.Automatically generated AR…

ios/chrome/common/physical_web/physical_web_device.mm

 // Copyright 2015 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.
 
 #import "ios/chrome/common/physical_web/physical_web_device.h"
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsobject.h"
 #include "ios/chrome/common/physical_web/physical_web_types.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 @implementation PhysicalWebDevice {
   base::scoped_nsobject<NSURL> url_;
   base::scoped_nsobject<NSURL> requestURL_;
   base::scoped_nsobject<NSURL> icon_;
   base::scoped_nsobject<NSString> title_;
   base::scoped_nsobject<NSString> description_;
   int rssi_;
   int transmitPower_;
   double rank_;
   base::scoped_nsobject<NSDate> scanTimestamp_;
 }
 
 @synthesize rssi = rssi_;
 @synthesize transmitPower = transmitPower_;
 @synthesize rank = rank_;
 
 - (instancetype)initWithURL:(NSURL*)url
                  requestURL:(NSURL*)requestURL
                        icon:(NSURL*)icon
                       title:(NSString*)title
                 description:(NSString*)description
               transmitPower:(int)transmitPower
                        rssi:(int)rssi
                        rank:(double)rank
               scanTimestamp:(NSDate*)scanTimestamp {
   self = [super init];
   if (self) {
-    url_.reset([url retain]);
-    requestURL_.reset([requestURL retain]);
-    icon_.reset([icon retain]);
+    url_.reset(url);
+    requestURL_.reset(requestURL);
+    icon_.reset(icon);
     title_.reset([title copy]);
     description_.reset([description copy]);
     transmitPower_ = transmitPower;
     rssi_ = rssi;
     rank_ = rank > physical_web::kMaxRank ? physical_web::kMaxRank : rank;
-    scanTimestamp_.reset([scanTimestamp retain]);
+    scanTimestamp_.reset(scanTimestamp);
   }
   return self;
 }
 
 - (instancetype)init {
   NOTREACHED();
   return nil;
 }
 
 - (NSURL*)url {
@@ skipping 14 matching lines @@
 
 - (NSString*)description {
   return description_;
 }
 
 - (NSDate*)scanTimestamp {
   return scanTimestamp_;
 }
 
 - (void)setScanTimestamp:(NSDate*)value {
-  scanTimestamp_.reset([value retain]);
+  scanTimestamp_.reset(value);
 }
 
 @end