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

ios/chrome/common/physical_web/physical_web_device.h

Index: ios/chrome/common/physical_web/physical_web_device.h
diff --git a/ios/chrome/common/physical_web/physical_web_device.h b/ios/chrome/common/physical_web/physical_web_device.h
index 9bbcba852b17adb7f717c4b64e3bde06ce8442bc..14107866780abb40dcb3b8d9dafef4fcf4a4c4be 100644
--- a/ios/chrome/common/physical_web/physical_web_device.h
+++ b/ios/chrome/common/physical_web/physical_web_device.h
@@ -24,19 +24,19 @@
 - (instancetype)init NS_UNAVAILABLE;
 
 // |url| is the expanded URL.
-@property(nonatomic, readonly, retain) NSURL* url;
+@property(nonatomic, readonly, strong) NSURL* url;
 
 // |requestUrl| is the broadcast URL.
-@property(nonatomic, readonly, retain) NSURL* requestURL;
+@property(nonatomic, readonly, strong) NSURL* requestURL;
 
 // |icon| is the URL of the favicon.
-@property(nonatomic, readonly, retain) NSURL* icon;
+@property(nonatomic, readonly, strong) NSURL* icon;
 
 // |title| is the title of the webpage.
-@property(nonatomic, readonly, retain) NSString* title;
+@property(nonatomic, readonly, strong) NSString* title;
 
 // |description| is a short text description of the webpage content.
-@property(nonatomic, readonly, retain) NSString* description;
+@property(nonatomic, readonly, strong) NSString* description;
 
 // |transmitPower| is the UriBeacon Tx Power Level.
 @property(nonatomic, readonly) int transmitPower;
@@ -49,7 +49,7 @@
 @property(nonatomic, readonly) double rank;
 
 // |scanTimestamp| is the time the URL was most recently seen.
-@property(nonatomic, retain) NSDate* scanTimestamp;
+@property(nonatomic, strong) NSDate* scanTimestamp;
 
 @end