[iOS] Upstream physical web classes.

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"
+
+@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_;
+}
+
+@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 {
+  self = [super init];
+  if (self) {
+    url_.reset([url retain]);
+    requestURL_.reset([requestURL retain]);
+    icon_.reset([icon retain]);
+    title_.reset([title copy]);
+    description_.reset([description copy]);
+    transmitPower_ = transmitPower;
+    rssi_ = rssi;
+    rank_ = rank > physical_web::kMaxRank ? physical_web::kMaxRank : rank;
+  }
+  return self;
+}
+
+- (instancetype)init {
+  NOTREACHED();
+  return nil;
+}
+
+- (NSURL*)url {
+  return url_;
+}
+
+- (NSURL*)requestURL {
+  return requestURL_;
+}
+
+- (NSURL*)icon {
+  return icon_;
+}
+
+- (NSString*)title {
+  return title_;
+}
+
+- (NSString*)description {
+  return description_;
+}
+
+@end